Journal of Dairy Science
Volume 91, Issue 6 , Pages 2196-2204 , June 2008

Effects of Repeated Episodes of Generic Clinical Mastitis on Mortality and Culling in Dairy Cows

  • D. Bar

      Affiliations

    • Section of Epidemiology, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • Corresponding Author InformationCorresponding author.
    • ,
  • Y.T. Gröhn

      Affiliations

    • Section of Epidemiology, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • ,
  • G. Bennett

      Affiliations

    • Quality Milk Production Services, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • ,
  • R.N. González

      Affiliations

    • Quality Milk Production Services, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • ,
  • J.A. Hertl

      Affiliations

    • Section of Epidemiology, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • ,
  • H.F. Schulte

      Affiliations

    • Quality Milk Production Services, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • ,
  • L.W. Tauer

      Affiliations

    • Department of Applied Economics and Management, College of Agriculture and Life Sciences, Cornell University, Ithaca, NY 14853
    • ,
  • F.L. Welcome

      Affiliations

    • Quality Milk Production Services, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853
    • ,
  • Y.H. Schukken

      Affiliations

    • Quality Milk Production Services, Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853

Received 19 June 2007 ,Accepted 21 January 2008.

References 

  1. Allison PA. Survival Analysis Using the SAS System: A Practical Guide. Cary, NC: SAS Institute Inc; 1995;
  2. Bar D, Gröhn YT, Bennett G, González RN, Hertl JA, Schulte HF, et al. Effect of repeated episodes of generic clinical mastitis on milk yield in dairy cows. J. Dairy Sci. 2007;90:4643–4653
  3. Barkema HW, Schukken YH, Lam TJ, Beiboer ML, Wilmink H, Benedictus G, et al. Incidence of clinical mastitis in dairy herds grouped in three categories by bulk milk somatic cell counts. J. Dairy Sci. 1998;81:411–419
  4. Burton JL, Erskine RJ. Immunity and mastitis. Some new ideas for an old disease. Vet. Clin. North Am. Food Anim. Pract. 2003;19:1–45
  5. De Vliegher S, Barkema HW, Opsomer G, de Kruif A, Duchateau L. Association between somatic cell count in early lactation and culling of dairy heifers using Cox frailty models. J. Dairy Sci. 2005;88:560–568
  6. Döpfer D, Barkema HW, Lam TJ, Schukken YH, Gaastra W. Recurrent clinical mastitis caused by Escherichia coli in dairy cows. J. Dairy Sci. 1999;82:80–85
  7. Esslemont RJ, Kossaibati MA. Culling in 50 dairy herds in England. Vet. Rec. 1997;140:36–39
  8. Gröhn YT, Eicker SW, Ducrocq V, Hertl JA. Effect of diseases on the culling of Holstein dairy cows in New York State. J. Dairy Sci. 1998;81:966–978
  9. Gröhn YT, González RN, Wilson DJ, Hertl JA, Bennett G, Schulte H, et al. Effect of pathogen-specific clinical mastitis on herd life in two New York State dairy herds. Prev. Vet. Med. 2005;71:105–125
  10. Gröhn YT, Wilson DJ, González RN, Hertl JA, Schulte H, Bennett G, et al. Effect of pathogen-specific clinical mastitis on milk yield in dairy cows. J. Dairy Sci. 2004;87:3358–3374
  11. Hadley GL, Wolf CA, Harsh SB. Dairy cattle culling patterns, explanations, and implications. J. Dairy Sci. 2006;89:2286–2296
  12. Hedeker D, Siddiqui O, Hu FB. Random-effects regression analysis of correlated grouped-time survival data. Stat. Methods Med. Res. 2000;9:161–179
  13. Houben EHP, Dijkhuizen AA, van Arendonk JAM, Huirne R. Short- and long-term production losses and repeatability of clinical mastitis in dairy cattle. J. Dairy Sci. 1993;76:2561–2578
  14. Lehtolainen T, Suominen S, Kutila T, Pyorala S. Effect of intramammary Escherichia coli endotoxin in early- vs. late-lactating dairy cows. J. Dairy Sci. 2003;86:2327–2333
  15. Neerhof HJ, Madsen P, Ducrocq VP, Vollema AR, Jensen J, Korsgaard IR. Relationships between mastitis and functional longevity in Danish Black and White dairy cattle estimated using survival analysis. J. Dairy Sci. 2000;83:1064–1071
  16. Rajala-Schultz PJ, Gröhn YT, McCulloch CE, Guard CL. Effects of clinical mastitis on milk yield in dairy cows. J. Dairy Sci. 1999;82:1213–1220
  17. SAS Institute. SAS OnlineDoc 9.1.3. Cary, NC: SAS Institute Inc; 2006;
  18. Schukken YH, Gröhn YT, McDermott B, McDermott JJ. Analysis of correlated discrete observations: Background, examples and solutions. Prev. Vet. Med. 2003;59:223–240
  19. Seegers H, Fourichon C, Beaudeau F. Production effects related to mastitis and mastitis economics in dairy cattle herds. Vet. Res. 2003;34:475–491
  20. Sviland S, Waage S. Clinical bovine mastitis in Norway. Prev. Vet. Med. 2002;54:65–78
  21. Thomsen PT, Kjelden AM, Sorensen JT, Houe H. Mortality (including euthanasia) among Danish dairy cows (1990–2001). Prev. Vet. Med. 2004;62:19–33
  22. Vangroenweghe F, Duchateau L, Burvenich C. Moderate inflammatory reaction during experimental Escherichia coli mastitis in primiparous cows. J. Dairy Sci. 2004;87:886–895
  23. Zadoks RN, Allore HG, Barkema HW, Sampimon OC, Wellenberg GJ, Gröhn YT, et al. Cow and quarter-level risk factors for Streptococcus uberis and Staphylococcus aureus mastitis. J. Dairy Sci. 2001;84:2649–2663

PII: S0022-0302(08)71170-6

doi: 10.3168/jds.2007-0460

Journal of Dairy Science
Volume 91, Issue 6 , Pages 2196-2204 , June 2008

Article Tools

* Image Usage & Resolution