Research Explorer

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Researcher

Geert Opsomer

Publications & Research Data

Awards & Distinctions

501 Results

2026

The association between transition management and modelled milk yield in multiparous dairy cows

Matthieu SalamoneMiel HostensE. CanniereT. GoossensV. W. M. van BeestT. van GasterenGeert OpsomerB. AernoutsI. Adriaens

A1 Journal Article in BIOSYSTEMS ENGINEERING

2025

Artificial intelligence outperforms humans in morphology-based oocyte selection in cattle

Annelies RaesDanilo BabinOsvaldo Américo Bogado PascottiniGeert OpsomerAnn Van SoomKatrien Smits

A1 Journal Article in SCIENTIFIC REPORTS

Association of artificial intelligence-predicted milk yield residuals to behavioral patterns and transition success in multiparous dairy cows

Celien KemelMatthieu SalamoneB. AernoutsI. AdriaensGeert OpsomerP. HutMiel Hostens

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Associations of cytological endometritis with insulin resistance and gene expression in adipose tissue of transition dairy cows

Priit KarisH. JaaksonK. LingGeert OpsomerL. SiimonE. ReimannP. ParnJ. J. GrossM. HennoJ. Kurykin et al.

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Blood total calcium concentrations in the fourth week postpartum of dairy cows continue to play a key role in uterine involution

Dawid TobolskiOsvaldo Américo Bogado PascottiniGeert OpsomerAngelika TobolskaWojciech Baranski

A1 Journal Article in THERIOGENOLOGY

Effect of elective cesarean section on the incidence of subclinical endometritis

Lei XieGeert OpsomerP. TemmermanMuhammad Hussnain RashidMehrnaz NiaziQ. DongOsvaldo Américo Bogado Pascottini

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Endometrial thickness as a marker for subclinical endometritis in dairy cows

M. KrupaU. RamilD. TobolskiZ. PolakL. XieM. RashidW. BaranskiGeert OpsomerOsvaldo Américo Bogado Pascottini

Exploring the influence of endometritis diagnostic criteria on uterine involution, milk yield and fertility in dairy cows

Dawid TobolskiM. KrupaZ. PolakO. B. PascottiniGeert OpsomerW. Baranski

A1 Journal Article in BMC VETERINARY RESEARCH

Follicular fluid-derived small extracellular vesicles during individual in vitro maturation improve blastocyst development

Nima AzariDolatabadDavoud EshghichaharborjCamilla BenedettiAndrea Fernández MontoroLei XieFabiola Le Gaffric MoltoSarah E. MooreyAn HendrixGeert OpsomerJo Leroy et al.

A1 Journal Article in FRONTIERS IN VETERINARY SCIENCE

Functional and transcriptomic profiling of bovine circulating neutrophils during in vitro lipopolysaccharide challenge across different energetic states

Lei XieSanjana Malledevarahalli ChandrappaDario Sebastian Gonzalez AnduezaHafez SadeghiPriit KarisMuhammad Hussnain RashidMehrnaz NiaziYuan FanKaixi QiaoQiang Dong et al.

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Impact of birth season on first-lactation reproductive and productive performance in Holstein-Friesian dairy cows

Manon DewulfM. HogervorstGeert Opsomer

Invited review : udder cleft dermatitis in dairy cows

Anne-Sofie VermeerschRichard DucatellePeter GeldhofGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Perspectives in cattle reproduction for the next 20 years : a European context

Osvaldo Américo Bogado PascottiniAlan D. CroweUxia Yanez RamilMiel HostensGeert OpsomerMark A. Crowe

A1 Journal Article in THERIOGENOLOGY

Predicting milk yield to monitor the transition period in high yielding dairy cattle

Matthieu SalamoneBen AernoutsMiel HostensGeert OpsomerInes Adriaens

Shotgun metagenomic composition, microbial interactions and functional insights into the uterine microbiome of postpartum dairy cows with clinical and subclinical endometritis

Muhammad Hussnain RashidOsvaldo Américo Bogado PascottiniLei XieMehrnaz NiaziLeen LietaerUgur ComlekciogluGeert Opsomer

A1 Journal Article in SCIENTIFIC REPORTS

Small beginnings, lasting effects : the role of prenatal environment on dairy heifer performance

Maya MeestersGeert OpsomerMieke Van EetveldeJan Govaere

Telomere length in neonatal dairy calves in relation to lifetime parameters

Manon DewulfLuc DuchateauMaya MeestersDries S. MartensTim S. NawrotMieke Van EetveldeGeert Opsomer

A1 Journal Article in ANIMALS

Telomere length in newborn, 'small-for-gestational-age' dairy calves

Maya MeestersManon DewulfD. S. MartensJan GovaereMieke Van EetveldeGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

The canine vaginal microbiome

Lotte SpanogheAnn Van SoomGuillaume DomainPenelope BanchiFlorin PosastiucGowri Amanda HettiarachchiAdelaide PanattoniSebastiaan TheunsFilip Van ImmerseelGeert Opsomer

Toward standardized methods in canine vaginal microbiome research : evaluation of storage, host DNA depletion, and database selection

Lotte SpanogheGuillaume DomainFlorin PosastiucGowri Amanda HettiarachchiAdelaide PanattoniSebastiaan TheunsFilip Van ImmerseelGeert OpsomerAnn Van SoomPenelope Banchi

A1 Journal Article in MICROBIOLOGY SPECTRUM

Transcriptomic landscape of circulating neutrophils in postpartum dairy cows prior to clinical manifestation of endometritis

Lei XieMuhammad Hussnain RashidD. TobolskiM. KrupaZ. PolakW. BaranskiPriit KarisKaixi QiaoL. XuOsvaldo Américo Bogado Pascottini et al.

2024

An in-depth investigation of the microbiota and its virulence factors associated with severe udder cleft dermatitis lesions

Anne-Sofie VermeerschMohsin AliYannick GansemansFilip Van NieuwerburghRichard DucatellePeter GeldhofDieter DeforceJ. CallensGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Circulating oxidative stress and inflammatory cytokine concentrations in postpartum dairy cattle with clinical endometritis

Sanjana Malledevarahalli ChandrappaOsvaldo Américo Bogado PascottiniGeert OpsomerG. DonatoA. Starvaggi CucuzzaA. Ricci

Effect of type of anticoagulant, transportation time, and glucose in the culture media on neutrophil viability and function test results in dairy cattle

Sanjana Malledevarahalli ChandrappaLei XieDario Sebastian Gonzalez AnduezaHafez SadeghiMuhammad Hussnain RashidMehrnaz NiaziKaixi QiaoQiang DongLeila VincentiAlessandro Ricci et al.

A1 Journal Article in PLOS ONE

Enhancing bovine abortion surveillance : a learning experience

Hans Van LooOsvaldo Américo Bogado PascottiniStefaan RibbensJ. HooyberghsGeert OpsomerBart Pardon

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Longitudinal study on telomere length and lifetime production in dairy heifers

Manon DewulfLuc DuchateauMieke Van EetveldeMaya MeestersGeert Opsomer

Machine learning modeling to predict causes of infectious abortions and perinatal mortalities in cattle

Gonzalo Gabriel Villa CoxH. Van LooStijn SpeelmanS. RibbensJ. HooyberghsBart PardonO. Bogado PascottiniGeert OpsomerOsvaldo Américo Bogado Pascottini

A1 Journal Article in THERIOGENOLOGY

Manual versus deep learning measurements to evaluate cumulus expansion of bovine oocytes and its relationship with embryo development in vitro

Annelies RaesGeorgios AthanasiouNima AzariDolatabadHafez SadeghiDario Sebastian Gonzalez AnduezaJosep Lluis ArcosJesus CerquidesKrishna Chaitanya PavaniGeert OpsomerOsvaldo Américo Bogado Pascottini et al.

A1 Journal Article in COMPUTERS IN BIOLOGY AND MEDICINE

Milk yield residuals and their link with the metabolic status of dairy cows in the transition period

Matthieu SalamoneInes AdriaensArno LiseuneStijn HeirbautXiaoping JingVeerle FievezL. VandaeleGeert OpsomerMiel HostensB. Aernouts

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Multi-omics analysis elucidates the host-microbiome interplay in severe udder cleft dermatitis lesions in dairy cows

Anne-Sophie VermeerschFilip Van NieuwerburghYannick GansemansMohsin AliRichard DucatellePeter GeldhofDieter DeforceJ. CallensGeert Opsomer

A2 Journal Article in JDS COMMUNICATIONS

Penile fibropapilloma in a Belgian Blue breeding bull = Peniel fibropapilloom bij een Belgisch wit-blauwe dekstier

Barbara BeciKirsten ProostJan GovaereGeert OpsomerMaya Meesters

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Progesterone-independent endometrial mRNA expression in dairy cows with clinical or subclinical endometritis

Dawid TobolskiGrzegorz ZwierzchowskiKarolina LukasikDariusz Jan SkarzynskicOsvaldo Américo Bogado PascottiniGeert OpsomerWojciech Baranski

A1 Journal Article in THERIOGENOLOGY

Shortening of the telomere length during the transition period of dairy cows in relation to biological stress

Manon DewulfOsvaldo Américo Bogado PascottiniStijn HeirbautMaya MeestersDries S. MartensTim S. NawrotMingqi ZhangX. P. JingLeen VandaeleVeerle Fievez et al.

A1 Journal Article in SCIENTIFIC REPORTS

Shotgun metagenomic sequencing reveals positive interactions among bacterial pathogens in clinical compared to subclinical endometritis

Muhammad Hussnain RashidOsvaldo Américo Bogado PascottiniLei XieMehrnaz NiaziLeen LietaerU. ComlekciogluGeert Opsomer

Small for gestational age calves : part I concept and definition, contributing prenatal factors and neonatal body morphometrics in Holstein Friesian calves

Maya MeestersMieke Van EetveldeKarel VerdruJan GovaereGeert Opsomer

A1 Journal Article in ANIMALS

Small for gestational age calves : part II reduced fertility, productive performance, and survival in Holstein Friesian heifers born small for their gestational age

Maya MeestersMieke Van EetveldeKarel VerdruJan GovaereGeert Opsomer

A1 Journal Article in Animals

The complex interplay of insulin resistance and metabolic inflammation in transition dairy cows

Kaixi QiaoRenjiao JiangGenaro Andres ContrerasLei XieOsvaldo Américo Bogado PascottiniGeert OpsomerQiang Dong

A1 Journal Article in ANIMALS

The dogma of the sterile uterus revisited : does microbial seeding occur during fetal life in humans and animals?

Penelope BanchiBarbara ColittiGeert OpsomerAda RotaAnn Van Soom

A1 Journal Article in REPRODUCTION

The importance of developmental programming in the dairy industry

Maya MeestersMieke Van EetveldeBarbara BeciGeert Opsomer

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

The in vitro effects of carprofen on lipopolysaccharide-induced neutrophil extracellular trap formation in dairy cows

Jianbo ZhiKaixi QiaoLei XieOsvaldo Américo Bogado PascottiniGeert OpsomerQiang Dong

A1 Journal Article in ANIMALS

Udder cleft-dermatitis

Anne-Sofie VermeerschGeert Opsomer

Editorial material

Uterine microbial ecology and disease in cattle : a review

Ugur ComlekciogluSylwia JezierskaGeert OpsomerOsvaldo Américo Bogado Pascottini

A1 Journal Article in THERIOGENOLOGY

Veterinary telemedicine : position of the Faculty of Veterinary Medicine, Ghent University

Sarne De VliegherAn GarmynDominiek MaesGeert OpsomerGunther van LoonJimmy SaundersSylvie DaminetAnn Martens

Editorial material

2023

Association between cumulus expansion and blastocyst development in bovine in vitro embryo production

Annelies RaesOsvaldo Américo Bogado PascottiniGeert OpsomerAnn Van Soom

Calves born small for gestational age have a reduced first lactation performance

Mieke Van EetveldeMaya MeestersJan GovaereGeert Opsomer

Cathepsin-L secreted by high-quality bovine embryos exerts an embryotrophic effect in vitro

Annelies RaesEline WydoogheKrishna Chaitanya PavaniOsvaldo Américo Bogado PascottiniKatleen Van SteendamMaarten DhaenensAnnekatrien BoelSonia HerasBjörn HeindryckxLuc Peelman et al.

A1 Journal Article in INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES

Circulating and endometrial cell oxidative stress in dairy cows diagnosed with metritis

Sanjana Malledevarahalli ChandrappaOsvaldo Américo Bogado PascottiniGeert OpsomerGiorgia MeineriNicola Antonio MartinoPenelope BanchiLeila VincentiAlessandro Ricci

A1 Journal Article in THERIOGENOLOGY

Dairy calves are exposed to isoflavones during the developmentally most sensitive period of their life

Manon DewulfMieke Van EetveldeWieslaw WiczkowskiGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Detection of Anaplasma phagocytophilum in fetal and placental tissue of bovine abortions and perinatal mortalities

Hans Van LooOsvaldo Américo Bogado PascottiniJozef HooyberghsKoen De BleeckerStefaan RibbensGeert OpsomerBart Pardon

A1 Journal Article in VETERINARY RECORD

Detection of Chlamydia and Chlamydia‐like organisms in bovine placental tissue

Hans Van LooOsvaldo Américo Bogado PascottiniStefaan RibbensJozef HooyberghsMarcella MoriDaisy VanrompayGeert OpsomerBart Pardon

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Epidemiology of bovine infectious abortion and perinatal mortality in Flanders : contribution of Anaplasma phagocytophilum and Chlamydiae

Hans Van LooBart PardonGeert OpsomerOsvaldo Américo Bogado Pascottini

Gebruik van elektrische prikkelaar bij volwassen runderen en varkens

Dominiek MaesGeert OpsomerKurt Houf

Editorial material

Genesis of clinical and subclinical endometritis in dairy cows

Osvaldo Américo Bogado PascottiniStephen J. LeBlancGiovanni GnemiJo LeroyGeert Opsomer

A1 Journal Article in REPRODUCTION

Novel insights in the pathogenesis of bovine digital dermatitis and udder cleft dermatitis

Anne-Sofie VermeerschGeert OpsomerPeter GeldhofRichard Ducatelle

Prenatal environment impacts telomere length in newborn dairy heifers

Maya MeestersMieke Van EetveldeDries S. MartensTim S. NawrotManon DewulfJan GovaereGeert Opsomer

A1 Journal Article in SCIENTIFIC REPORTS

Reduced reproductive performance in calves born small for gestational age

Maya MeestersMieke Van EetveldeJan GovaereGeert Opsomer

Severe udder cleft dermatitis lesion transcriptomics points to an impaired skin barrier, defective wound repair and a dysregulated inflammatory response as key elements in the pathogenesis

Anne-Sofie VermeerschMohsin AliYannick GansemansFilip Van NieuwerburghPeter GeldhofRichard DucatelleDieter DeforceJozefien CallensGeert Opsomer

A1 Journal Article in PLOS ONE

Shotgun metagenomic sequencing to study the uterine microbiota in dairy cows diagnosed with clinical or subclinical endometritis

Muhammad Hussnain RashidOsvaldo Américo Bogado PascottiniLeen LietaerAnne-Sofie VermeerschUgur ComlekciogluGeert Opsomer

A2 Journal Article in ANIMAL - SCIENCE PROCEEDINGS

Stress during the transition period shortens telomere length in dairy cows

Manon DewulfMieke Van Eetveldedr. Stijn HeirbautMaya MeestersDries Martens [missing]Geert Opsomer

Studying the pre-implantation uterine microbiota in cattle using transabdominal laparoscopic low-volume lavage : aiming for zero-contamination

Leen LietaerOsvaldo Américo Bogado PascottiniTim LacoereFrederiek-Maarten KerckhofAnn MartensTom Van de WieleGeert Opsomer

A1 Journal Article in JOURNAL OF MICROBIOLOGICAL METHODS

The analytical method used for metagenomic sequencing influences the differential abundance of microbial species found in healthy or clinical endometritis cows

Muhammad Hussnain RashidOsvaldo Américo Bogado PascottiniAnne-Sofie VermeerschLei XieGeert Opsomer

The anogenital ratio as an indicator of reproductive performance in dairy heifers

Barbara BeciMieke Van EetveldeLouise VanlommelGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

The effect of maternal supply of rumen-protected protein to Holstein Friesian cows during the dry period on the transfer of passive immunity and colostral microbial composition

Ilke Van HeseK. GoossensLeen VandaeleBart AmpeAnnelies HaegemanGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

The microbial composition of bovine colostrum and its relation to the passive transfer of immunity

Ilke Van HeseGeert OpsomerKaren Goossens

Viability and function dynamics of circulating versus endometrial polymorphonuclear leukocytes in postpartum dairy cows with subclinical or clinical endometritis

Leen LietaerOsvaldo Américo Bogado PascottiniStijn HeirbautKristel DemeyereLeen VandaeleEvelyne MeyerVeerle FievezJo LeroyGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

2022

Birth season and dam parity affect the anogenital ratio in dairy heifers

Mieke Van EetveldeBarbara BeciLouise VanlommelA. VannesteGeert Opsomer

Can unsupervised learning methods applied to milk recording big data provide new insights into dairy cow health?

S. FranceschiniJ. LebloisN. GenglerH. SoyeurtM. CroweN. MeLoughlinA. FaheyF. CarterE. MatthewsA. Santoro et al.

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Circulating and endometrial polymorphonuclear leukocyte function dynamics in postpartum dairy cows with subclinical or clinical endometritis

Osvaldo Américo Bogado PascottiniLeen Lietaerdr. Stijn HeirbautKristel DemeyereLeen VandaeleEvelyne MeyerVeerle FievezJo LeroyGeert Opsomer

Continuous activation of the IL-17F driven inflammatory pathway in acute and chronic digital dermatitis lesions in dairy cattle

Anne-Sofie VermeerschPeter GeldhofRichard DucatelleYannick GansemansFilip Van NieuwerburghDieter DeforceGeert Opsomer

A1 Journal Article in SCIENTIFIC REPORTS

Exploring the microbial composition of Holstein Friesian and Belgian Blue colostrum in relation to the transfer of passive immunity

Ilke Van HeseK. GoossensB. AmpeA. HaegemanGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Heat stress as a potential risk factor for the birth of small for gestational age dairy calves

Maya MeestersMieke Van EetveldeJan GovaereGeert Opsomer

Hydrops amnion in a Belgian blue cow combined with prolonged gestation and anencephaly of the calf

Celien KemelMarjolein BrackKarel SchroyenBarbara BeciGeert Opsomer

A2 Journal Article in VETERINARY RECORD CASE REPORTS

In vitro production of neutrophils extracellular traps is affected by the lactational stage of dairy cows

Lei XieOsvaldo Américo Bogado PascottiniJianbo ZhiHongzhen YangGeert OpsomerQiang Dong

A1 Journal Article in ANIMALS

In vitro production of neutrophils extracellular traps is affected by the lactational stage of dairy cows.

Lei XieOsvaldo Américo Bogado PascottiniJ. ZhiH. YangGeert OpsomerQ. Dong

Lycopene supplementation to serum-free embryo culture medium and its effect on development and quality of bovine blastocysts produced in vitro

Sebastian Gonzalez AnduezaNima AzaridolatabadCamilla BenedettiAndrea Fernandez MontoroDaniel Angel VelezHafez SadeghiSanjana Malledevarahalli ChandrappaGeert OpsomerAnn Van SoomOsvaldo Américo Bogado Pascottini

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Maladaptation to the transition period and consequences on fertility of dairy cows

Osvaldo Américo Bogado PascottiniJo LeroyGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Monitoring and treatment of ketosis in dairy cows : update

Celien KemelGeert Opsomer

Editorial material

Novel insights about uterine innate immune function and microbiota in cattle

Leen LietaerGeert OpsomerTom Van de WieleAnn Van SoomOsvaldo Américo Bogado Pascottini

Prediction of first test day milk yield using historical records in dairy cows

Matthieu SalamoneI. AdriaensAndy VervaetGeert OpsomerH. AtashiVeerle FievezB. AernoutsMiel Hostens

A1 Journal Article in ANIMAL

Quantitative and functional dynamics of circulating and endometrial polymorphonuclear leukocytes in healthy peripartum dairy cows

Leen LietaerOsvaldo Américo Bogado Pascottinidr. Stijn HeirbautKristel DemeyereLeen VandaeleEvelyne MeyerVeerle FievezGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

The anogenital ratio as an indicator of reproductive performance in dairy heifers

Barbara BeciMieke Van EetveldeLouise VanlommelGeert Opsomer

The effect of season of birth on the morphometrics of newborn Belgian Blue calves

Habib Syaiful Arif TuskaGretania ResidiwatiMieke Van EetveldeKarel VerdruMaya MeestersBudiono BudionoOsvaldo Américo Bogado PascottiniAnn Van SoomGeert Opsomer

A1 Journal Article in TROPICAL ANIMAL HEALTH AND PRODUCTION

Unaffected semen quality parameters in Neospora caninum seropositive Belgian Blue bulls

Celien KemelMatthieu SalamoneHans Van LooC. LatourS. VandeputteJ. CallensMiel HostensGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Uterine microbiota in postpartum dairy cows suffering from purulent vaginal discharge and clinical endometritis prior and following local antibiotic treatment

S. Malledevarahalli ChandrappaOsvaldo Américo Bogado PascottiniGeert OpsomerE. GregoP. BanchilL. VincentiA. Ricci

Validation of a deep learning-based image analysis system to diagnose subclinical endometritis in dairy cows

Hafez SadeghiHannah-Sophie BraunBerner PantiGeert OpsomerOsvaldo Américo Bogado Pascottini

A1 Journal Article in PLOS ONE

2021

Dynamics of uterine polymorphonuclear leukocytes in healthy postpartum dairy cows

Leen LietaerGeert Opsomerdr. Stijn HeirbautKristel DemeyereLeen VandaeleVeerle FievezEvelyne MeyerOsvaldo Américo Bogado Pascottini

Effect of lycopene supplementation to bovine oocytes exposed to heat shock during in vitro maturation

Gretania ResidiwatiNima AzariDolatabadHabib Syaiful Arif TuskaShehu SidiPetra Van DammeCamilla BenedettiAndrea Fernández MontoroNúria Llamas LucenoBudiono BudionoKrishna Chaitanya Pavani et al.

A1 Journal Article in THERIOGENOLOGY

Effect of overconditioning on the hepatic global gene expression pattern of dairy cows at the end of pregnancy

Osvaldo Américo Bogado PascottiniJenne De KosterFilip Van NieuwerburghMario Van PouckeLuc PeelmanVeerle FievezJ. L. M. R. LeroyGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Effects of dietary starch content and body condition score at calving on reproductive parameters in Holstein dairy cows

Mohammad Ali SirjaniHamid AmanlouHamidreza Mirzaei-AlamoutiMohammad Hossein ShahirJahanbakhsh HasanlouGeert Opsomer

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Effects of heat stress conditions on Belgian Blue cattle fertility : warming up for future challenges

Gretania ResidiwatiAnn Van SoomGeert OpsomerOsvaldo Américo Bogado Pascottini

Factors influencing the birth of small for gestational age Holstein Friesian calves

Mieke Van EetveldeMaya MeestersGeert Opsomer

Flow cytometric assessment of the viability and functionality of uterine polymorphonuclear leukocytes in postpartum dairy cows

Leen LietaerKristel Demeyeredr. Stijn HeirbautEvelyne MeyerGeert OpsomerOsvaldo Américo Bogado Pascottini

A1 Journal Article in ANIMALS

Flow cytometric assessment of viability and functionality of uterine polymorphonuclear leukocytes in postpartum dairy cows

Leen LietaerKristel Demeyeredr. Stijn HeirbautEvelyne MeyerGeert OpsomerOsvaldo Américo Bogado Pascottini

Indications for intrauterine 'head sparing' in calves born small for gestation age.

Maya MeestersMieke Van EetveldeGeert Opsomer

Low microbial biomass within the reproductive tract of mid-lactation dairy cows : a study approach

Leen LietaerOsvaldo Américo Bogado PascottiniEmma Hernandez-SanabriaFrederiek-Maarten KerckhofTim LacoereNico BoonLieven VlaminckGeert OpsomerTom Van de Wiele

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Neutrophil extracellular traps in cattle health and disease

Lei XieYixiong MaGeert OpsomerOsvaldo Américo Bogado PascottiniYandong GuanQiang Dong

A1 Journal Article in RESEARCH IN VETERINARY SCIENCE

Researching 100 t cows : an innovative approach to identify intrinsic cows factors associated with a high lifetime milk production

Mieke Van EetveldeKarel VerdruG. de JongM. L. van PeltMaya MeestersGeert Opsomer

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

The composition of the microbiota in the full-term fetal gut and amniotic fluid : a bovine cesarean section study

Aleksi HussoLeen LietaerTiina Pessa-MorikawaThomas GrönthalJan GovaereAnn Van SoomAntti IivanainenGeert OpsomerMikael Niku

A1 Journal Article in FRONTIERS IN MICROBIOLOGY

The impact of elective caesarean section on colostrum characteristics in double-muscled Belgian Blue cows

Habib Syaiful Arif TuskaGretania ResidiwatiKarel VerdruAnnelies RaesMaya MeestersRani SixDavide SantoroBudiono BudionoOsvaldo Américo Bogado PascottiniAnn Van Soom et al.

A1 Journal Article in THERIOGENOLOGY

Treatment protocols and management of retained fetal membranes in cattle by rural practitioners in Belgium

Justine EppeThomas LowieGeert OpsomerDr. Giles Hanley-CookMaya MeestersPhilippe Bossaert

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

2020

A genome-wide association study for calving interval in Holstein dairy cows using weighted single-step genomic BLUP approach

Hadi AtashiMazdak SalavatiJenne De KosterMark A. CroweGeert OpsomerMiel Hostens[missing] The GplusE Consortium

A1 Journal Article in ANIMALS

A large-scale study on the effect of age at first calving, dam parity, and birth and calving month on first-lactation milk yield in Holstein Friesian dairy cattle

Mieke Van EetveldeG. de JongKarel VerdruM. L. van PeltMaya MeestersGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Antimicrobial use in the uncomplicated cesarean section in cattle in Flanders = Antibioticumgebruik bij de niet-gecompliceerde keizersnede bij het rund in Vlaanderen

Eva De CoenselSteven SarrazinGeert OpsomerJeroen Dewulf

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Assessment of associations between transition diseases and reproductive performance of dairy cows using survival analysis and decision tree algorithms

Osvaldo Américo Bogado PascottiniM. ProboS. J. LeBlancGeert OpsomerMiel Hostens

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Between- and within-herd variation in blood and milk biomarkers in Holstein cows in early lactation

M. A. KroghMiel HostensM. SalavatiC. GreletM. T. SorensenD. C. WathesC. P. FerrisC. MarchitelliF. SignorelliF. Napolitano et al.

A1 Journal Article in ANIMAL

Crossbreeding effect of double-muscled cattle on in vitro embryo development and quality

Gretania ResidiwatiHabib S A TuskaNima AzaridolatabadShehu SidiPetra Van DammeKrishna C PavaniOsvaldo Américo Bogado PascottiniGeert OpsomerAnn Van Soom

A1 Journal Article in REPRODUCTIVE BIOLOGY

Expert-based development of a generic HACCP-based risk management system to prevent critical negative energy balance in dairy herds

Tine RousingJanne Rothmann HolmMogens Agerbo KroghSoren OstergaardMark CroweNiamh McLoughlinAlan FaheyFiona CarterElizabeth MatthewsAndreia Santoro et al.

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Genome-wide association for metabolic clusters in early -lactation Holstein dairy cows

Hadi AtashiM. SalavatiJenne De KosterM. A. CroweGeert OpsomerMiel Hostens

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Genome-wide association for milk production and lactation curve parameters in Holstein dairy cows

Hadi AtashiMazdak SalavatiJenne De KosterJim EhrlichMark CroweGeert OpsomerNiamh McLoughlinAlan FaheyElizabeth MatthewsAndreia Santoro et al.

A1 Journal Article in JOURNAL OF ANIMAL BREEDING AND GENETICS

Invited review : microRNAs in bovine colostrum : focus on their origin and potential health benefits for the calf

Ilke Van HeseK. GoossensLeen VandaeleGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Metabolic stress in the transition period of dairy cows : focusing on the prepartum period

Osvaldo Américo Bogado PascottiniJo LeroyGeert Opsomer

A1 Journal Article in ANIMALS

Modification of the standard 7-day Ovsynch protocol to increase the luteolytic and synchronization risks in dairy cows

Branko AtanasovNikola AdamovIrena CeleskaKsenija IlievskaBranko AngjelovskiZvonko TrbogazovFilip DavkovToni DovenskiGeert OpsomerJeffrey Stevenson

A2 Journal Article in MACEDONIAN VETERINARY REVIEW

Potential of milk mid-infrared spectra to predict nitrogen use efficiency of individual dairy cows in early lactation

C. GreletE. FroidmontL. FoldagerM. SalavatiMiel HostensC. P. FerrisK. L. IngvartsenM. A. CroweM. T. SorensenJ. A. Fernandez Pierna et al.

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Practical methods to assess the effects of heat stress on the quality of frozen-thawed Belgian Blue semen in field conditions

Gretania ResidiwatiHabib Syaiful Arif TuskaBudiono BudionoGiulia Kiyomi Vechiato KawaiAfshin Seifi-JamadiDavide SantoroBart LeemansChristophe BoccartOsvaldo Américo Bogado PascottiniGeert Opsomer et al.

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

Prenatal programming of later performance in dairy cattle = Prenatale programmering van latere prestaties bij melkvee

Mieke Van EetveldeGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

The impact of the prenatal environment on later performance in dairy cattle

Mieke Van EetveldeGeert OpsomerAnn Van Soom

The potential interaction between body condition score at calving and dietary starch content on productive and reproductive performance of early-lactating dairy cows

M. A. SirjaniH. AmanlouH. Mirzaei-AlamoutiM. H. ShahirE. MahjoubiJ. HasanlouM. VazirigoharGeert Opsomer

A1 Journal Article in ANIMAL

2019

Digital dermatitis in cattle, part I : factors contributing to the development of digital dermatitis

Anne-Sofie VermeerschGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Digital dermatitis in cattle, part II : treatment, prevention and link with other treponemal diseases

Anne-Sofie VermeerschGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Gammaherpesvirus BoHV-4 infects bovine respiratory epithelial cells mainly at the basolateral side

Bo YangJiexiong XieJolien Van CleemputRuifang WeiGeert OpsomerHans Nauwynck

A1 Journal Article in VETERINARY RESEARCH

Macroscopic evaluation of the placenta of the alpaca (Vicugna pacos)

Maya MeestersGeert OpsomerJan Govaere

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Potential of milk mid-IR spectra to predict metabolic status of cows through blood components and an innovative clustering approach

C GreletA VanlierdeMiel HostensL FoldagerM SalavatiKL IngvartsenM CroweMT SorensenE FroidmontCP Ferris et al.

A1 Journal Article in ANIMAL

Prediction of metabolic clusters in early-lactation dairy cows using models based on milk biomarkers

Jenne De KosterM SalavatiC GreletMA CroweE MatthewsR O'FlahertyGeert OpsomerL FoldagerMiel Hostensthe GplusE consortium et al.

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Preliminary insights on the regional distribution of bacterial communities along the bovine reproductive tract

Leen LietaerEmma Hernandez SanabriaMiel HostensLieven VlaminckAnn Van SoomTom Van de WieleGeert Opsomer

Presence of gammaherpesvirus BoHV-4 in endometrial cytology samples is not associated with subclinical endometritis diagnosed at artificial insemination in dairy cows

Bo YangOsvaldo Américo Bogado PascottiniJiexiong XieLowiese DesmaretsTingting CuiGeert OpsomerHans Nauwynck

A1 Journal Article in VETERINARY MICROBIOLOGY

Prevalence of retained fetal membranes after elective cesarean section in Belgian Blue cattle

Maya MeestersMieke Van EetveldeGeert OpsomerJan Govaere

Replication characteristics of BoHV-4 in respiratory and genital mucosae and lack of association with subclinical endometritis

Bo YangHans NauwynckGeert Opsomer

Serum biochemical profile in Holstein Friesian and Belgian blue calves in the first 48 hours of life

Monica ProboAlessia GiordanoPierangelo MorettiGeert OpsomerLeo FiemsSaverio PaltrinieriMaria Cristina Veronesi

A1 Journal Article in ITALIAN JOURNAL OF ANIMAL SCIENCE

2018

Association between metabolic diseases and the culling risk of high-yielding dairy cows in a transition management facility using survival and decision tree analysis

M ProboOsvaldo Américo Bogado PascottiniS LeBlancGeert OpsomerMiel Hostens

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Cytological endometritis diagnosed at artificial insemination in repeat breeder dairy cows

Osvaldo Américo Bogado PascottiniMiel HostensGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Effects of overconditioning on pancreatic insulin secretory capacity, fat infiltration, and the number and size of islets in dairy cows at the end of the dry period

Hannes BogaertJenne De KosterWim Van Den BroeckMieke Van EetveldeGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Holding immature bovine oocytes in a commercial embryo holding medium : high developmental competence for up to 10 h at room temperature

Osvaldo Américo Bogado PascottiniMaaike CatteeuwAnn Van SoomGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Influence of adipocyte size and adipose depot on the number of adipose tissue macrophages and the expression of adipokines in dairy cows at the end of pregnancy

Elke DepreesterJenne De KosterMario Van PouckeMiel HostensWim Van Den BroeckLuc PeelmanGA ContrerasGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Interpretation and visualisation of data from dairy herds

Kristof HermansGeert OpsomerWillem WaegemanSander MoermanJenne De KosterMieke Van EetveldeBonifacius Van RanstMiel Hostens

A1 Journal Article in IN PRACTICE

Macroscopic evaluation of the placenta of the alpaca (Vicugna pacos)

Cyrillus VerversMaya MeestersJan GovaereGeert Opsomer

Metabolic clustering of dairy cows at early and peak lactation

Jenne De KosterGeert OpsomerMiel Hostens

Post-operative complications after elective caesarean sections in Belgian Blue cattle, performed in a clinical setting.

Maya MeestersKristof HermansGeert OpsomerJan Govaere

Prediction of parturition in Belgian Blue cattle based on rectal temperature or the lunar phase

Maya MeestersJan GovaereGeert Opsomer

Reproductive management in dairy cows : the future

Mark A CroweMiel HostensGeert Opsomer

A1 Journal Article in IRISH VETERINARY JOURNAL

Season of birth affects performance in cattle

Mieke Van EetveldeKarel VerdruGeert Opsomer

2017

Cytological endometritis at artificial insemination in dairy cows : prevalence and effect on pregnancy outcome

Osvaldo Américo Bogado PascottiniMiel HostensPaul SysPeter VercauterenGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Environmental and maternal factors associated with gross placental morphology in dairy cattle

Md. Mostofa KamalMieke Van EetveldeL VandaeleGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Epidemiological evidence for metabolic programming in dairy cattle

Geert OpsomerMieke Van EetveldeMd. Mostofa KamalAnn Van Soom

A1 Journal Article in REPRODUCTION FERTILITY AND DEVELOPMENT

Evidence for metabolic programming in dairy cattle based on field data

Md. Mostofa KamalGeert OpsomerAnn Van Soom

Flow cytometric assessment of myeloperoxidase in bovine blood neutrophils and monocytes

Elke DepreesterEvelyne MeyerKristel DemeyereMieke Van EetveldeMiel HostensGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Innovative look at dairy heifer rearing : effect of prenatal and post-natal environment on later performance

Mieke Van EetveldeGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Novel approaches to assess the quality of fertility data stored in dairy herd management software

Kristof HermansWillem WaegemanGeert OpsomerBonifacius Van RanstJenne De KosterMieke Van EetveldeMiel Hostens

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Primary replication and invasion of the bovine gammaherpesvirus BoHV-4 in the genital mucosae

Bo YangYewei LiOsvaldo Américo Bogado PascottiniJiexiong XieRuifang WeiGeert OpsomerHans Nauwynck

A1 Journal Article in VETERINARY RESEARCH

Relationship between serum adiponectin concentration, body condition score, and peripheral tissue insulin response of dairy cows during the dry period

Jenne De KosterC UrhMiel HostensWim Van Den BroeckH SauerweinGeert Opsomer

A1 Journal Article in DOMESTIC ANIMAL ENDOCRINOLOGY

Risk factors associated with cytological endometritis diagnosed at artificial insemination in dairy cows

Osvaldo Américo Bogado PascottiniMiel HostensP SysP VercauterenGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Season of birth is associated with first-lactation milk yield in Holstein Friesian cattle

Mieke Van EetveldeMd. Mostofa KamalLeen VandaeleGeert Opsomer

A1 Journal Article in ANIMAL

Short communication: Limitations of glucose tolerance tests in the assessment of peripheral tissue insulin sensitivity during pregnancy and lactation in dairy heifers

Jenne De KosterMieke Van EetveldeKristof HermansWim Van Den BroeckMiel HostensGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

The importance of the periconception period : immediate effects in cattle breeding and in assisted reproduction such as artificial insemination and embryo transfer

Mieke Van EetveldeSonia Heras GarciaJLMR LeroyAnn Van SoomGeert Opsomer

Bookchapter in Periconception in physiology and medicine

2016

'Thunder Measure Vet Device' : een praktische en objectieve methode om de lichaamsconditie van melkvee te schatten

T DewaeleMieke Van EetveldeG VertentenGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Bovi-Analytics : a platform to educate veterinary students Big Data in dairy cows : an initiative to create the veterinary stethoscope version 3.0?

Miel HostensKristof HermansJenne De KosterMieke Van EetveldeElke DepreesterHannes BogaertBonifacius Van RanstM CroweGeert Opsomer

Comparison between cytology and histopathology to evaluate subclinical endometritis in dairy cows

Osvaldo Américo Bogado PascottiniMiel HostensPouya DiniJan VandepitteRichard DucatelleGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Comparison of PUFA profiles in the blood and in follicular fluid and its association with follicular dynamics after PGF2α induced luteolysis in dairy cows

Branko AtanasovMiel HostensZehra Hajrulai-MusliuRisto UzunovNikola AdamovFilip DavkovRomel VelevGeert OpsomerToni Dovenski

A2 Journal Article in MACEDONIAN VETERINARY REVIEW

Diagnose en behandeling van ketose

Jenne De KosterGeert Opsomer

Editorial material

Distribution of inflammation and association between active and chronic alterations within the endometrium of dairy cows

Osvaldo Américo Bogado PascottiniMiel HostensPouya DiniJan VandepitteRichard DucatelleGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Effect of antimicrobial consumption and production type on antibacterial resistance in the bovine respiratory and digestive tract

Boudewijn CatryJeroen DewulfDominiek MaesBart PardonBenedicte CallensMia VanrobaeysGeert OpsomerAart de KruifFreddy Haesebrouck

A1 Journal Article in PLOS ONE

Environmental and cow-related factors affect cow locomotion and can cause misclassification in lameness detection systems

A Van NuffelT Van De GuchtW SaeysBart SonckGeert OpsomerJ VangeyteK MertensB De KetelaereS Van Weyenberg

A1 Journal Article in ANIMAL

Evidence for placental compensation in cattle

Mieke Van EetveldeMd. Mostofa KamalMiel HostensLeen VandaeleLO FiemsGeert Opsomer

A1 Journal Article in ANIMAL

Influence of adipocyte size and adipose depot on the in vitro lipolytic activity and insulin sensitivity of adipose tissue in dairy cows at the end of the dry period

Jenne De KosterWim Van Den BroeckLars HulpioEline ClaeysMieke Van EetveldeKristof HermansMiel HostensVeerle FievezGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Influence of body condition score of dairy cows at the end of pregnancy on peripheral tissue insulin response and metabolic properties of adipose tissue

Jenne De KosterGeert OpsomerWim Van Den BroeckMiel Hostens

Maternal colostral leukocytes appear to enhance cell-mediated recall response, but inhibit humoral recall response in prime-boost vaccinated calves

Vanessa MeganckGeert OpsomerSofie PiepersEric CoxBruno Goddeeris

A1 Journal Article in JOURNAL OF REPRODUCTIVE IMMUNOLOGY

Plasma cortisol concentrations in Holstein Friesian and Belgian Blue newborn calves born by different types of delivery

M ProboT PericM MontilloGeert OpsomerL FiemsMC Veronesi

Postpartum uterine diseases in dairy cows : a review with emphasis on subclinical endometritis

Osvaldo Américo Bogado PascottiniGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Prevalence and effect of subclinical endometritis on the pregnancy outcome of nulliparous dairy heifers

Osvaldo Américo Bogado PascottiniMiel HostensPouya DiniMieke Van EetveldeP VercauterenGeert Opsomer

Prevalence of cytological endometritis and effect on pregnancy outcomes at the time of insemination in nulliparous dairy heifers

Osvaldo Américo Bogado PascottiniMiel HostensPouya DiniMieke Van EetveldePeter VercauterenGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Subclinical endometritis in dairy cattle : a practical approach

Osvaldo Américo Bogado PascottiniGeert OpsomerRichard Ducatelle

Validation of different measures of insulin sensitivity of glucose metabolism in dairy cows using the hyperinsulinemic euglycemic clamp test as the gold standard

Jenne De KosterMiel HostensKristof HermansWim Van Den BroeckGeert Opsomer

A1 Journal Article in DOMESTIC ANIMAL ENDOCRINOLOGY

2015

A novel cytologic sampling technique to diagnose subclinical endometritis and comparison of staining methods for endometrial cytology samples in dairy

Osvaldo Américo Bogado PascottiniPouya DiniMiel HostensRichard DucatelleGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Cytotape: a novel technique to diagnose subclinical endometritis in dairy cows

Osvaldo Américo Bogado PascottiniPouya DiniMiel HostensGeert Opsomer

Effect of uterine lavage on neutrophil counts in postpartum dairy cows

Pouya DiniM FarhoodiMiel HostensMieke Van EetveldeO Bogado PascottiniMH FazeliGeert Opsomer

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

Effect of β-hydroxybutyric acid, parity, and body condition score on phenotype and proliferative capacity of colostral mononuclear leukocytes of high-yielding dairy cows

Vanessa MeganckBruno GoddeerisS De CampeneereMiel HostensMieke Van EetveldeSofie PiepersEric CoxGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Environmental factors and dam characteristics associated with insulin sensitivity and insulin secretion in newborn Holstein calves

Md. Mostofa KamalMieke Van EetveldeHannes BogaertMiel HostensLeen VandaeleM ShamsuddinGeert Opsomer

A1 Journal Article in ANIMAL

Evaluation of a protocol to reduce the incidence of neonatal calf diarrhoea on dairy herds

Vanessa MeganckGeert HoflackSofie PiepersGeert Opsomer

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Follicular dynamics following induced luteolysis and transvaginal ultrasound-guided aspiration of the largest follicle in dairy cows

Branko AtanasovMiel HostensIrena CeleskaKsenija IlieskaGeert OpsomerToni Dovenski

A1 Journal Article in VETERINARSKI ARHIV

Het effect van het toedienen van een orale elektrolytenoplossing op de zuur-basebalans en vitaliteit van pasgeboren Belgisch witblauwe kalveren

Justine HuygheVanessa MeganckMieke Van EetveldeGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Insulin response of the glucose and fatty acid metabolism in dry dairy cows across a range of body condition scores

Jenne De KosterMiel HostensMieke Van EetveldeKristof HermansSander MoermanHannes BogaertElke DepreesterWim Van Den BroeckGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Interaction between metabolic challenges and productivity in high yielding dairy cows

A1 Journal Article in JAPANESE JOURNAL OF VETERINARY RESEARCH

Linoleic and linolenic fatty acid content in the blood and/or in the follicular fluid are associated with follicular dynamics after PGF(2 alpha) induced luteolysis

Branko AtanasovMiel HostensZ Hajrulai-MusliuR UzunovI EsmerovGeert OpsomerT Dovenski

Neonatal diarrhea in dairy calves and the relevance of colostral leukocytes

Vanessa MeganckGeert OpsomerBruno GoddeerisEric CoxSofie Piepers

Pathways of the dominant follicle after exposure to sub-luteal circulating progesterone concentrations are different in lactating dairy cows versus non-lactating heifers

Branko AtanasovJenne De KosterLydia BommeléT DovenskiGeert Opsomer

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

2014

A field study to unravel factors that are significantly associated with the secretory activity of the corpus luteum during the first three postpartum cycles in high yielding dairy cows, based on the amount of steroidogenic and endothelial cells present in the luteal tissue

Steven CoolsWim Van Den BroeckPhilippe BossaertMiel HostensGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

A study about the corpus luteum activity in high yielding dairy cows postpartum

Steven CoolsGeert OpsomerWim Van Den Broeck

Advances in prevention and therapy of neonatal dairy calf diarrhoea : a systematical review with emphasis on colostrum management and fluid therapy

Vanessa MeganckGeert HoflackGeert Opsomer

A1 Journal Article in ACTA VETERINARIA SCANDINAVICA

Age at calving in heifers and level of milk production during gestation in cows are associated with the birth size of Holstein calves

Md. Mostofa KamalMieke Van EetveldeElke DepreesterMiel HostensL VandaeleGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Challenges in the control of bovine viral diarrhoea virus : implications for a Belgian eradication programme

Jozef LaureynsSarne De VliegherJeroen DewulfGeert Opsomer

Development of a method for isolating bovine colostrum mononuclear leukocytes for phenotyping and functional studies

Vanessa MeganckBruno GoddeerisEdith StuyvenSofie PiepersEric CoxGeert Opsomer

A1 Journal Article in VETERINARY JOURNAL

Effect of overconditioning on the functioning of the endocrine pancreas in dairy cows

Hannes BogaertJenne De KosterWim Van Den BroeckGeert Opsomer

Effect of overconditioning on the histology of the endocrine pancreas in dairy cows

Hannes BogaertJenne De KosterWim Van Den BroeckGeert Opsomer

Factors associated with increased perinatal mortality in beef and dairy calves

Mieke Van EetveldeGeert Opsomer

Feeding soybean meal increases the blood level of isoflavones and reduces the steroidogenic capacity in bovine corpora lutea, without affecting peripheral progesterone concentrations

Steven CoolsWim Van Den BroeckLynn VanhaeckeArne HeyerickPhilippe BossaertMiel HostensGeert Opsomer

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

In vitro insulin sensitivity of subcutaneous and omental adipocytes of precalving dairy cows across a range of BCS

Jenne De KosterLars HulpioVeerle FievezWim Van Den BroeckGeert Opsomer

Insulin sensitivity of the lipid metabolism of precalving dairy cows across a range of body condition scores

Jenne De KosterGeert Opsomer

Maternale en omgevingsfactoren die significant geassocieerd zijn met het geboortegewicht van holsteinkalveren

Elke DepreesterMd. Mostofa KamalMieke Van EetveldeMiel HostensGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

New insights in the causes of and treatments for repeat breeder cows

Non-invasive indicators associated with the milk yield response after anthelmintic treatment at calving in dairy cows

Sien VerschaveJozef VercruysseAndrew ForbesGeert OpsomerMiel HostensLuc DuchateauJohannes Charlier

A1 Journal Article in BMC VETERINARY RESEARCH

2013

Animal welfare, consumer acceptance and breeding protocols

Basal lipolytic activity of subcutaneous and omental adipose tissue of precalving dairy cows with different body condition score

Jenne De KosterLars HulpioWim Van Den BroeckGeert Opsomer

Comparative efficacy of the synchrony programmes in subestrus crossbred cows at smallholder farms in Bangladesh

Md. Mostofa KamalGeert OpsomerNasreen ParveenHarry W MomontMohammed Shamsuddin

A1 Journal Article in JOURNAL OF APPLIED ANIMAL RESEARCH

Consensus conference on breeding protocols

Digital dermatitis in cattle is associated with an excessive innate immune response triggered by the keratinocytes

Walid RefaaiRichard DucatellePeter GeldhofBelgacem MihiMahasen El-shairGeert Opsomer

A1 Journal Article in BMC VETERINARY RESEARCH

Effect of body condition score on insulin sensitivity of precalving dairy cows

Jenne De KosterGeert Opsomer

Exploration of measurement variation of gait variables for early lameness detection in cattle using the GAITWISE

A Van NuffelJ VangeyteKC MertensLiesbet PluymS De CampeneereW SaeysGeert OpsomerS Van Weyenberg

A1 Journal Article in LIVESTOCK SCIENCE

Foetal programming of the pancreatic β cells of near term dairy calves

Jenne De KosterMieke Van EetveldeHannes BogaertGeert Opsomer

HACCP approaches for fertility management in livestock

Geert OpsomerKristof HermansBonifacius Van RanstMiel Hostens

Infectious diseases causing lameness in cattle with a main emphasis on digital dermatitis (Mortellaro disease)

Walid RefaaiMarcel Van AertAM Abd El-AalAE BeheryGeert Opsomer

A1 Journal Article in LIVESTOCK SCIENCE

Insulin resistance in dairy cows

Jenne De KosterGeert Opsomer

A1 Journal Article in VETERINARY CLINICS OF NORTH AMERICA-FOOD ANIMAL PRACTICE

Lameness and claw lesions in sows, cows and small ruminants: preface

Dominiek MaesGeert Opsomer

Editorial material

Milk fat saturation and reproductive performance in dairy cattle

Miel HostensVeerle FievezJLMR LeroyEJ van de BurgwalBonifacius Van RanstBruno VlaeminckGeert Opsomer

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

The bovine luteal histological composition: a topographic point of view

Steven CoolsWim Van Den BroeckSarne De VliegherSofie PiepersGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Topographic distribution of the different cell types, connective tissue and vascular tissue/lumina within a functional bovine corpus luteum and its association with breed, type of fixation protocol and stage during the cycle

Steven CoolsWim Van Den BroeckSarne De VliegherSofie PiepersMiel HostensGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

2012

Are modern dairy cows suffering from modern diseases?

Jenne De KosterGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Enkele kritische punten bij de huisvesting van melkvee

Ilse DeclerckS Van GansbekeGeert OpsomerSarne De VliegherAart de KruifDominiek Maes

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Health and fertility challenges in high yielding dairy cows during the transition period : and the use of dietary fatty acids as an optimization strategy

Miel HostensGeert OpsomerVeerle FievezJLMR Leroy

Het belang van een degelijk colostrummanagement op moderne rundveebedrijven

Vanessa MeganckJozef LaureynsGeert Opsomer

Editorial material

Influence of a marine algae supplementation on the oxidative status of plasma in dairy cows during the periparturient period

Nicolas WullepitMiel HostensCeline GinnebergeVeerle FievezGeert OpsomerDirk FremautStefaan De Smet

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Mode of delivery is associated with different hematological profiles in the newborn calf

M ProboA GiordanoP MorettiGeert OpsomerLO FiemsMC Veronesi

A1 Journal Article in THERIOGENOLOGY

Natural antibodies related to metabolic and mammary health in dairy cows

ATM van KnegselMiel HostensG de Vries ReilinghA LammersB KempGeert OpsomerHK Parmentier

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

On-farm evaluation of the effect of metabolic diseases on the shape of the lactation curve in dairy cows through the MilkBot lactation model

Miel HostensJ EhrlichB Van RanstGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Optimization and validation of a practical method to isolate and identify bovine colostral monomorphonuclear leukocytes

Vanessa MeganckBruno GoddeerisSofie PiepersEric CoxGeert Opsomer

Pancreatic β-cell function differs between newborn Belgian Blue and Holstein calves

Mieke Van EetveldeMd. Mostofa KamalL FiemsGeert Opsomer

Pancreatic β-cell function is positively correlated with the size of newborn Holstein calves

Md. Mostofa KamalMieke Van EetveldeL VandaeleGeert Opsomer

Pelvic dimensions in phenotypically double-muscled Belgian Blue cows

Iris KolkmanGeert HoflackS AertsH LaevensD LipsGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Placental development in Holstein cattle is correlated with dam characteristics and beta-cell function of the newborn calf

Geert OpsomerMd. Mostofa KamalMieke Van EetveldeL VandaeleMiel Hostens

Quantifying bovine insulin: conversion of units

Ángel AbueloJoaquín HernándezCristina CastilloJenne De KosterGeert OpsomerLisa Grufman

A1 Journal Article in VETERINARY CLINICAL PATHOLOGY

Special issue: 14th international conference on production diseases in farm animals, Ghent, Belgium, 20-24 June 2010: preface

Editorial material

The association between indicators of inflammation and liver variables during the transition period in high-yielding dairy cows: an observational study

Philippe BossaertErminio TrevisiGeert OpsomerGiuseppe BertoniSarne De VliegherJo LMR Leroy

A1 Journal Article in VETERINARY JOURNAL

The fatty acid profile of subcutaneous and abdominal fat in dairy cows with left displacement of the abomasum

Miel HostensVeerle FievezJLMR LeroyGijs Van RanstBruno VlaeminckGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

2011

Are modern cows suffering from modern diseases?: what bovine practitioners can learn from the metabolic syndrome in human medicine

Jenne De KosterGeert Opsomer

Development of a real time cow gait tracking and analysing tool to assess lameness using a pressure sensitive walkway: the GAITWISE system

Willem MaertensJurgen VangeyteJeroen BaertAlexandru JantuanKoen C MertensSam De CampeneereArno PlukGeert OpsomerStephanie Van WeyenbergAnnelies Van Nuffel

A1 Journal Article in BIOSYSTEMS ENGINEERING

Het inschatten van energiereserves onder de vorm van vet bij hoogproductieve melkkoeien

Mieke Van EetveldeStefaan De SmetGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Pathogen group specific risk factors at herd, heifer and quarter levels for intramammary infections in early lactating dairy heifers

Sofie PiepersK PeetersGeert OpsomerHW BarkemaK FrankenaSarne De Vliegher

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

The effect of animal handling procedures on the blood non-esterified fatty acid and glucose concentrations of lactating dairy cows

JLMR LeroyPhilippe BossaertGeert OpsomerPEJ Bols

A1 Journal Article in VETERINARY JOURNAL

The effect of marine algae in the ration of high-yielding dairy cows during transition on metabolic parameters in serum and follicular fluid around parturition

Miel HostensVeerle FievezBruno VlaeminckJ BuyseJ LeroySofie PiepersSarne De VliegherGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Two atypical cases of granulosa cell tumours in Belgian Blue heifers

Vanessa MeganckJan GovaereT VanholderGriet VercauterenKoen ChiersAart de KruifGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

2010

2D vision based measuring device for teat morphology in dairy cows

Ingrid ZwertvaegherJeroen BaertJürgen VangeyteSarne De VliegherAnnelies GenbruggeStephanie Van Weyenberg

Addition of insulin like growth factor-1 during maturation and culture enhances blastocyst rate and reduces apoptosis in bovine blastocysts derived from heat stressed oocytes

Mohamed Ahmed MM Shehab El DeenJo LeroyLeen VandaeleDominiek MaesGeert OpsomerMoustafa FadelAnn Van Soom

Analysis of body measurements of newborn purebred Belgian Blue calves

Iris KolkmanGeert OpsomerS AertsGeert HoflackH LaevensD Lips

A1 Journal Article in ANIMAL

Assessment of differences in some indicators of pain in double muscled Belgian Blue cows following naturally calving vs Caesarean section

Iris KolkmanStef AertsH VervaeckeJo ViccaJ VandelookAart de KruifGeert OpsomerDirk Lips

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Calving problems and calving ability in the phenotypically double muscled Belgian Blue breed

Iris KolkmanGeert OpsomerD LipsGeert Hoflack

Cross-sectional survey of Se-status in 44 beef cattle herds in Flanders, Belgium

Koen De BleeckerStefaan RibbensBart Pardon

Heifers infected with coagulase-negative staphylococci in early lactation have fewer cases of clinical mastitis and higher milk production in their first lactation than noninfected heifers.

Sofie PiepersGeert OpsomerHerman BarkemaAart de KruifSarne De Vliegher

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Hydrops uteri bij een Belgisch witblauwe vaars gepaard gaand met een mandibulair vasculair hamartoma bij het kalf

H Van LooJan GovaereKoen ChiersMaarten HoogewijsGeert OpsomerAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Immunohistochemical visualization of insulin receptors in formalin-fixed bovine ovaries post mortem and in granulosa cells collected in vivo

Peter BossaertH De CockJLMR LeroyS De CampeneerePEJ BolsMuriel FilliersGeert Opsomer

A1 Journal Article in THERIOGENOLOGY

Insulin like growth factor-I in heat stressed bovine oocytes: effect on embryo development

Mohamed Ahmed MM Shehab El DeenJo LeroyLeen VandaeleDominiek MaesGeert OpsomerMoustafa FadelSherif SalehAnn Van Soom

Intramammary infections and innate immunity in early lactating dairy heifers

Sofie PiepersSarne De VliegherGeert OpsomerEvelyne MeyerHerman Barkema

Intramammary infections in fresh dairy heifers: to worry or not to worry…?

Sofie PiepersHerman BarkemaAart de KruifGeert OpsomerSarne De Vliegher

Is the quality of colostral lymphocytes of detrimental importance with respect to calf diarrhoea in high yielding dairy herds?

Vanessa MeganckBruno GoddeerisEdith StuyvenSofie PiepersEric CoxGeert Opsomer

Is there an association between the shape of the initial phase of the lactation curve and the moment of first post partum estrus in high yielding dairy cows?

Cyrillus VerversMiel HostensTim CaluwaertsAart de KruifGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Mortality due to nutrition associated diseases in veal calves

Bart PardonJozefien CallensKoen De BleeckerFilip Van ImmerseelPiet Deprez

Pre-operative and operative difficulties during bovine Caesarean section in Belgium and associated risk factors

Iris KolkmanGeert OpsomerDirk LipsB LindenberghAart de KruifSarne De Vliegher

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

The effect of microalgae supplementation on the mRNA expression for gluconeogenic enzymes in liver of transition dairy cows

Miel HostensLuc PeelmanVeerle FievezGeert Opsomer

The influence of peripartal feeding scheme and body condition on sow reproductive and conditional performance

An CoolsDominiek MaesRuben DecaluweTheo van KempenGeert Janssens

The role of insulin in the energy conflict between milk production and ovarian activity during the transition period of high-yielding dairy cows

Philippe BossaertGeert OpsomerJo Leroy

Why some fresh heifers are infected with a specific pathogen and others are not...

Sofie PiepersKatrijn PeetersKlaas FrankenaGeert OpsomerSarne De Vliegher

2009

Corpus Luteum Function in the Bovine

Geert OpsomerS. CoolsAart de Kruif

De epidemiologie en aanpak van mastitis bij melkveevaarzen

Sofie PiepersGeert OpsomerKarlien SupréAart de KruifSarne De Vliegher

A2 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Differences in the glucose-induced insulin response and the peripheral insulin responsiveness between neonatal calves of the Belgian Blue, Holstein-Friesian, and East Flemish breeds

Philippe BossaertJ.L.M.R. LeroyS. De CampeneereSarne De VliegherGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Ear vein sampling procedure with a commercial beta-hydroxyebutyrate meter as a cow side test for ketosis

Bart PardonMiel HostensLinda RibbersKoen De BleeckerGeert OpsomerPiet Deprez

Evaluation of the Rice pelvimeter for measuring pelvic area in double muscled Belgian Blue cows

Iris KolkmanGeert HoflackS AertsRD MurrayGeert OpsomerDirk Lips

A1 Journal Article in LIVESTOCK SCIENCE

Factors influencing dystocia in the double muscled Belgian Blue breed

Iris KolkmanGeert HoflackD LipsGeert Opsomer

Heifer and quarter characteristics associated with periparturient blood and milk neutrophil apoptosis in healthy heifers and in heifers with subclinical mastitis

Sofie PiepersGeert OpsomerEvelyne MeyerKristel DemeyereHerman BarkemaAart de KruifSarne De Vliegher

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Het belang van mastitis bij melkveevaarzen

Sofie PiepersGeert OpsomerKarlien SupréAart de KruifSarne De Vliegher

A2 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Immuno-histochemical Insulin Receptor Staining in Bovine Follicles

P. BossaertJ.L.M.R. LeroyP. BolsGeert OpsomerH. De Cock

Impact of intramammary infections in dairy heifers on future udder health, milk production, and culling

Sofie PiepersSarne De VliegherAart de KruifGeert OpsomerHerman Barkema

A1 Journal Article in VETERINARY MICROBIOLOGY

Is Taking a Biopsy a Relevant Technique to Monitor Bovine Luteal Function In vitro?

S. CoolsW. Van Den BroeckAart de KruifGeert Opsomer

Metritis and endometritis in high yielding dairy cows

Geert OpsomerAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Monitoring reproduction in modern dairy herds

Tim CaluwaertsMiel HostensBonifacius Van RanstAart de KruifGeert Opsomer

Technical note: Flow cytometric identification of bovine milk neutrophils and simultaneous quantification of their viability

Sofie PiepersSarne De VliegherKristel DemeyereBart LambrechtAart de KruifEvelyne MeyerGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

The effect of age at first calving on subsequent production in dairy cattle

Miel HostensTim CaluwaertsBonifacius Van RanstGeert Opsomer

The effect of marine algae supplementation in high yielding dairy cows during transition on metabolic parameters in the serum and follicular fluid early post-partum

Miel HostensBruno VlaeminckVeerle FievezGeert Opsomer

2008

A population-based on-farm evaluation protocol for comparing the welfare of pigs between farms

X GOOSSENSLuk SobryFrank OdbergFrank TuyttensDominiek MaesStefaan De SmetF NEVENSGeert OpsomerF LOMMELENR GEERS

A1 Journal Article in ANIMAL WELFARE

Analysis of the topographic distribution of the different cell types, collagen and blood vessels in a bovine corpus luteum

Steven CoolsWim Van Den BroeckSofie PiepersAart de KruifGeert Opsomer

Association Between CNS-infections at Calving and First Lactation Milk Production and Somatic Cell Counts in Dairy Heifers

Sofie PiepersHerman BarkemaAart de KruifGeert OpsomerSarne De Vliegher

Clinical symptoms caused by the bluetongue virus serotype 8: experiences from the outbreak in Belgium

Marcel Van AertJozef LaureynsAart de KruifGeert Opsomer

A1 Journal Article in CATTLE PRACTICE

De behandeling en preventie van ketonemie en leververvetting bij hoogproductieve melkkoeien

Steven CoolsPhilippe BossaertH VAN LOOAart de KruifGeert Opsomer

A2 Journal Article in Vlaams Diergeneeskundig Tijdschrift

De pathogenese en kliniek van ketonemie en leververvetting bij hoogproductieve melkkoeien

Philippe BossaertSteven CoolsH. Van LooJ. LeroyAart de KruifGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Efficacy of metaphylactic florfenicol therapy during natural outbreaks of bovine respiratory disease

B CATRYLuc DuchateauJ VAN DE VENHans LaevensGeert OpsomerFreddy HaesebrouckAart de Kruif

A1 Journal Article in JOURNAL OF VETERINARY PHARMACOLOGY AND THERAPEUTICS

Fertility management of modern high yielding dairy cows

Heifer and quarter characteristics associated with periparturient blood and milk neutrophil viability

Sofie PiepersGeert OpsomerKristel DemeyereHerman BarkemaAart de KruifEvelyne MeyerSarne De Vliegher

Heifer and quarter characteristics associated with periparturientblood and milk neutrophil viability

Sofie PiepersGeert OpsomerKristel DemeyereAart de KruifEvelyne MeyerSarne De Vliegher

Incidence of reproduction disorders and fertility parameters in dairy herds under the herd health program

W BaranskiThomas JanowskiM RasS ZdunczykGeert OpsomerJeroen DewulfAart de Kruif

A4 Journal Article in MEDYCYNA WETERINARIA

Influence of systemic fluoroquinolone administration on the presence of Pasteurella multocida in the upper respiratory tract of clinically healthy calves

B CATRYSiska CroubelsS SCHWARZPiet DeprezB COXC KEHRENBERGGeert OpsomerAnnemie DecostereFreddy Haesebrouck

A1 Journal Article in ACTA VETERINARIA SCANDINAVICA

Interrelations between glucose-induced insulin response, metabolic indicators, and time of first ovulation in high-yielding dairy cows

Philippe BossaertJ.L.M.R. LeroySarne De VliegherGeert Opsomer

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Intramammary infections in fresh dairy heifers: to worry or not to worry...?

Sofie PiepersGeert OpsomerAart de KruifHerman BarkemaSarne De Vliegher

Metritis and herd health in modern dairy herds

Nutritional and health management of high producing dairy cows during the transition period

Reduced fertility in high-yielding dairy cows: Are the oocyte and embryo in danger? Part I - The importance of negative energy balance and altered corpus luteum function to the reduction of oocyte and embryo quality in high-yielding dairy cows

JLMR LEROYGeert OpsomerAnn Van SoomIGF GOOVAERTSPeter Bols

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Reduced fertility in high-yielding dairy cows: Are the oocyte and embryo in danger? Part II - Mechanisms linking nutrition and reduced oocyte and embryo quality in high-yielding dairy cows

JLMR LEROYAnn Van SoomGeert OpsomerIGF GOOVAERTSPeter Bols

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Reliability of the morphological characteristics (nuclear density, collagen and blood vessels) of two biopsies taken out of a bovine corpus luteum.

Steven CoolsWim Van Den BroeckSofie PiepersAart de KruifGeert Opsomer

Reliability of the morphological characteristics (nuclear density, collagen and blood vessels) of two biopsies, taken out of a bovine corpus luteum

Steven CoolsWim Van Den BroeckSofie PiepersAart de KruifGeert Opsomer

Reproductive performance in high producing dairy cows: practical implications

Aart de KruifJo LeroyGeert Opsomer

Testicular dysfunction is responsible for low sperm quality in Belgian Blue bulls

Geert HoflackWim Van Den BroeckDominiek MaesK VAN DAMMEGeert OpsomerLuc DuchateauAart de KruifH RODRIGUEZ-MARTINEZAnn Van Soom

A1 Journal Article in THERIOGENOLOGY

The consequences of metabolic changes in high-yielding dairy cows on oocyte and embryo quality

J.L.M.R. LeroyAnn Van SoomGeert OpsomerR.E.J. Bols

A1 Journal Article in ANIMAL

Udder pathogens isolated from milk of cows before drying off and their antibiotic sensitivity

W BaranskiM RasThomas JanowskiS ZdunczykJeroen DewulfAart de KruifSarne De VliegherGeert Opsomer

A4 Journal Article in MEDYCYNA WETERINARIA

2007

Antimicrobial resistance of staphylococci isolated out of subclinical and clinical cases of mastitis

Steven CoolsB CATRYM VANROBAEYSAart de KruifGeert Opsomer

Association between the quarter-lvel somatic cell count and infection status in dairy heifers in early lactation

Sofie PiepersSarne De VliegherAart de KruifGeert Opsomer

Claw Pathologies, Dairy Cow Gait and Claw signature

A VAN NUFFELN GYSELINCKW MAERTENSA GOOLAERTSMarcel Van AertGeert OpsomerB SONCK

Comparison of computer-assisted sperm motility analysis parameters in semen from belgian blue and Holstein-Friesian bulls

Geert HoflackGeert OpsomerTom RijsselaereAnn Van SoomDominiek MaesAart de KruifLuc Duchateau

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Cystic ovarian disease in dairy cattle

Dairy herd health management: current state and perspectives

Aart de KruifGeert OpsomerJosephus Noordhuizen

De herhaalbaarheid van bekkenmetingen van Belgisch Witblauwe runderen met de pelvimeter van Rice en de verschillen tussen deze metingen rond het afkalftijdstip

Iris KolkmanK MatthysGeert HoflackL FiemsD LipsAart de KruifGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Early embryonic death in cattle

Geert OpsomerJ LEROYPhilippe BossaertSteven CoolsAart de Kruif

Frictional interactions between bovine claw and concrete floor

A FRANCKGeert OpsomerAart de KruifNele De Belie

A1 Journal Article in BIOSYSTEMS ENGINEERING

Heifer and quarter level factors associated with periparturient blood and milk neutrophil viability and concentration

Sofie PiepersSarne De VliegherEvelyne MeyerKristel DemeyereAart de KruifGeert Opsomer

Impact of heifer mastitis: association with somatic cell count, production, culling, and fertility

Sofie PiepersSarne De VliegherGeert OpsomerHerman Barkema

Impact of metabolic and endocrine parameters on ovulation in high yielding dairy cows

Philippe BossaertJo LeroySteven CoolsGeert Opsomer

Indicaties voor en complicaties bij de keizersnede bij het rund

B LINDENBERGHIris KolkmanJozef LaureynsAart de KruifGeert OpsomerSarne De Vliegher

A3 Journal Article in Flemish Veterinary Journal

Major causes of declining fertility in dairy cows in Europe and some strategies to improve reproductive performance

Geert OpsomerJ LEROYTom VanholderPhilippe BossaertSteven CoolsMiel HostensAart de Kruif

Metabolic changes in high yielding dairy cows and the consequences on oocyte and embryo quality

Jo LeroyGeert OpsomerAart de KruifAnn Van SoomPeter Bols

Neutrophil Viability in Dairy Heifers

Sofie PiepersSarne De VliegherKristel DemeyereAart de KruifEvelyne MeyerGeert Opsomer

Pancreatic insulin secretion in high-yielding dairy cows: causes and effects

Philippe BossaertJo LeroySteven CoolsGeert Opsomer

Pancreatic insulin secretion in high-yielding dairy cows:causes and effects

Philippe BossaertJ LEROYSteven CoolsGeert Opsomer

Postpartum anoestrus in high yielding dairy cattle

Geert OpsomerM CORYNAart de Kruif

Postpartum metritis in high yielding dairy cows: importance and prevalence

Prevalence and distribution of mastitis pathogens in subclinically infected dairy cows in Flanders, Belgium

Sofie PiepersL DE MEULEMEESTERAart de KruifGeert OpsomerHW BARKEMASarne De Vliegher

A1 Journal Article in JOURNAL OF DAIRY RESEARCH

Protocol of the Caesarean section as performed in daily bovine practice in Belgium

Iris KolkmanSarne De VliegherGeert HoflackMarcel Van AertJozef LaureynsD LipsAart de KruifGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Recent knowledge about the interaction between nutrition and reproduction in high yielding dairy cows: How to use knowledge in practice?

Geert OpsomerPhilippe BossaertSteven CoolsAart de Kruif

Recent knowledge about the interaction between nutrition and reproduction in high yielding dairy cows: How to use this knowledge in practice?

Geert OpsomerJ LEROYTom VanholderPhilippe BossaertSteven CoolsAart de Kruif

Reduced fertility in modern high yielding dairy cows: etiology and prevention

Geert OpsomerPhilippe BossaertSteven CoolsAart de Kruif

Subfertility in high yielding dairy cows: how to bring science into practice

Geert OpsomerJ LEROYTom VanholderPhilippe BossaertAart de Kruif

Tetracycline-resistance in lactose-positive enteric coliforms originating from Belgian fattening pigs: Degree of resistance, multiple resistance and risk factors

Jeroen DewulfBoudewijn CatryT TIMMERMANGeert OpsomerAart de KruifDominiek Maes

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

The association between antimicrobial treatment incidences and resistanc among bovine faecal Escherichia coli and respiratory Pasteurellaceae

Annemieke SmetBoudewijn CatryJeroen DewulfDominiek MaesM VANROBAEYSGeert OpsomerAart de KruifFreddy Haesebrouck

2006

A routine flow cytometric method to assess the viability, apoptosis, and necrosis of isolated bovine blood and milk neutrophils

Sofie PiepersSarne De VliegherSofie NotebaertEvelyne MeyerKristel DemeyereGeert Opsomer

Aanpak van een melkveebedrijf met een verhoogd tankmelkcelgetal

Iris KolkmanSarne De VliegherCatharina De SchauwerGeert OpsomerAart de Kruif

A3 Journal Article in Flemish Veterinary Journal

Aetiology and pathogenesis of cystic ovarian follicles in dairy cattle: a review

Tom VanholderGeert OpsomerAart de Kruif

A1 Journal Article in REPRODUCTION NUTRITION DEVELOPMENT

AN UPDATE ON BOVINE PASTEURELLOSIS

Boudewijn CatryFreddy HaesebrouckGeert OpsomerAnnemie DecostereAart de Kruif

Antibiotic susceptibility and resistance of Staphylococcus chromogenes from bovine mastitis.

Boudewijn CatryLuc DevrieseHans LaevensSarne De VliegherM VANEECHOUTTEGeert Opsomer

Beoordeling van de vruchtbaarhied van de stier : het onderzoek naar de reproductiegeschiktheid

Geert HoflackGeert OpsomerDominiek MaesAart de KruifAnn Van Soom

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Breeding soundness and libido examination of Belgian blue and Holstein Friesian artificial insemination bulls in Belgium and the Netherlands

Geert HoflackAnn Van SoomDominiek MaesAart de KruifGeert OpsomerLuc Duchateau

A1 Journal Article in THERIOGENOLOGY

Caesarean Section

Iris KolkmanSarne De VliegherGeert HoflackMarcel Van AertJozef LaureynsAart de KruifGeert Opsomer

Ceasarean Section

Iris KolkmanSarne De VliegherGeert HoflackMarcel Van AertJozef LaureynsAart de KruifGeert Opsomer

Comparison of sperm quality of Belgian Blue and Holstein Friesian bulls

Geert HoflackGeert OpsomerAnn Van SoomDominiek MaesAart de KruifLuc Duchateau

A1 Journal Article in THERIOGENOLOGY

Complications during and after caesarean section in daily bovine practice in Belgium

Iris KolkmanSarne De VliegherGeert HoflackMarcel Van AertJozef LaureynsAart de KruifGeert Opsomer

Complications during and after caesarean section in daily bovine practice in Belgium

Iris KolkmanSarne De VliegherB LindenbergGeert HoflackMarcel Van AertJozef LaureynsAart de KruifGeert Opsomer

Complications during and after caesarean sections in daily bovine practice

Iris KolkmanSarne De VliegherGeert HoflackMarcel Van AertJozef LaureynsAart de KruifGeert Opsomer

Dealing with a dairy herd with an elevated bulk milk somatic cell count

Iris KolkmanSarne De VliegherCatharina De SchauwerGeert OpsomerAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Effect of enrofloxacin administration on the occurence of P. multocida in the bovine nasopharynx

Bart CatrySiska CroubelsS SchwarzPiet DeprezC KehrenbergGeert OpsomerAnnemie DecostereFreddy Haesebrouck

Effect of enrofloxacin administration on the occurrence of P. Multocida in the bovine nasopharynx

B CATRYSiska CroubelsS SCHWARZPiet DeprezC KEHRENBERGGeert OpsomerPatrick De BackerA DE COSTEREFreddy Haesebrouck

Effect of non-esterified fatty acids on bovine theca cell steroidogenesis and proliferation in vitro

Tom VanholderJo LeroyAnn Van SoomDominiek MaesA CORYNT FIERSAart de KruifGeert Opsomer

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

Effects of beta-OH butyrate on bovine granulosa and theca cell function in vitro

Tom VanholderJo LeroyAnn Van SoomM CORYNAart de KruifGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Energy balance and ovarian activity in diary cattle

Tom VanholderJo LeroyGeert OpsomerAart de Kruif

A3 Journal Article in Flemish Veterinary Journal

Evolution of quarter-milk somatic cell counts of dairy heifers in early lactation

Sofie PiepersSarne De VliegherAart de KruifGeert Opsomer

Fertility in Belgian Blue bulls

Geert HoflackAnn Van SoomGeert OpsomerAart de Kruif

High milk production and good fertility in modern dairy cows: some recent research items

Geert OpsomerJ LEROYTom VanholderPhilippe BossaertAart de Kruif

A3 Journal Article in SLOVANIAN VETERINARY RESEARCH

Impact of early lactation somatic cell count in dairy heifers on udder health and production during the first lactation

Sarne De VliegherHerman BarkemaH STRYHNGeert OpsomerAart de Kruif

Incidence of reproductive disorders in eight dairy herds in North-East Poland under the herd health programme (Das Vorkommern von Fertilitätsstörungen in acht Milchuhbeständen im nordöstlichen Polen unter Bestandsbetreuung)

W BARANSKIT JANOWSKIS ZDUNCZYKAart de KruifGeert Opsomer

Influence of body condition score on sperm morphology in Belgian Blue and Holstein Friesian bulls

Geert HoflackAnn Van SoomDominiek MaesLuc DuchateauGeert OpsomerAart de Kruif

Interactions between energy balance and ovarian activity in high yielding dairy cows early postpartum: A review

Tom VanholderJLMR LEROYGeert OpsomerAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Intramammaire infecties met Corynebacterium bovis bij melkvee

Catharina De SchauwerSarne De VliegherIris KolkmanAart de KruifGeert Opsomer

A3 Journal Article in Flemish Veterinary Journal

Modern research in the reduced fertility in high producing dairy cows: an innovative way of thinking

Jo LeroyAnn Van SoomAart de KruifGeert Opsomer

A3 Journal Article in Flemish Veterinary Journal

Modern research in the reduced fertility of high yielding dairy cows: an innovative way of thinking

JLMR LeroyAnn Van SoomAart de KruifGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Optimizing dairy cow reproductive performances besides the use of hormones

Geert OpsomerJ LEROYTom VanholderPhilippe BossaertAart de Kruif

Prevalence and distribution of mastitis pathogens in dairy cows in Flanders

Sofie PiepersL DE MEULEMEESTERAart de KruifGeert OpsomerHerman BarkemaSarne De Vliegher

Quantification and evaluation of antimicrobial drug use in group treatments for fattening pigs in Belgium

Tom TimmermanJeroen DewulfBoudewijn CatryB FEYENGeert OpsomerAart de KruifDominiek Maes

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Reduced fertility in high producing dairy cows…is the oocyte in danger?

Jo LeroyGeert OpsomerPeter BolsAart de KruifAnn Van Soom

Subfertility in high yielding dairy cows: how to bring science into practice?

Geert OpsomerJo LeroyTom VanholderPhilippe BossaertAart de Kruif

A1 Journal Article in Vlaams Diergeneeskundig Tijdschrift

Tetracycline-resistance in lactose-positive enteric coliforms originating from Belgian fattening pigs

Tom TimmermanJeroen DewulfBoudewijn CatryLuc DuchateauGeert OpsomerAart de KruifDominiek Maes

The In vitro development of bovine oocytes after maturation in glucose and beta-hydroxybutyrate concentrations associated with negative energy balance in dairy cows

Jo LeroyTom VanholderGeert OpsomerAnn Van SoomAart de Kruif

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

The in vitro development of bovine oocytes after maturation in negative energy balance associated glucose and β-hydroxybutyrate concentrations in dairy cows

Jo LeroyTom VanholderGeert OpsomerPeter BolsAart de KruifAnn Van Soom

The preventive use of concentrated garlic in neonatal calf enteritis caused by Cryptosporidium parvum

Geert HoflackThomas GeurdenS DAELEMANGeert OpsomerAart de Kruif

Typical metabolic changes in high producing dairy cows early post partum and their consequences on oocyte and embryo quality

Jo LeroyTom VanholderGeert OpsomerAnn Van SoomPeter BolsAart de Kruif

A3 Journal Article in Flemish Veterinary Journal

Typical metabolic changes in high producing dairy cows early postpartum and their consequences on oocyte and embryo quality

JLMR LeroyT VanholderGeert OpsomerAnn Van SoomPEJ BolsP BossaertAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

2005

Accuracy of susceptibility testing of bovine Pasteurellaceae (oral presentation)

Boudewijn CatryJeroen DewulfM VANROBAEYSGeert OpsomerFreddy HaesebrouckAnnemie Decostere

Antimicrobial resistance in bovine commensal pasteurellaceae

Boudewijn CatryBianca FeyenT RAEYMAECKERSGeert OpsomerTom TimmermanS SCHWARTZFreddy HaesebrouckAart de Kruif

Aspiração de oócitos (ovum pick-up), a técnica ideal para o estudo do ambiente intra-follicular e da qualidade oocitária em vacas de leite de alta produção

Jo LeroyPeter BolsGeert OpsomerAnn Van SoomAart de Kruif

A3 Journal Article in Acta Scientiae Veterinariae

Association between early lactation somatic cell count and culling of dairy heifers using Cox frailty models

Sarne De VliegherHerman BarkemaGeert OpsomerAart de KruifLuc Duchateau

Association between somatic cell count in early lactation and culling of dairy heifers using cox frailty models

Sarne De VliegherHW BARKEMAGeert OpsomerAart de KruifLuc Duchateau

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Association between somatic cell count in early lactation and cutting of dairy heifers using Cox frailty models

Sarne De VliegherHerman BarkemaGeert OpsomerAart de KruifLuc Duchateau

Bacteria isolated from bovine mammary glands before drying off and their antibiotics sensitivity

W BARANSKIM RAST JANOWSKIS ZDUNCZYKGeert OpsomerJeroen DewulfAart de Kruif

Breeding soundness evaluation of Belgian blue and Holstein Friesian bulls

Geert HoflackAnn Van SoomLuc DuchateauGeert OpsomerAart de Kruif

Broadening the impact of endometritis in recently calved high-yielding dairy cows

Changes in the concentrations of urea, glucose and beta-hydroxybutyrate in the follicular fluid of the dominant follicle in high-yielding dairy cows early post partum

Jo LeroyTom VanholderGeert OpsomerAnn Van SoomAart de Kruif

Comparison of embryo quality in high-yielding dairy cows, in dairy heifers and in beef cows

Jo LeroyGeert OpsomerSarne De VliegherTom VanholderL GOOSSENSA GELDHOFPeter BolsAart de KruifAnn Van Soom

A1 Journal Article in THERIOGENOLOGY

Cystic ovarian follicles in the high yielding dairy cow post partum: role of metabolic and hormonal adaptations in the pathogenesis

Tom VanholderGeert OpsomerAart de Kruif

Dairy herd health-care program

W BARANSKIS ZDUNCZYKT JANOWSKIAart de KruifGeert OpsomerJeroen Dewulf

A1 Journal Article in MEDYCYNA WETERYNARYJNA

De tien geboden van de moderne melkveestal (Les 10 commandements pour une étable laitière moderne)

Geert OpsomerMarcel Van Aert

Dynamics of antimicrobial susceptibilities of Pasteurella multocida and Mannheimia haemolytica sensu lato from veal calves

Boudewijn CatryJeroen DewulfBianca FeyenM VANROBAEYSGeert OpsomerAart de KruifAnnemie DecostereS SCHWARTZ

Effect of enrofloxacin on the presence of Pasteurella multocida in the bovine nasopharynx

Boudewijn CatryS SchwarzPiet DeprezC KehrenbergSiska CroubelsGeert OpsomerFreddy Haesebrouck

Effect of non-esterified fatty acids on bovine granulosa cell steroidogenesis and proliferation in vitro

Tom VanholderJo LeroyAnn Van SoomGeert OpsomerDominiek MaesMarc CorynAart de Kruif

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

Effect of oleic acid during in vitro maturation and fertilisation, first cleavage and embryo development of bovine cumulus-oocyte-complexes

Jo LeroyTom VanholderAnn Van SoomGeert OpsomerPeter BolsAart de Kruif

Evaluatieprotocol voor dierenwelzijn en -gezondheid op Vlaamse varkensbedrijven

X GOOSSENSL SOBRYDominiek MaesFrank NevensFrank OdbergFrank TuyttensStefaan De SmetGeert OpsomerF LOMMELENR GEERS

A4 Journal Article in Publicatie van het Steunpunt Duurzame Landbouw

Hoe wel zijn mijn koeien? Evaluatie van dierenwelzijn en -gezondheid op melkveebedrijven

L SOBRYX GOOSSENSGeert OpsomerFrank NevensStefaan De SmetFrank OdbergDominiek MaesF LOMMELENFrank TuyttensR GEERS

A4 Journal Article in Publicatie van het Steunpunt Duurzame Landbouw

Hormonal and metabolic profiles of high-yielding dairy cows prior to ovarian cyst formation or first ovulation post Partum

Tom VanholderJo LeroyJeroen DewulfLuc DuchateauM CORYNAart de KruifGeert Opsomer

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Impact of early lactation somatic cell count in heifers on milk yield over the first lactation

Sarne De VliegherHW BARKEMAH STRYHNGeert OpsomerAart de Kruif

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

in vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers

Sarne De VliegherGeert OpsomerA VANROLLEGHEMLuc DevrieseO SAMPIMONJ SOLHerman BarkemaFreddy HaesebrouckAart de Kruif

Interrelation between follicular fluid and serum non esterified fatty acids in high-yielding dairy cows early post partum

Jo LeroyTom VanholderAnn Van SoomGeert OpsomerPeter BolsArmand Christophe

Lack of association of milk progesterone levels after first insemination with the pregnance outcome in Belgian dairy cows

Geert OpsomerJeroen DewulfJ LEROYTom VanholderM CORYNAart de Kruif

Low glucose and high β-hydroxybutyrate levels during in vitro maturation of bovine oocytes do not influence blastocyst yield

Jo LeroyTom VanholderGeert OpsomerPeter BolsAnn Van Soom

Metabolic changes in high producing dairy cows and the consequences on oocyte and embryo quality

Jo LeroyAnn Van SoomGeert OpsomerAart de Kruif

Multi-colour labelling of quarter milk neutrophils from heifers in early lactation for the flow cytometric assessment of functional quality changes

Sofie PiepersSarne De VliegherSofie NotebaertEvelyne MeyerGeert Opsomer

Negative Energie Bilanz und Fruchtbarkeit bei Milchkühen: Betrachtung einiger neuer Studien

Geert OpsomerTom VanholderJ LEROYAart de Kruif

Nieuwe inzichten in boviene enzoötische bronchopneumonie

Boudewijn CatryJan GovaereTom VanholderGeert OpsomerAnnemie DecostereFreddy HaesebrouckAart de Kruif

A3 Journal Article in Flemish Veterinary Journal

Non-esterified fatty acids in follicular fluid of dairy cows and their effect on developmental capacity of bovine oocytes in vitro

Jo LeroyTom VanholderBart MateusenArmand ChristopheGeert OpsomerAart de KruifG GENICOTAnn Van Soom

A1 Journal Article in REPRODUCTION

Pasteurella and Mannheimia species from calves: differentiation and antimicrobial resistance

Boudewijn CatryAart de KruifFreddy HaesebrouckGeert Opsomer

Preliminary results of a multi-color flow cytometric protocol to determine the viability of bovine neutrophils in milk

Sofie PiepersSarne De VliegherSofie NotebaertEvelyne MeyerGeert Opsomer

Progesteronsupplementatie tijdens de vroege dracht bij melkkoeien

Geert OpsomerS De TemmermanAart de Kruif

A2 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

The non-linear effect (determined by the penalised partial-likelihood approach) of milk-protein concentration on time to first insemination in Belgian dairy cows

Luc DuchateauGeert OpsomerJeroen DewulfP JANSSEN

A1 Journal Article in PREVENTIVE VETERINARY MEDICINE

Validation and usefulness of the sperm quality analyzer (SQA II-C) for bull semen analysis

Geert HoflackTom RijsselaereDominiek MaesJeroen DewulfGeert OpsomerAart de KruifAnn Van Soom

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Variability in acquired resistance of Pasteurella and Mannheimia isolates from the nasopharynx of calves, with particular reference to different herd types

Boudewijn CatryFreddy HaesebrouckSarne De VliegherBianca FeyenM VANROBAEYSGeert OpsomerS SCHWARZAart de Kruif

A1 Journal Article in MICROBIAL DRUG RESISTANCE-MECHANISMS EPIDEMIOLOGY AND DISEASE

2004

A pharmaco-epidemiological study on antimicrobial drug consumption on Belgian cattle farms

B FEYENB CATRYT TIMMERMANJeroen DewulfGeert OpsomerAart de Kruif

An epidemiological survey to reveal differences between Belgian dairy herds with short compared to prolonged calving intervals

Geert OpsomerJeroen DewulfSarne De VliegherAart de Kruif

Animal welfare and animal health indicators on Flemish dairy farms

L SOBRYX GOOSSENSGeert OpsomerF NEVENSStefaan De SmetFrank OdbergDominiek MaesF LOMMELENR GEERS

Antibiotic usage on cattle farms in Flanders

B FEYENB CATRYHans LaevensGeert OpsomerM VANROBAEYSAart de Kruif

Antimicrobial resistance in commensal respiratory Pasteurellaceae

Boudewijn CatryBianca FeyenGeert OpsomerFreddy HaesebrouckAart de Kruif

Are suprabasal progesterone levels involved in the pathogenesis of cystic ovarian disease in dairy cattle ?

Tom VanholderJo LeroyGeert OpsomerM CORYNJeroen DewulfAart de Kruif

Colostrum quality and quantity in Belgian Blue cows and the subsequent maternel immunty

Geert HoflackJozef LaureynsJeroen DewulfGeert OpsomerAart de Kruif

Computer-assisted motility analysis of bull semen stored under different conditions

Geert HoflackDominiek MaesAnn Van SoomGeert OpsomerAart de Kruif

Droogstand en transitieperiode van hoogproductieve koeien: wat met de voeding?

Geert OpsomerSarne De VliegherAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Déficit énergétique et fertilité chez la vache laitière: données récentes

Geert OpsomerTom VanholderJ LEROYAart de Kruif

effect of non esterified fatty acids on granulosa cell proliferation

Tom VanholderJo LeroyGeert OpsomerAnn Van SoomDominiek MaesAart de Kruif

Fatal meningitis in a calf caused by Mannheimia varigena

Boudewijn CatryGeert OpsomerAnnemie DecostereBianca FeyenAart de KruifFreddy Haesebrouck

A1 Journal Article in RESEARCH IN VETERINARY SCIENCE

Het droogzetten van Melkvee: met of zonder antibiotica?

Sarne De VliegherGeert OpsomerL DEMEULEMEESTER

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Hoe kan het droogzetten van hoogproductieve melkkoeien in de praktijk het best gebeuren?

Geert OpsomerSarne De VliegherAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Impact of early lactation somatic cell count from Belgian dairy heifers on udder health and production during the subsequent first lactation

Sarne De VliegherHerman BarkemaH STRYHNHans LaevensI DOHOOGeert OpsomerAart de Kruif

Impact of early lactation somatic cell count in heifers on somatic cell counts over the first lactation

Sarne De VliegherHW BARKEMAH STRYHNGeert OpsomerAart de Kruif

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers

Sarne De VliegherGeert OpsomerLuc DevrieseO SAMPIMONJ SOLHerman BarkemaFreddy HaesebrouckAart de Kruif

In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers

Sarne De VliegherGeert OpsomerA VANROLLEGHEMLuc DevrieseO SAMPIMONJ SOLHerman BarkemaFreddy HaesebrouckAart de Kruif

In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers

Sarne De VliegherGeert OpsomerA VANROLLEGHEMLuc DevrieseOC SAMPIMONJ SOLHW BARKEMAFreddy HaesebrouckAart de Kruif

A1 Journal Article in VETERINARY MICROBIOLOGY

Integrated dairy herd health management as the basis for prevention

Aart de KruifGeert Opsomer

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Management practices and heifer characteristics associated with early lactation somatic cell count of Belgian dairy heifers

Sarne De VliegherHans LaevensHW BARKEMAIR DOHOOH STRYHNGeert OpsomerAart de Kruif

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Metabolic changes in follicular fluid of the dominant follicle in high-yielding dairy cows early post partum

Jo LeroyTom VanholderJoris DelangheGeert OpsomerAnn Van SoomPeter BolsJeroen DewulfAart de Kruif

A1 Journal Article in THERIOGENOLOGY

Metabolite and ionic composition of follicular fluid from different-sized follicles and their relationship to serum concentrations in dairy cows

Jo LeroyTom VanholderJoris DelangheGeert OpsomerAnn Van SoomPeter BolsAart de Kruif

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

Motility parameters of fresh bull semen evaluated by computer-assisted semen analysis are affected by the dilution medium

Geert HoflackDominiek MaesAnn Van SoomGeert OpsomerAart de Kruif

Negative energy balance and fertility in dairy cows: some recent research items

Geert OpsomerTom VanholderJ LEROYAart de Kruif

Preliminary results from herd health programmes in eight dairy herds in North East Poland: Reproductive performance and incidence of reproductive disorders

W BARANSKIT JANOWSKIS ZDUNCZYKAart de KruifGeert Opsomer

Progesterone and oestradiol-17-beta concentrations prior to ovulation and cyst formation in dairy cows

Tom VanholderJo LeroyGeert OpsomerJeroen DewulfAart de Kruif

Selection of animal-based parameters for an animal welfare assessment protocol on Flemish pig farms

X GOOSSENSL SOBRYDominiek MaesF NEVENSFrank OdbergStefaan De SmetGeert OpsomerR GEERS

Serum insulin concentrations in high yielding dairy cows prior to ovulation or cystic follicle formation

Tom VanholderJo LeroyGeert OpsomerJeroen DewulfAart de Kruif

tRNA-intergenic spacer PCR for the identification of Pasteurella and Mannheimia spp

Boudewijn CatryMargo BaeleGeert OpsomerAart de KruifAnnemie DecostereFreddy Haesebrouck

A1 Journal Article in VETERINARY MICROBIOLOGY

Udder health in dairy heifers : some epidemilogical and microbiological aspects

Sarne De VliegherAart de KruifHerman W. BarkemaGeert Opsomer

2003

Antimicrobial resistance in livestock

Boudewijn CatryHans LaevensLuc DevrieseGeert OpsomerA KRUIF

A1 Journal Article in JOURNAL OF VETERINARY PHARMACOLOGY AND THERAPEUTICS

Comparison of semen quality parameters in Belgian blue and Holstein Friesian bulls

Geert HoflackDominiek MaesAnn Van SoomGeert OpsomerAart de Kruif

Cryptosporidium parvum bij kalveren: een overzicht

TG TimmermanThomas GeurdenGeert OpsomerEdwin Claerebout

A2 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Effect of transition from conventional milking to robotic milking on teat skin and teat end condition.

Sarne De VliegherHans LaevensGeert OpsomerK FISCHERJaak ChristiaensI LAQUIRET HEMLINGM MCKINZIE

Evaluating the effect of milk protein concentration on time to first insemination by the frailty model

Luc DuchateauGeert OpsomerJeroen Dewulf

Evaluating the effect of milk protein concentration on time to first insemination in (Belgian) dairy cows by the frailty model

Luc DuchateauGeert OpsomerJeroen Dewulf

Lack of association of milk progesterone levels after the first insemination with the pregnancy outcome in Belgian dairy cows

Geert OpsomerTom VanholderJ LEROYAart de Kruif

Prepartum teat apex colonization with Staphylococcus chromogenes in dairy heifers is associated with low somatic cell count in early lactation

Sarne De VliegherHans LaevensLuc DevrieseGeert OpsomerJo LeroyHW BARKEMAAart de Kruif

A1 Journal Article in VETERINARY MICROBIOLOGY

Prevalence of teat apex colonization by Staphylococcus chromogenes in young and primigravid dairy heifers.

Sarne De VliegherHans LaevensGeert OpsomerBoudewijn CatryJo LeroyAart de Kruif

Prevalence of teat apex colonizations by Staphylococcus chromogenes in young and primigravid dairy heifers.

Sarne De VliegherHans LaevensGeert OpsomerBoudewijn CatryJo LeroyAart de Kruif

Pseudomonas aeruginosa mastitis bij melkvee

Sarne De VliegherK DESIMPELAEREGeert OpsomerD BEECKMANAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Short-term effect of transition from conventional to automated milking on teat skin and teat end condition

Sarne De VliegherHans LaevensHW BARKEMAGeert OpsomerT HEMLINGAart de Kruif

A1 Journal Article in JOURNAL OF DAIRY SCIENCE

Streptococcus agalactiae mastitis bij melkvee

Sarne De VliegherX GOOSSENSE MIJTENGeert OpsomerL DEMEULEMEESTERAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Streptococcus bovis as indicator bacterium for antimicrobial resistance in cattle

B FEYENB CATRYGeert OpsomerM VANROBAEYSAart de Kruif

Streptococcus bovis as indicator bacterium for cattle

B FEYENB CATRYGeert OpsomerM VANROBAEYSAart de Kruif

Subclinical Pseudomonas aeruginosa mastitis in a dairy herd

D BEECKMANSarne De VliegherGeert HoflackGeert OpsomerAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Subklinische Pseudomonas Aeruginosa mastitis op een melkveebedrijf

Dirk BeeckmanSarne De VliegherGeert HoflackGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

2002

Aetiology and pathogenesis of Cystic ovarian disease in dairy cattle

Tom VanholderGeert OpsomerJan GovaereAart de Kruif

A3 Journal Article in TIJDSCHRIFT VOOR DIERGENEESKUNDE

Cysteuze ovariële follikels bij melkvee: etiologie, pathogenese en risicofactoren.

Tom VanholderGeert OpsomerJ GOVAEREMarc CorynAart de Kruif

A3 Journal Article in TIJDSCHRIFT VOOR DIERGENEESKUNDE

De behandeling van cysteuze ovariële follikels bij melkvee.

J GOVAERETom VanholderGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

De diagnose van cysteuze ovariële follikels bij melkvee.

Tom VanholderJ GOVAEREGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Diagnosis of cystic ovarian disease in dairy cattle

Tom VanholderJan GovaereGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Integrated dairy herd health management as the basis for prevention.

Aart de KruifGeert Opsomer

Bookchapter in Recent developments and perspectives in bovine medicine

Morphological classification of bovine zygotes according to lipid contens

Ann Van SoomJ LEROYS MORTIERGeert OpsomerAart de Kruif

Neospora caninum abortus bij het rund.

Jozef LaureynsGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Ontwikkeling en epidemiologie van antibioticumresistentie.

Boudewijn CatryHans LaevensLuc DevrieseGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Postpartum anoestrus in high yielding dairy cows.

Geert OpsomerMarc CorynAart de Kruif

Bookchapter in Recent developments and perspectives in bovine medicine

Treatment of cystic ovarian disease in high yielding dairy cattle

Jan GovaereTom VanholderGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

2001

Aggressive angiomyxoma in a cow.

Geert OpsomerH DE BOSSCHEREGeert VanrooseGeert HoflackSarne De VliegherAart de Kruif

A1 Journal Article in VETERINARY RECORD

Een agressief angiomyxoma bij een koe.

Geert OpsomerHendrik De BosschereGeert VanrooseGeert HoflackSarne De VliegherAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Een geval van een fataal verlopende pleuritis veroorzaakt door een slokdarmdivertikel bij een vaars.

Sarne De VliegherJozef LaureynsGeert HoflackDirk BeeckmanGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Het somatisch celgetal van de melk: een diagnostisch middel om mastitis op te sporen?

Hans LaevensHubert DeluykerGeert OpsomerSarne De VliegherAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Hoe staat de moderne rundveehouder tegenover diergeneeskundige bedrijfsbegeleiding? Uitslag van een enquête.

Geert OpsomerJeroen DewulfSarne De VliegherAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Somatic cell counts in dairy heifers during early lactation.

Sarne De VliegherHans LaevensGeert OpsomerE DE MUELENAEREAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Verhoogd coligetal in de tankmelk door Klebsiella oxytoca mastitis.

Geert OpsomerSarne De VliegherJozef LaureynsGeert HoflackDirk BeeckmanAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

2000

A descriptive study of postpartum anoestrus in nine high-yielding dairy herd in Flanders.

Geert OpsomerHans LaevensN STEEGENAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

A thymic lymphoma in a heifer.

Sarne De VliegherGeert OpsomerGeert HoflackHendrik De BosscherePiet DeprezAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Chemiluminescence of bovine polymorphonuclear leucocytes during the periparturient period and relation with metabolic markers and bovine pregnancy-associated glycoprotein.

Dagmar HoebenErica MonfardiniGeert OpsomerChristian Paul G. BurvenichHilde DosogneAart de KruifJF Beckers

A1 Journal Article in JOURNAL OF DAIRY RESEARCH

Een thymuslymfoma bij een vaars.

Sarne De VliegherGeert OpsomerGeert HoflackH DE BOSSCHEREPiet DeprezAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Een uniforme dierziektenregistratie op rundveebedrijven als hulpmiddel voor diergeneeskundig epidemiologisch onderzoek.

Geert OpsomerHans LaevensAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Protein metabolism and the resumption of ovarian cyclicity post partum in high yielding dairy cows.

Geert OpsomerYT GROHNJ HERTLHans LaevensMarc CorynAart de Kruif

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Risk factors for post partum ovarian dysfunction in high producing dairy cows in Belgium: A field study.

Geert OpsomerYT GROHNJ HERTLMarc CorynHubert DeluykerAart de Kruif

A1 Journal Article in THERIOGENOLOGY

Somatic cell counts in dairy heifers during early lactation

Sarne De VliegherHans LaevensGeert OpsomerE DE MUELENAEREAart de Kruif

Somatic cell counts in dairy heifers during early lactation.

Sarne De VliegherHans LaevensGeert OpsomerE DE MUELENAEREAart de Kruif

The incidence of fresh cow problems and their influences on future fertility

1999

Endometritis bij het rund: een blijvend dilemma voor de practicus ?

Geert OpsomerDirk BeeckmanY SCHEIRLINCKGeert HoflackAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Insulin resistance: the link between metabolic problems and cystic ovarian disease in high yeilding dairy cows?

Geert OpsomerTH WENSINGHans LaevensMarc CorynAart de Kruif

A1 Journal Article in ANIMAL REPRODUCTION SCIENCE

Measurement of ovarian cycliity in the post partum dairy cow by progesterone analysis.

Geert OpsomerMarc CorynAart de Kruif

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

Postpartaler anöstrus bei Milchkühen : eine Übersicht

Geert OpsomerAart de Kruif

A1 Journal Article in TIERARZTLICHE PRAXIS AUSGABE GROSSTIERE NUTZTIERE

1998

An analysis of ovarian dysfunction in high yielding dairy cows after calving based on progesterone profiles.

Geert OpsomerM CORYNHubert DeluykerAart de Kruif

A1 Journal Article in REPRODUCTION IN DOMESTIC ANIMALS

An unusual case of anoestrus in a Holstein-Friesian heifer.

Geert OpsomerGuy MommensAart de Kruif

A1 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

De behandeling en preventie van hypocalcémie of kalfziekte bij hoogproductief melkvee: een praktische benadering

Geert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Een praktijkonderzoek naar het voorkomen en de behandeling van lebmaagverplaatsingen bij melkvee

W VAN DE PUTGeert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Een speciaal geval van een vaars die niet tochtig wil worden

Geert OpsomerAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Lebmaagverplaatsingen bij het rund: een steeds vaker vookromend probleem

Left displaced abomasum: Considerations of treatment method and a case report of mesenteric torsion after rolling.

Geert OpsomerLionel LaurierAart de KruifRD MURRAY

A1 Journal Article in VETERINARY QUARTERLY

The relationship between energy parameters and the respiratory burst activity of neutrophil in the blood of high yielding cows during the periparturient period

Geert OpsomerD HOEBENAart de KruifC BURVENICH

1997

Abortus op een melkveebedrijf ten gevolge van een infectie met Neospora caninum.

Aart de KruifGeert OpsomerL DE MEULEMEESTER

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

1996

Een geval van mesenteriumtorsie na het wentelen van een koe ter behandeling van een lebmaagverplaatsing naar links.

Geert OpsomerLionel LaurierAart de Kruif

A3 Journal Article in VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT

Post-partum anoestrus in dairy cows: A review.

Geert OpsomerPeter MijtenMarc CorynAart de Kruif

A1 Journal Article in VETERINARY QUARTERLY

1995

An epidemiological survey to reveal differences between Belgian dairy herds with short compared to prolonged calving intervals

Geert OpsomerJeroen DewulfSarne De VliegherAart de Kruif

1993

Eine Studie über die ovarielle Aktivität beinflussende Faktoren nach der Kalbung

Geert OpsomerMarc CorynAart de Kruif

1992

A study of the factors influencing ovarian activity after calving

Geert OpsomerMarc CorynAart de Kruif

De voortplanting van vleesvee.

Aart de KruifP MUTENJ VAN DEN BRANDENGeert Opsomer

A3 Journal Article in TIJDSCHRIFT VOOR DIERGENEESKUNDE

THE REPRODUCTION OF BEEF-CATTLE.

Aart de KruifPeter MijtenJ VANDENBRANDENGeert Opsomer

A1 Journal Article in TIJDSCHRIFT VOOR DIERGENEESKUNDE

1991

Elective caesarean section in double-muscled cows

Geert OpsomerAart de Kruif

The influence of some environmental factors on the concentration of important energy parameters in the blood of high producing dairy cows. Proceedings IXth International conference on production diseases in farm animals 1995, 11-14 sep, Berlin, p. 59.

Geert OpsomerAart de Kruif