Variance components for test-day milk, fat, and protein yield, and somatic cell score for analyzing management information

Journal of Dairy Science

Volumn 91, Issue 8, 2008, Pages 3268-3276

  Caccamo, M ^a   Veerkamp, R F ^b   De Jong, G ^c   Pool, M H ^b   Petriglieri, R ^a   Licitra, G ^a  

^a Research Section for Nutraceuticals and Health Products   (Italy)

^b WAGENINGEN UNIVERSITY   (Netherlands)

^c NRS   (Netherlands)

Author keywords

Dairy cattle; Herd management; Test day yield

Indexed keywords

ANIMALIA; BOS;

EID: 49749121485     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2007-0805     Document Type: Article

References (21)

1. De Roos, A. P. W., A. G. F. Harbers, and G. de Jong. 2004. Random herd curves in a test-day model for milk, fat, and protein production of dairy cattle in the Netherlands. J. Dairy Sci. 87:2693-2701.
2. Everett, R. W., F. Schmidt, and L. H. Wadell. 1994. A test-day model for monitoring management and genetics in dairy cattle. J. Dairy Sci. 77(Suppl. 1):267. (Abstr.)
3. Gengler, N., and G. R. Wiggans. 2001. Variance of effects of lactation stage within herd by herd yield. J. Dairy Sci. 84(Suppl. 1):216. (Abstr.)
4. Gengler, N., G. R. Wiggans, and A. Gillon. 2004. Estimated heterogeneity of phenotypic variance of test-day yield with a structural variance model. J. Dairy Sci. 87:1908-1916.
5. Horan, B., P. Dillon, D. P. Berry, P. O'Connor, and M. Rath. 2004. The effect of strain of Holstein-Friesian, feeding system and parity on lactation curves characteristics of spring-calving dairy cows. Livest. Prod. Sci. 95:231-241.
6. Jamrozik, J., and L. R. Schaeffer. 1997a. Estimates of genetic parameters for a test day model with random regressions for yield traits of first lactation Holsteins. J. Dairy Sci. 80:762-770.
7. Jamrozik, J., L. R. Schaeffer, and J. C. M. Dekkers. 1997b. Genetic evaluation of dairy cattle using test day yields and random regression model. J. Dairy Sci. 80:1217-1226.
8. Janss, L. L. G., and G. De Jong. 1999. MCMC based estimation of variance components in a very large dairy cattle data set. Pages 63-68 in Interbull Bull. No. 20. Interbull, Tuusula, Finland.
9. Kirkpatrick, M., D. Lofsvold, and M. Bulmer. 1990. Analysis of the inheritance, selection and evolution of growth trajectories. Genetics 124:979-993.
10. Koivula, M., J. I. Nousiainen, J. Nousiainen, and E. A. Mäntysaari. 2007. Use of herd solutions from a random regression test-day model for diagnostic dairy herd management. J. Dairy Sci. 90:2563-2568.
11. Mayeres, P., J. Stoll, J. Bormann, R. Reents, and N. Gengler. 2004. Prediction of daily milk, fat, and protein production by a random regression test-day model. J. Dairy Sci. 87:1925-1933.
12. Pool, M. H., L. L. G. Janss, and T. H. E. Meuwissen. 2000. Genetic parameters of Legendre polynomials for first parity lactation curves. J. Dairy Sci. 83:2640-2649.
13. Pool, M. H., and T. H. E. Meuwissen. 1999. Prediction of daily milk yields from a limited number of test days using test day models. J. Dairy Sci. 82:1555-1564.
14. Ptak, E., and L. R. Schaeffer. 1993. Use of test day yields for genetic evaluation of dairy sires and cows. Livest. Prod. Sci. 34:23-34.
15. Reents, R., J. C. M. Dekkers, and L. R. Schaeffer. 1995. Genetic evaluation for somatic cell score with a test day model for multiple lactations. J. Dairy Sci. 78:2858-2870.
16. Rekik, B., and A. Ben Gara. 2004. Factors affecting the occurrence of atypical lactations for Holstein-Friesian cows. Livest. Prod. Sci. 87:245-250.
17. Schaeffer, L. R., and J. C. M. Dekkers. 1994. Random regressions in animal models for test-day production in dairy cattle. Page 443 in Proc. 5th World Congr. Genet. Appl. Livest. Prod., Guelph, Ontario, Canada.
18. Schaeffer, L. R., J. Jamrozik, G. J. Kistemaker, and B. J. Van Doormaal. 2000. Experience with a test-day model. J. Dairy Sci. 83:1135-1144.
19. Sorensen, D. 1997. Gibbs sampling in quantitative genetics. Internal Report No. 82. Danish Inst. Anim. Sci., Res. Ctr. Foulum, Tjele, Denmark.
20. Tekerli, M., Z. Akinci, I. Dogan, and A. Akcan. 2000. Factors affecting the shape of lactation curves of Holstein cows from the Balikesir province of Turkey. J. Dairy Sci. 83:1381-1386.
21. Van Kaam, J. B. C. H. M. 1998. Gibanal 2.9. Analyzing Program for Markov Chain Monte Carlo Sequences. Dept. Anim. Sci., Wageningen Agric. Univ., Wageningen, the Netherlands.