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Abstract

The objectives of this study were (1) to estimate costs related to 5 different pathogen-specific mastitis traits (susceptibility to different pathogens causing mastitis in dairy cattle) and unspecific mastitis, and (2) to compare selection differentials for an udder health index consisting of 5...

Author(s)
Sørensen, L. P.; Mark, T.; Sørensen, M. K.; Østergaard, S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 1, pp 358-369
Abstract

The objective of this study was to estimate the effects of recurrent episodes of different types of clinical mastitis (CM) caused by gram-positive (Streptococcus spp., Staphylococcus aureus, Staphylococcus spp.) and gram-negative (Escherichia coli, Klebsiella, Citrobacter, Enterobacter, ...

Author(s)
Hertl, J. A.; Schukken, Y. H.; Bar, D.; Bennett, G. J.; González, R. N.; Rauch, B. J.; Welcome, F. L.; Tauer, L. W.; Gröhn, Y. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2011, 94, 10, pp 4863-4877
Abstract

The aim of this study was to examine the bacterial flora of nasal cavity in apparently healthy and unhealthy Holstein cattle and determine the antimicrobial susceptibilities of Pasteurella multocida and Mannheimia haemolytica strains isolated from samples. Nasal swab samples were collected from 100 ...

Author(s)
Seker, E.; Kuyucuoglu, Y.; Konak, S.
Publisher
Medwell Online, Faisalabad, Pakistan
Citation
Journal of Animal and Veterinary Advances, 2009, 8, 11, pp 2355-2359
Abstract

Azithromycin is a time-dependent antimicrobial with long persistence. The main characteristics of azithromycin suggest that it could be useful for treating bovine mastitis caused by Staphylococcus aureus. To investigate this possibility, its pharmacokinetic (PK) behavior was studied. Six Holstein...

Author(s)
Lucas, M. F.; Errecalde, J. O.; Mestorino, N.
Publisher
Blackwell Publishing Ltd, Oxford, UK
Citation
Journal of Veterinary Pharmacology and Therapeutics, 2010, 33, 2, pp 132-140
Abstract

A study was conducted to identify the optimal temperature and time at which heat treatment of bovine colostrum would least change viscosity and IgG concentrations yet reduce bacterial count. First-milking colostrum with >50 g of immunoglobulins/L (measured by colostrometer) was collected from 30 ...

Author(s)
Elizondo-Salazar, J. A.; Jayarao, B. M.; Heinrichs, A. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 3, pp 961-967
Abstract

Neutrophils [polymorphonuclear neutrophilic leukocytes (PMNL)] were isolated from 26 Holstein cows in different physiological states (12±1.7 d prepartum, n=8; 7±0 d postpartum, n=9; 253±25.2 d postpartum, n=9) and incubated in vitro for 120 min in a factorial arrangement of treatments with 0, 1.5,...

Author(s)
Revelo, X. S.; Waldron, M. R.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 9, pp 3990-4005
Abstract

Coagulase-negative staphylococci (CNS) are the most prevalent cause of intramammary infections in heifers around calving, but Staphylococcus aureus should not be ignored because it is also prevalent, contagious, and more likely to persist into lactation. The objective of this study was to determine ...

Author(s)
Paradis, M. È.; Bouchard, É.; Scholl, D. T.; Miglior, F.; Roy, J. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2010, 93, 7, pp 2989-2997
Abstract

Mastitis is a common disease also among primiparous dairy cows. Identification of the extent and type of problem is important to initiate correct control measures. In Sweden, unique national production and disease databases are available. The main aim of the study was to investigate the occurrence...

Author(s)
Waller, K. P.; Bengtsson, B.; Lindberg, A.; Nyman, A.; Unnerstad, H. E.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 134, 1/2, pp 89-94
Abstract

Prevention of heifer mastitis is a key element in preventing mastitis. Since pathogenesis of heifer mastitis is not fully understood yet, combating it is arduous. The goal of this study was to examine whether the premature loss of the keratin plug of the teat canal represents an important risk...

Author(s)
Krömker, V.; Friedrich, J.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2009, 134, 1/2, pp 100-105
Abstract

The association of the polymorphism of bovine leukocyte antigen (BoLA-DRB3) genes identified by the polymerase chain reaction sequence-based typing (PCR-SBT) method with resistance and susceptibility to mastitis caused by pathogenic bacteria was investigated. Blood samples for DNA extraction were...

Author(s)
Yoshida, T.; Mukoyama, H.; Furuta, H.; Kondo, Y.; Takeshima, S.; Aida, Y.; Kosugiyama, M.; Tomogane, H.
Publisher
Blackwell Publishing, Melbourne, Australia
Citation
Animal Science Journal, 2009, 80, 5, pp 498-509

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