Death losses for lactating cows in herds enrolled in dairy herd improvement test plans

Journal of Dairy Science

Volumn 91, Issue 9, 2008, Pages 3710-3715

  Miller, R H ^a   Kuhn, M T ^a   Norman, H D ^a   Wright, J R ^a  

^a AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

Death frequency; Death loss; Lactation termination

Indexed keywords

EID: 52649131822     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2007-0943     Document Type: Article

References (21)

1. Animal Improvement Programs Laboratory. 2007. Reference 10. Cow destination group, http://aipl.arsusda.gov/formats/ref.10.html Accessed Nov. 15, 2007.
2. Dematawewa, C. M. B., and P. J. Berger. 1998. Genetic and phenotypic parameters for 305-day yield, fertility, and survival in Holsteins. J. Dairy Sci. 81:2700-2709.
3. Dempster, E. R., and I. M. Lerner. 1950. Heritability of threshold characters. Genetics 35:212-235.
4. Fetrow, J., K. V. Nordlund, and H. D. Norman. 2006. Invited review: Culling: nomenclature, definitions, and recommendations. J. Dairy Sci. 89:1896-1905.
5. Gardner, I. A., D. W. Hird, W. W. Utterback, C. Danaye-Elmi, B. R. Heron, K. H. Christiansen, and W. M. Sischo. 1990. Mortality, morbidity, case-fatality, and culling rates for California dairy cattle as evaluated by the National Animal Health Monitoring System, 1986-87. Prev. Vet. Med. 8:157-170.
6. Hare, E., H. D. Norman, and J. R. Wright. 2004. Duration of herd participation in Dairy Herd Improvement milk recording in the United States. J. Dairy Sci. 87:2743-2747.
7. Karuppanan, P., M. C. Thurmond, and I. A. Gardner. 1997. Survivorship approaches to measuring and comparing cull rates for dairies. Prev. Vet. Med. 30:171-179.
8. Menzies, F. D., D. G. Bryson, T. McCallion, and D. I. Matthews. 1995. A study of mortality among suckler and dairy cows in Northern Ireland in 1992. Vet. Rec. 137:531-536.
9. Milian-Suazo, F., H. N. Erb, and R. D. Smith. 1988. Descriptive epidemiology of culling in dairy cows from 34 herds in New York State. Prev. Vet. Med. 6:243-251.
10. Nørgaard, N. H., K. M. Lind, and J. F. Agger. 1999. Cointegration analysis used in a study of dairy-cow mortality. Prev. Vet. Med. 42:99-119.
11. SAS Institute Inc. 2004. SAS OnlineDoc 9.1.2. http://support.sas.com/ onlinedoc/912/docMainpage.jsp Accessed Oct. 28, 2007.
12. Sigurdarson, S., and T. Thorsteinsson. 1990. Sudden death of Icelandic dairy cattle. Vet. Rec. 127:410.
13. Smith, J. W., L. O. Ely, and A. M. Chapa. 2000. Effect of region, herd size, and milk production on reasons cows leave the herd. J. Dairy Sci. 83:2980-2987.
14. Stevenson, M. A., and I. J. Lean. 1998. Descriptive epidemiological study on culling and deaths in eight dairy herds. Aust. Vet. J. 76:482-488.
15. Stone, W. C., C. L. Guard, and D. A. Button. 2006. Why do cows die? Hoard's Dairyman 151:117.
16. Thomsen, P. T., and H. Houe. 2006. Dairy cow mortality. A review. Vet. Q. 28:122-129.
17. Thomsen, P. T., A. M. Kjeldsen, J. T. Sørensen, and H. Houe. 2004. Mortality (including euthanasia) among Danish dairy cows (1990-2001). Prev. Vet. Med. 62:19-33.
18. USDA. 2003. Transcript of Agriculture Secretary Ann M. Veneman announces additional protection measures to guard against BSE, Washington, DC, Dec. 30, 2003. Release no. 0450.03. Office of Communications, USDA, Washington, DC.
19. VanRaden, P. M., C. M. B. Dematawewa, R. E. Pearson, and M. E. Tooker. 2006. Productive life including all lactations and longer lactations with diminishing credits. J. Dairy Sci. 89:3213-3220.
20. Weigel, K. A., R. W. Palmer, and D. Z. Caraviello. 2003. Investigation of factors affecting voluntary and involuntary culling in expanding dairy herds in Wisconsin using survival analysis. J. Dairy Sci. 86:1482-1486.
21. Young, A. 2002. Death loss of lactating cows-A major problem, http://extension.usu.edu/files/publications/newsletter/pub_7133118.pdf Accessed Oct. 26, 2007.