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Abstract

The dynamic interaction between the host and pathogens, along with environmental factors, influences the regulation of mammalian immune responses. Therefore, comprehensive in vivo immune-phenotyping during an active response to a pathogen can be complex and prone to confounding effects. Evaluating...

Author(s)
Emam, M.; Tabatabaei, S.; Sargolzaei, M.; Sharif, S.; Schenkel, F.; Mallard, B.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 10, pp 9107-9116
Abstract

In dairy cattle, mastitis is the most frequent bacterial disease, and the routine use of antibiotics for treatment and prevention can drive antimicrobial resistance (AMR). The aim of our study was to estimate the levels of AMR of the 3 main bacteria isolated from dairy cattle with mastitis in...

Author(s)
Boireau, C.; Cazeau, G.; Jarrige, N.; Calavas, D.; Madec, J. Y.; Leblond, A.; Haenni, M.; Gay, É.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 10, pp 9451-9462
Abstract

The objective of this study was to evaluate different durations of whole raw soybean (WS) supplementation (diet rich in n-6 fatty acid) during the prepartum period on cellular immune function of dairy cows in the transition period and early lactation. Thirty-one Holstein cows were used in a...

Author(s)
Gardinal, R.; Calomeni, G. D.; Zanferari, F.; Vendramini, T. H. A.; Takiya, C. S.; Bertagnon, H. G.; Batista, C. F.; Libera, A. M. M. P. della; Renno, F. P.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 1, pp 661-674
Abstract

Mastitis is the most prevalent and costly disease in dairy cattle worldwide, with implications for animal health and welfare as well as production and economics. Nonlactating heifers are an often-neglected group of animals concerning mastitis management, as they are assumed to be free of mastitis....

Author(s)
Naqvi, S. A.; Buck, J. de; Dufour, S.; Barkema, H. W.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 4, pp 3233-3247
Abstract

High-producing dairy cows typically experience immunosuppression with dysregulated neutrophil function (e.g., compromised phagocytosis) during the transition period (3 wk before to 3 wk after parturition), which is causally associated with increased risk of infections. Enhanced neutrophil immune...

Author(s)
Wu, Z. H.; Yu, Y.; Alugongo, G. M.; Xiao, J. X.; Cao, Z. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 9, pp 7549-7555
Abstract

The aim of this study was to investigate the effects of N-acetylcysteine (NAC) on antibiotic susceptibility of bovine mastitis pathogens including Staphylococcus aureus, Streptococcus dysgalactiae, Escherichia coli, and Streptococcus agalactiae. Minimum inhibitory concentrations (MIC) were tested...

Author(s)
Yang, F.; Liu, L. H.; Li, X. P.; Luo, J. Y.; Zhang, Z.; Yan, Z. T.; Zhang, S. D.; Li, H. S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 6, pp 4300-4302
Abstract

The prevalence of antimicrobial resistance (AMR) is increasing in human and animal pathogens, becoming a concern worldwide. However, prevalence and characteristics of AMR of bovine mastitis pathogens in large Chinese dairy herds are still unclear. Therefore, our objective was to determine the AMR...

Author(s)
Cheng Jia; Qu WeiJie; Barkema, H. W.; Nobrega, D. B.; Gao Jian; Liu Gang; Buck, J. de; Kastelic, J. P.; Sun Hong; Han Bo
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 3, pp 2416-2426
Abstract

The aim of this study was to determine the microbiological quality of raw cow milk from direct sale points. Raw cow milk samples were collected from 5 randomly selected direct sale points for microbiological evaluation. The samples were analyzed to determine total aerobic bacterial count, somatic...

Author(s)
Pyz-Łukasik, R.; Paszkiewicz, W.; Tatara, M. R.; Brodzki, P.; Bełkot, Z.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2015, 98, 7, pp 4294-4301
Abstract

The objectives of this study were to evaluate (1) the performance of an automated health-monitoring system (AHMS) to identify cows with mastitis based on an alert system (health index score, HIS) that combines rumination time and physical activity; (2) the number of days between the first HIS alert ...

Author(s)
Stangaferro, M. L.; Wijma, R.; Caixeta, L. S.; Al-Abri, M. A.; Giordano, J. O.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2016, 99, 9, pp 7411-7421
Abstract

Reduction in long-term milk yields represents a notable share of the economic losses caused by bovine mastitis. Efficient, economic, and safe measures to prevent these losses require knowledge of the causal agent of the disease. The aim of this study was to investigate pathogen-specific impacts of...

Author(s)
Heikkilä, A. M.; Liski, E.; Pyörälä, S.; Taponen, S.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 10, pp 9493-9504

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