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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

Coagulase-negative staphylococci (CNS) have become the main pathogens causing bovine mastitis in recent years. A huge variation in species distribution among herds has been observed in several studies, emphasizing the need to identify subgroup- and species-specific herd-level factors to improve our ...

Author(s)
Visscher, A. de; Piepers, S.; Haesebrouck, F.; Supré, K.; Vliegher, S. de
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 1, pp 629-642
Abstract

Heifer mastitis is a well-known problem, with several pathogens being involved. Several generic risk factors associated with the likelihood of intramammary infections (IMI) in fresh dairy heifers have been identified before. Yet, a need exists to identify pathogen group-specific factors, as the...

Author(s)
Passchyn, P.; Piepers, S.; Vliegher, S. de
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 10, pp 6260-6270
Abstract

A cross-sectional study on clinical mastitis, intramammary infection (IMI) and blind quarters was conducted on 50 smallholder dairy farms in Jimma, Ethiopia. A questionnaire was performed, and quarters of 211 cows were sampled and bacteriologically cultured. Risk factors at the herd, cow, and...

Author(s)
Tolosa, T.; Verbeke, J.; Ayana, Z.; Piepers, S.; Supré, K.; Vliegher, S. de
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2015, 120, 3/4, pp 306-312
Abstract

The chemokine (C-X-C motif) receptor 1 (CXCR1) gene encodes the homonymous receptor for interleukin 8 (IL8) on polymorphonuclear neutrophilic leucocytes (PMNL). Binding causes migration from blood to milk, activation and prolonged survival of PMNL, a crucial process in the innate immune defence of...

Author(s)
Verbeke, J.; Piepers, S.; Peelman, L.; Poucke, M. van; Vliegher, S. de
Publisher
Cambridge University Press, Cambridge, UK
Citation
Journal of Dairy Research, 2012, 79, 3, pp 341-351
Abstract

In many parts of the world, coagulase-negative staphylococci (CNS) are the predominant cause of intramammary infections (IMI) in dairy cows and in water buffaloes, as well. A longitudinal field study was carried out on one well-managed dairy water buffalo herd to determine the prevalence and...

Author(s)
Locatelli, C.; Piepers, S.; Vliegher, S. de; Barberio, A.; Supré, K.; Scaccabarozzi, L.; Pisoni, G.; Bronzo, V.; Haesebrouck, F.; Moroni, P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 6, pp 3799-3805
Abstract

Heifer mastitis is a disease that potentially threatens production and udder health in the first and subsequent lactations. In general, coagulase-negative staphylococci (CNS) are the predominant cause of intramammary infection and subclinical mastitis in heifers around parturition, whereas ...

Author(s)
Vliegher, S. de; Fox, L. K.; Piepers, S.; McDougall, S.; Barkema, H. W.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2012, 95, 3, pp 1025-1040
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

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

A longitudinal study in 3 dairy herds was conducted to profile the distribution of coagulase-negative Staphylococcus (CNS) species causing bovine intramammary infection (IMI) using molecular identification and to gain more insight in the pathogenic potential of CNS as a group and of the most...

Author(s)
Supré, K.; Haesebrouck, F.; Zadoks, R. N.; Vaneechoutte, M.; Piepers, S.; Vliegher, S. de
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2011, 94, 5, pp 2329-2340

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