Effect of repeated episodes of generic clinical mastitis on milk yield in dairy cows

Journal of Dairy Science

Volumn 90, Issue 10, 2007, Pages 4643-4653

  Bar, D ^a   Grohn Y T ^a   Bennett, G ^a   Gonzalez R N ^a   Hertl, J A ^a   Schulte, H F ^a   Tauer, L W ^b   Welcome, F L ^a   Schukken, Y H ^a  

^a Department of Obstetrics Gynecology   (United States)

^b Plant Breeding and Genetics Section in the School of Integrative Plant Science   (United States)

Author keywords

Clinical mastitis; Dairy cow; Mixed model; Recurrent

Indexed keywords

BOS; BOVINAE;

EID: 35748968197     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2007-0145     Document Type: Article

References (14)

1. Barkema, H. W., Y. H. Schukken, T. J. Lam, M. L. Beiboer, H. Wilmink, G. Benedictus, and A. Brand. 1998. Incidence of clinical mastitis in dairy herds grouped in three categories by bulk milk somatic cell counts. J. Dairy Sci. 81:411-419.
2. Bradley, A. J., and M. J. Green. 2001. Adaptation of Escherichia coli to the bovine mammary gland. J. Clin. Microbiol. 39:1845-1849.
3. Döpfer, D., H. W. Barkema, T. J. Lam, Y. H. Schukken, and W. Gaastra. 1999. Recurrent clinical mastitis caused by Escherichia coli in dairy cows. J. Dairy Sci. 82:80-85.
4. Gröhn, Y. T., J. J. McDermott, Y. H. Schukken, J. A. Hertl, and S. W. Eicker. 1999. Analysis of correlated continuous repeated observations: Modelling the effect of ketosis on milk yield in dairy cows. Prev. Vet. Med. 39:137-153.
5. Gröhn, Y. T., D. J. Wilson, R. N. González, J. A. Hertl, H. Schulte, G. Bennett, and Y. H. Schukken. 2004. Effect of pathogen-specific clinical mastitis on milk yield in dairy cows. J. Dairy Sci. 87:3358-3374.
6. Houben, E. H. P., A. A. Dijkhuizen, J. A. M. van Arendonk, and R. Huirne. 1993. Short- and long-term production losses and repeatability of clinical mastitis in dairy cattle. J. Dairy Sci. 76:2561-2578.
7. Kleinbaum, D. G., L. L. Kupper, and H. Morgenstern. 1982. Epidemiologic Research. John Wiley and Sons, New York, NY.
8. Paape, M., J. Mehrzad, X. Zhao, J. Detilleux, and C. Burvenich. 2002. Defense of the bovine mammary gland by polymorphonuclear neutrophil leukocytes. J. Mammary Gland Biol. Neoplasia 7:109-121.
9. Rajala-Schultz, P. J., Y. T. Gröhn, C. E. McCulloch, and C. L. Guard. 1999. Effects of clinical mastitis on milk yield in dairy cows. J. Dairy Sci. 82:1213-1220.
10. SAS Institute. 2006. SAS OnlineDoc 9.1.3. SAS Institute Inc., Cary, NC.
11. Seegers, H., C. Fourichon, and F. Beaudeau. 2003. Production effects related to mastitis and mastitis economics in dairy cattle herds. Vet. Res. 34:475-491.
12. Sviland, S., and S. Waage. 2002. Clinical bovine mastitis in Norway. Prev. Vet. Med. 54:65-78.
13. Wilson, D. J., R. N. González, J. A. Hertl, H. Schulte, G. Bennett, Y. Schukken, and Y. Gröhn. 2004. Effect of clinical mastitis on the lactation curve: A mixed model estimation using daily milk weights. J. Dairy Sci. 87:2073-2084.
14. Zadoks, R. N., H. G. Allore, H. W. Barkema, O. C. Sampimon, G. J. Wellenberg, Y. T. Gröhn, and Y. H. Schukken. 2001. Cow and quarter-level risk factors for Streptococcus uberis and Staphylococcus aureus mastitis. J. Dairy Sci. 84:2649-2663.