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Geert Opsomer

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TOP 3
S Cools; Sarne De Vliegher; S Piepers; Wim Van den Broeck; Geert Opsomer
The bovine luteal histological composition: a topographic point of view.
M Hostens; J L M R Leroy; J Van Ranst; Bruno Vlaeminck; Veerle Fievez; Geert Opsomer
The fatty acid profile of subcutaneous and abdominal fat in dairy cows with left displacement of the abomasum.
M Hostens; J Ehrlich; B Van Ranst; Geert Opsomer
On-farm evaluation of the effect of metabolic diseases on the shape of the lactation curve in dairy cows through the MilkBot lactation model.

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All Publications

2013: S Cools; Sarne De Vliegher; S Piepers; Wim Van den Broeck; Geert Opsomer
The bovine luteal histological composition: a topographic point of view.
Reproduction in domestic animals = Zuchthygiene 2013;48(2):e29-32.
2012: M Hostens; J L M R Leroy; J Van Ranst; Bruno Vlaeminck; Veerle Fievez; Geert Opsomer
The fatty acid profile of subcutaneous and abdominal fat in dairy cows with left displacement of the abomasum.
Journal of dairy science 2012;95(7):3756-65.
2012: M Hostens; J Ehrlich; B Van Ranst; Geert Opsomer
On-farm evaluation of the effect of metabolic diseases on the shape of the lactation curve in dairy cows through the MilkBot lactation model.
Journal of dairy science 2012;95(6):2988-3007.
2012: I Kolkman; Hans Laevens; D Lips; Stein Aerts; Geert Hoflack; Geert Opsomer
Pelvic dimensions in phenotypically double-muscled Belgian Blue cows.
Reproduction in domestic animals = Zuchthygiene 2012;47(3):365-71.
2012: Philippe Bossaert; Sarne De Vliegher; Geert Opsomer; Erminio Trevisi; Giuseppe Bertoni; Jo L M R Leroy
The association between indicators of inflammation and liver variables during the transition period in high-yielding dairy cows: an observational study.
Veterinary journal (London, England : 1997) 2012;192(2):222-5.
2012: N Wullepit; Veerle Fievez; Dirk Fremaut; C Ginneberge; M Hostens; Geert Opsomer; Stefaan De Smet
Influence of a marine algae supplementation on the oxidative status of plasma in dairy cows during the periparturient period.
Preventive veterinary medicine 2012;103(4):298-303.
2012: A T M van Knegsel; Ger De Vries Reilingh; M Hostens; Bas Kemp; aart lammers; Geert Opsomer; Henk K Parmentier
Natural antibodies related to metabolic and mammary health in dairy cows.
Preventive veterinary medicine 2012;103(4):287-97.
2012: Geert Opsomer
Preface.
Preventive veterinary medicine 2012;103(4):247.
2011: M Hostens; J Leroy; J Buyse; Sarne De Vliegher; Veerle Fievez; S Piepers; Bruno Vlaeminck; Geert Opsomer
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.
Journal of dairy science 2011;94(9):4603-15.
2011: V Meganck; Koen Chiers; Aart de Kruif; J Govaere; Tom Vanholder; G Vercauteren; Geert Opsomer
Two atypical cases of granulosa cell tumours in Belgian Blue heifers.
Reproduction in domestic animals = Zuchthygiene 2011;46(4):746-9.
2011: S Piepers; K Peeters; Geert Opsomer; Herman W Barkema; K Frankena; Sarne De Vliegher
Pathogen group specific risk factors at herd, heifer and quarter levels for intramammary infections in early lactating dairy heifers.
Preventive veterinary medicine 2011;99(2-4):91-101.
2010: I Kolkman; Geert Opsomer; D Lips; B Lindenbergh; Aart de Kruif; Sarne De Vliegher
Pre-operative and operative difficulties during bovine caesarean section in Belgium and associated risk factors.
Reproduction in domestic animals = Zuchthygiene 2010;45(6):1020-7.
2010: P Bossaert; H De Cock; J L M R Leroy; S De Campeneere; P E J Bols; M Filliers; Geert Opsomer
Immunohistochemical visualization of insulin receptors in formalin-fixed bovine ovaries post mortem and in granulosa cells collected in vivo.
Theriogenology 2010;73(9):1210-9.
2009: P Bossaert; J L M R Leroy; S De Campeneere; Sarne De Vliegher; Geert Opsomer
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.
Journal of dairy science 2009;92(9):4404-11.
2009: S Piepers; Geert Opsomer; Evelyne Meyer; K Demeyere; Herman W Barkema; Aart de Kruif; Sarne De Vliegher
Heifer and quarter characteristics associated with periparturient blood and milk neutrophil apoptosis in healthy heifers and in heifers with subclinical mastitis.
Journal of dairy science 2009;92(9):4330-9.
2009: S Piepers; Sarne De Vliegher; Aart de Kruif; Geert Opsomer; Herman W Barkema
Impact of intramammary infections in dairy heifers on future udder health, milk production, and culling.
Veterinary microbiology 2009;134(1-2):113-20.
2009: S Piepers; Sarne De Vliegher; K Demeyere; B N Lambrecht; Aart de Kruif; Evelyne Meyer; Geert Opsomer
Technical note: Flow cytometric identification of bovine milk neutrophils and simultaneous quantification of their viability.
Journal of dairy science 2009;92(2):626-31.
2008: Boudewijn Catry; Luc Duchateau; J Van de Ven; Hans Laevens; Geert Opsomer; Freddy Haesebrouck; Aart de Kruif
Efficacy of metaphylactic florfenicol therapy during natural outbreaks of bovine respiratory disease.
Journal of veterinary pharmacology and therapeutics 2008;31(5):479-87.
2008: P Bossaert; J L M R Leroy; Sarne De Vliegher; Geert Opsomer
Interrelations between glucose-induced insulin response, metabolic indicators, and time of first ovulation in high-yielding dairy cows.
Journal of dairy science 2008;91(9):3363-71.
2008: Geert Hoflack; Wim Van den Broeck; Dominiek Maes; K Van Damme; Geert Opsomer; Luc Duchateau; Aart de Kruif; Heriberto Rodriguez-Martinez; Ann Van Soom
Testicular dysfunction is responsible for low sperm quality in Belgian Blue bulls.
Theriogenology 2008;69(3):323-32.
2008: Boudewijn Catry; Siska Croubels; Stefan Schwarz; Piet Deprez; Bianca Cox; Corinna Kehrenberg; Geert Opsomer; Annemie Decostere; Freddy Haesebrouck
Influence of systemic fluoroquinolone administration on the presence of Pasteurella multocida in the upper respiratory tract of clinically healthy calves.
Acta veterinaria Scandinavica 2008;50():36.
2007: I Kolkman; Sarne De Vliegher; Geert Hoflack; M Van Aert; J Laureyns; D Lips; Aart de Kruif; Geert Opsomer
Protocol of the Caesarean section as performed in daily bovine practice in Belgium.
Reproduction in domestic animals = Zuchthygiene 2007;42(6):583-9.
2007: Sofie Piepers; Luc De Meulemeester; Aart de Kruif; Geert Opsomer; Herman W Barkema; Sarne De Vliegher
Prevalence and distribution of mastitis pathogens in subclinically infected dairy cows in Flanders, Belgium.
The Journal of dairy research 2007;74(4):478-83.
2007: Geert Hoflack; Geert Opsomer; Tom Rijsselaere; Ann Van Soom; Dominiek Maes; Aart de Kruif; Luc Duchateau
Comparison of computer-assisted sperm motility analysis parameters in semen from Belgian blue and Holstein-Friesian bulls.
Reproduction in domestic animals = Zuchthygiene 2007;42(2):153-61.
2007: Jeroen Dewulf; Boudewijn Catry; T Timmerman; Geert Opsomer; Aart de Kruif; Dominiek Maes
Tetracycline-resistance in lactose-positive enteric coliforms originating from Belgian fattening pigs: degree of resistance, multiple resistance and risk factors.
Preventive veterinary medicine 2007;78(3-4):339-51.
2006: Geert Hoflack; Geert Opsomer; Ann Van Soom; Dominiek Maes; Aart de Kruif; Luc Duchateau
Comparison of sperm quality of Belgian Blue and Holstein Friesian bulls.
Theriogenology 2006;66(8):1834-46.
2006: Geert Hoflack; Ann Van Soom; Dominiek Maes; Aart de Kruif; Geert Opsomer; Luc Duchateau
Breeding soundness and libido examination of Belgian Blue and Holstein Friesian artificial insemination bulls in Belgium and The Netherlands.
Theriogenology 2006;66(2):207-16.
2006: Tom Timmerman; Jeroen Dewulf; Boudewijn Catry; Bianca Feyen; Geert Opsomer; Aart de Kruif; Dominiek Maes
Quantification and evaluation of antimicrobial drug use in group treatments for fattening pigs in Belgium.
Preventive veterinary medicine 2006;74(4):251-63.
2006: J L M R Leroy; Tom Vanholder; Geert Opsomer; Ann Van Soom; Aart de Kruif
The in vitro development of bovine oocytes after maturation in glucose and beta-hydroxybutyrate concentrations associated with negative energy balance in dairy cows.
Reproduction in domestic animals = Zuchthygiene 2006;41(2):119-23.
2006: Tom Vanholder; Geert Opsomer; Aart de Kruif
Aetiology and pathogenesis of cystic ovarian follicles in dairy cattle: a review.
Reproduction, nutrition, development 2006;46(2):105-19.
2006: Tom Vanholder; J Lmr Leroy; Ann Van Soom; Dominiek Maes; Marc Coryn; T Fiers; Aart de Kruif; Geert Opsomer
Effect of non-esterified fatty acids on bovine theca cell steroidogenesis and proliferation in vitro.
Animal reproduction science 2006;92(1-2):51-63.
2006: Tom Vanholder; J L M R Leroy; Ann Van Soom; Marc Coryn; Aart de Kruif; Geert Opsomer
Effects of beta-OH butyrate on bovine granulosa and theca cell function in vitro.
Reproduction in domestic animals = Zuchthygiene 2006;41(1):39-40.
2005: J L M R Leroy; Geert Opsomer; Sarne De Vliegher; Tom Vanholder; L Goossens; A Geldhof; P E J Bols; Aart de Kruif; Ann Van Soom
Comparison of embryo quality in high-yielding dairy cows, in dairy heifers and in beef cows.
Theriogenology 2005;64(9):2022-36.
2005: J L M R Leroy; Tom Vanholder; Bart Mateusen; A Christophe; Geert Opsomer; Aart de Kruif; G Genicot; Ann Van Soom
Non-esterified fatty acids in follicular fluid of dairy cows and their effect on developmental capacity of bovine oocytes in vitro.
Reproduction (Cambridge, England) 2005;130(4):485-95.
2005: Tom Vanholder; J L M R Leroy; Jeroen Dewulf; Luc Duchateau; Marc Coryn; Aart de Kruif; Geert Opsomer
Hormonal and metabolic profiles of high-yielding dairy cows prior to ovarian cyst formation or first ovulation post partum.
Reproduction in domestic animals = Zuchthygiene 2005;40(5):460-7.
2005: Geert Hoflack; Tom Rijsselaere; Dominiek Maes; Jeroen Dewulf; Geert Opsomer; Aart de Kruif; Ann Van Soom
Validation and usefulness of the Sperm Quality Analyzer (SQA II-C) for bull semen analysis.
Reproduction in domestic animals = Zuchthygiene 2005;40(3):237-44.
2005: Tom Vanholder; J L M R Leroy; A Van Soom; Geert Opsomer; Dominiek Maes; Marc Coryn; Aart de Kruif
Effect of non-esterified fatty acids on bovine granulosa cell steroidogenesis and proliferation in vitro.
Animal reproduction science 2005;87(1-2):33-44.
2005: Luc Duchateau; Geert Opsomer; Jeroen Dewulf; Paul Janssen
The non-linear effect (determined by the penalised partial-likelihood approach) of milk-protein concentration on time to first insemination in Belgian dairy cows.
Preventive veterinary medicine 2005;68(2-4):81-90.
2005: Sarne De Vliegher; Herman W Barkema; Henrik Stryhn; Geert Opsomer; Aart de Kruif
Impact of early lactation somatic cell count in heifers on milk yield over the first lactation.
Journal of dairy science 2005;88(3):938-47.
2005: Sarne De Vliegher; Herman W Barkema; Geert Opsomer; Aart de Kruif; Luc Duchateau
Association between somatic cell count in early lactation and culling of dairy heifers using cox frailty models.
Journal of dairy science 2005;88(2):560-8.
2005: Boudewijn Catry; Freddy Haesebrouck; Sarne De Vliegher; Bianca Feyen; MIA VANROBAEYS; Geert Opsomer; Stefan Schwarz; Aart De Kruif
Variability in acquired resistance of Pasteurella and Mannheimia isolates from the nasopharynx of calves, with particular reference to different herd types.
Microbial drug resistance (Larchmont, N.Y.) 2005;11(4):387-94.
2004: Boudewijn Catry; Geert Opsomer; Annemie Decostere; Bianca Feyen; Aart de Kruif; Freddy Haesebrouck
Fatal meningitis in a calf caused by Mannheimia varigena.
Research in veterinary science 2004;77(3):187-8.
2004: Sarne De Vliegher; Herman W Barkema; Henrik Stryhn; Geert Opsomer; Aart de Kruif
Impact of early lactation somatic cell count in heifers on somatic cell counts over the first lactation.
Journal of dairy science 2004;87(11):3672-82.
2004: J L M R Leroy; Tom Vanholder; J R Delanghe; Geert Opsomer; Ann Van Soom; P E J Bols; Jeroen Dewulf; Aart de Kruif
Metabolic changes in follicular fluid of the dominant follicle in high-yielding dairy cows early post partum.
Theriogenology 2004;62(6):1131-43.
2004: Sarne De Vliegher; Geert Opsomer; A Vanrolleghem; L A Devriese; Otlis Sampimon; Jan Sol; Herman W Barkema; Freddy Haesebrouck; Aart de Kruif
In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers.
Veterinary microbiology 2004;101(3):215-21.
2004: Sarne De Vliegher; Hans Laevens; Herman W Barkema; Ian R Dohoo; Henrik Stryhn; Geert Opsomer; Aart de Kruif
Management practices and heifer characteristics associated with early lactation somatic cell count of Belgian dairy heifers.
Journal of dairy science 2004;87(4):937-47.
2004: Boudewijn Catry; Margo Baele; Geert Opsomer; Aart de Kruif; Annemie Decostere; Freddy Haesebrouck
tRNA-intergenic spacer PCR for the identification of Pasteurella and Mannheimia spp.
Veterinary microbiology 2004;98(3-4):251-60.
2004: J L M R Leroy; Tom Vanholder; J R Delanghe; Geert Opsomer; Ann Van Soom; P E J Bols; Aart de Kruif
Metabolite and ionic composition of follicular fluid from different-sized follicles and their relationship to serum concentrations in dairy cows.
Animal reproduction science 2004;80(3-4):201-11.
2003: Sarne De Vliegher; Hans Laevens; Herman W Barkema; Geert Opsomer; T Hemling; Aart de Kruif
Short-term effect of transition from conventional to automated milking on teat skin and teat end condition.
Journal of dairy science 2003;86(5):1646-52.
2003: Sarne De Vliegher; Hans Laevens; L A Devriese; Geert Opsomer; J L M Leroy; Herman W Barkema; Aart de Kruif
Prepartum teat apex colonization with Staphylococcus chromogenes in dairy heifers is associated with low somatic cell count in early lactation.
Veterinary microbiology 2003;92(3):245-52.
2003: Boudewijn Catry; Hans Laevens; L A Devriese; Geert Opsomer; Aart de Kruif
Antimicrobial resistance in livestock.
Journal of veterinary pharmacology and therapeutics 2003;26(2):81-93.
2002: Tom Vanholder; Geert Opsomer; J L J Govaere; Marc Coryn; Aart de Kruif
[Cystic ovarian disease in dairy cattle: aetiology, pathogenesis, and risk factors].
Tijdschrift voor diergeneeskunde 2002;127(5):146-55.
2001: Geert Opsomer; H De Bosschere; G Vanroose; Geert Hoflack; Sarne De Vliegher; Aart de Kruif
Aggressive angiomyxoma in a cow.
The Veterinary record 2001;149(19):594-5.
2000: D Hoeben; Erica Monfardini; Geert Opsomer; Christian Burvenich; Hilde Dosogne; A De Kruif; JF Beckers
Chemiluminescence of bovine polymorphonuclear leucocytes during the periparturient period and relation with metabolic markers and bovine pregnancy-associated glycoprotein.
The Journal of dairy research 2000;67(2):249-59.
2000: Geert Opsomer; Yrjö T Gröhn; Julia A Hertl; Marc Coryn; H Deluyker; Aart de Kruif
Risk factors for post partum ovarian dysfunction in high producing dairy cows in Belgium: a field study.
Theriogenology 2000;53(4):841-57.
1999: Geert Opsomer; T Wensing; Hans Laevens; Marc Coryn; Aart de Kruif
Insulin resistance: the link between metabolic disorders and cystic ovarian disease in high yielding dairy cows?
Animal reproduction science 1999;56(3-4):211-22.
1999: Geert Opsomer; Aart de Kruif
[Postpartum anestrus in dairy cattle--a review].
Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere 1999;27(1):30-5.
1998: Geert Opsomer; L Laurier; Aart de Kruif; R D Murray
Left displaced abomasum: considerations of treatment method and a case report of mesenteric torsion after rolling.
The Veterinary quarterly 1998;20(1):22-4.
1996: Geert Opsomer; P Mijten; Marc Coryn; Aart de Kruif
Post-partum anoestrus in dairy cows: a review.
The Veterinary quarterly 1996;18(2):68-75.
1992: Aart de Kruif; P Mijten; J Van den Branden; Geert Opsomer
[Reproduction of beef cattle].
Tijdschrift voor diergeneeskunde 1992;117(5):133-8.
1991: Geert Opsomer; Aart de Kruif
[A case of congenital porphyria in a calf].
Tijdschrift voor diergeneeskunde 1991;116(15-16):773-6.