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VetMed Resource

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Abstract

Dairy heifers represent the future of a dairy herd, and are expected to freshen with a healthy and well-developed udder, capable of producing an optimal amount of high quality milk. A high proportion of heifers have infected mammary quarters at calving, with coagulase-negative staphylococci (CNS)...

Author(s)
Piepers, S.; Vliegher, S. de; Kruif, A. de; Opsomer, G.; Barkema, H. W.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 134, 1/2, pp 113-120
Abstract

Earlier field observations suggest that teat apex colonization by Staphylococcus chromogenes pre-partum in dairy heifers protects udder quarters against elevated somatic cell counts early post-partum. To explain these findings, the in vitro inhibitory capability of S. chromogenes from teat apices...

Author(s)
Vliegher, S. de; Opsomer, G.; Vanrolleghem, A.; Devriese, L. A.; Sampimon, O. C.; Sol, J.; Barkema, H. W.; Haesebrouck, F.; Kruif, A. de
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2004, 101, 3, pp 215-221
Abstract

Risk factors for intramammary infections caused by coagulase-negative staphylococci, contagious major pathogens and environmental major pathogens in early lactating heifers were evaluated at the herd, heifer and quarter levels. In total, 764 quarters of 191 dairy heifers in 20 randomly selected...

Author(s)
Piepers, S.; Peeters, K.; Opsomer, G.; Barkema, H. W.; Frankena, K.; Vliegher, S. de
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2011, 99, 2/4, pp 91-101
Abstract

A high number of dairy heifers freshen with udder health Problems. The prevalence of teat apex colonization (TAC) with Staphylococcus chromogenes, one of the most widespread coagulase-negative staphylococci (CNS) in milk samples from freshly calved dairy heifers, was measured cross-sectionally in...

Author(s)
Vliegher, S. de; Laevens, H.; Devriese, L. A.; Opsomer, G.; Leroy, J. L. M.; Barkema, H. W.; Kruif, A. de
Publisher
Elsevier Science B.V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2003, 92, 3, pp 245-252
Abstract

Intramammary infections (IMI) in recently calved dairy heifers are more common than was formerly believed but their relevance for future performance has been studied only rarely. In the present study, the association between the IMI status of fresh heifers and their subsequent udder health, milk...

Author(s)
Piepers, S.; Opsomer, G.; Barkema, H. W.; Kruif, A. de; Vliegher, S. de
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 5, pp 2014-2024
Abstract

Polymorphonuclear neutrophilic leukocytes (PMNL) play an important role in the first line cell-mediated immune defense of the body in general and of the mammary gland against mastitis pathogens in particular. Reduced viability of PMNL close to parturition may explain the high incidence of...

Author(s)
Piepers, S.; Opsomer, G.; Meyer, E.; Demeyere, K.; Barkema, H. W.; Kruif, A. de; Vliegher, S. de
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2009, 92, 9, pp 4330-4339
AbstractFull Text

The aim of this study was to describe the incidence of bacteria and fungi in the milk of dairy cows at the moment of drying off in 8 herds in North-East Poland. Additionally, tests for antibiotic sensitivity of the isolated bacteria were performed. In total, milk samples of 1145 quarters of 288...

Author(s)
Barański, W.; Raś, M.; Janowski, T.; Zduńczyk, S.; Dewulf, J.; Kruif, A. de; Vliegher, S. de; Opsomer, G.
Publisher
Polskiego Towarzystwa Nauk Weterynaryjnych, Lublin, Poland
Citation
Medycyna Weterynaryjna, 2008, 64, 3, pp 301-305

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