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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
AbstractFull Text

BACKGROUND: Mastitis is the most economically important disease in dairy industry worldwide. Bulk tank milk (BTM) analysis has been suggested for monitoring the udder health status at herd level. OBJECTIVES: A cross-sectional study was conducted to evaluate udder health status in 15 Holstein dairy...

Author(s)
Afsah, T. M.; Vojgani, M.; Gharagozlou, F.; Akbarinejad, V.
Publisher
Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
Citation
Iranian Journal of Veterinary Medicine, 2014, 8, 4, pp 255-260, 303
AbstractFull Text

This study was conducted to determine the incidence of mammary infections in dairy cows during drying and subsequent lactation immediately after calving, and to assess the efficacy of a therapeutic or prophylaxis programme for dry cows in a herd of high production at Sao Paulo, Brazil. The study...

Author(s)
Troncarelli, M. Z.; Wanderley, G. G.; Salina, A.; Menozzi, B. D.; Silva, C. P. C. da; Portela, L. M. F.; Langoni, H.
Publisher
Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, Brazil
Citation
Veterinária e Zootecnia, 2013, 20, 2, Supl. 1, pp 27-29
Abstract

The objective of this study was to estimate the effects of pathogen-specific clinical mastitis (CM), occurring in different weekly intervals before or after artificial insemination (AI), on the probability of conception in Holstein cows. Clinical mastitis occurring in weekly intervals from 6 wk...

Author(s)
Hertl, J. A.; Schukken, Y. H.; Welcome, F. L.; Tauer, L. W.; Gröhn, Y. T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2014, 97, 11, pp 6942-6954
Abstract

We examined the effects of naturally occurring mastitis on bovine oocyte developmental competence in vitro. Specifically, we investigated the effects of intramammary infection on the ovarian pool of oocytes (i.e., follicle-enclosed oocytes) and their ability to undergo in vitro maturation,...

Author(s)
Roth, Z.; Dvir, A.; Kalo, D.; Lavon, Y.; Krifucks, O.; Wolfenson, D.; Leitner, G.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2013, 96, 10, pp 6499-6505
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

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

The aim of this study was to estimate genetic correlations (ra) between 2 lactation average somatic cell count (LASCC) traits and 6 different mastitis traits in 226,482 first-parity Danish Holstein cows that calved between 1998 and 2008. The LASCC traits were defined from 5 to either 170 d...

Author(s)
Sørensen, L. P.; Mark, T.; Madsen, P.; Lund, M. S.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2009, 92, 7, pp 3457-3471
Abstract

The aim of this study was to investigate whether quantitative trait loci (QTL) affecting the risk of clinical mastitis (CM) and QTL affecting somatic cell score (SCS) exhibit pathogen-specific effects on the incidence of mastitis. Bacteriological data on mastitis pathogens were used to investigate...

Author(s)
Sørensen, L. P.; Guldbrandtsen, B.; Thomasen, J. R.; Lund, M. S.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2008, 91, 6, pp 2493-2500
Abstract

Author(s)
Vural, R.; Esendal, Ö.; İzgür, H.; Aslan, S.; Kiliçoğlu, Ç.
Citation
Veteriner Fakültesi Dergisi, Ankara Üniversitesi, 1999, 46, 2/3, pp 277-286

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