A multivariate approach to modeling shapes of individual lactation curves in cattle

Journal of Dairy Science

Volumn 87, Issue 4, 2004, Pages 1092-1098

  Macciotta, N P P ^a   Vicario, D ^b   Di Mauro, Corrado ^a   Cappio Borlino, A ^a  

^a UNIVERSITY OF SASSARI   (Italy)

^b Italian Association of Simmental Breeders   (Italy)

Author keywords

Lactation curve; Lactation peak; Multivariate factor analysis; Test day

Indexed keywords

BOS TAURUS;

ANALYSIS OF VARIANCE; ANIMAL; ARTICLE; BIOLOGICAL MODEL; CATTLE; FEMALE; LACTATION; MATHEMATICS; PARITY; PHYSIOLOGY; SEASON;

ANALYSIS OF VARIANCE; ANIMALS; CATTLE; FEMALE; LACTATION; MATHEMATICS; MODELS, BIOLOGICAL; PARITY; SEASONS;

EID: 4243059573     PISSN: 00220302     EISSN: None     Source Type: Journal    
DOI: 10.3168/jds.S0022-0302(04)73255-5     Document Type: Article

References (27)

1. Bichard, M. 2002. Genetic improvement in dairy cattle - an outsider's perspective. Livest. Prod. Sci. 75:1-10.
2. Cerny, B. A., and H. F. Kaiser. 1977. A study of a measure of sampling adequacy for factor analytic correlation matrices. Multiv. Behav. Res. 12: 43-47.
3. Dekkers, J. C. M., J. H. Ten Hag, and A. Weersink. 1998. Economic aspects of persistency of lactation in dairy cattle. Livest. Prod. Sci. 53:237-252.
4. Enevoldsen, C., J. Hindhede, and T. Kristiensen. 1996. Dairy herd management types assessed from indicators of health, reproduction, replacement and milk production. J. Dairy Sci. 79:1221-1236.
5. France, J., and J. H. M. Thornley. 1984. Mathematical Models in Agriculture. Butterworths, London, UK.
6. Gengler, N. 1996. Persistency of lactation yields: A review. INTERBULL Bull. 12:87-96.
7. Groen, A. F., T. Steine, J. J. Colleau, J. Pedersen, J. Pribyl, and N. Reinsch. 1997. Economic values in dairy cattle breeding, with special reference to functional traits. Report of an EAAP-working group. Livest. Prod. Sci. 49:1-21.
8. Grossman, M., S. M. Hartz, and W. J. Koops. 1999. Persistency of lactation yield: A novel approach. J. Dairy Sci. 82:2192-2197.
9. Haile-Mariam, M., P. J. Bowman, and M. E. Goddard. 2003. Genetic and environmental relationship among calving interval, survival, persistency of milk yield and somatic cell count in dairy cattle. Livest. Prod. Sci. 80:189-200.
10. Jamrozik, J., G. Jensen, L. R. Schaeffer, and Z. Liu. 1998. Analysis of persistency of lactation calculated from a random regression test day model. INTERBULL Bull. 16:64-68.
11. Jakobsen, J., P. Madsen, J. Jensen, J. Peersen, L. G. Cristiensen, and D. A. Sorensen. 2002. Genetic parameters for milk production and persistency for Danish Holsteins estimated in random regression models using REML. J. Dairy Sci. 85:1607-1616.
12. Jensen, J. 2001. Genetic evaluation of dairy cattle using test day models. J. Dairy Sci. 84:2803-2812.
13. Macciotta, N. P. P., D. Vicario, G. Pulina, and A. Cappio-Borlino. 2002. An index of lactation persistency based on multivariate factor analysis. Pages 67-70 in Proc. 7th World Congress of Genetics Applied to Livestock Production, Montpellier, France.
14. McDonald, R. P. 1985. Factor analysis and related methods. Lawrence Erlbaum Associates Publishers, Mahwah, NJ.
15. Morrison, F. 1976. Multivariate Statistical Methods. McGraw-Hill, New York, NY.
16. Olori, V. E., S. Brotherstone, W. G. Hill, and B. J. McGuirk. 1999. Fit of standard models of the lactation curve to weekly records of milk production of cows in a single herd. Livest. Prod. Sci. 58:55-63.
17. Pryce, J. E., R. F. Veerkamp, R. Thompson, W. G. Hill, and G. Simm. 1997. Genetic aspects of common health disorders and measures of fertility in Holstein Friesian dairy cattle. Anim. Sci. 65:353-360.
18. Rekaya, R., K. A. Weigel, and D. Gianola. 2001. Hierarchical nonlinear model for the persistency of milk yield in the first three lactations of Holsteins. Livest. Prod. Sci. 68:181-187.
19. SAS. 1996. User's Guide: Statistics. SAS Inst, Cary, NC.
20. Schaeffer, L. R., and J. C. M. Dekkers. 1994. Random regressions in animal models for test day production in dairy cattle. Proc. 5th World Congr. Genet. Appl. Livest. Prod. 18:443-446.
21. Shanks, R. D., P. J. Berger, A. E. Freeman, and F. N. Dickinson. 1981. Genetic aspects of lactation curves. J. Dairy Sci. 64:1852-1860.
22. Sölkner, J., and W. Fuchs. 1987. A comparison of different measures of persistency with special respect to variation of test day yields. Livest. Prod. Sci. 16:305-319.
23. Stanton, T. L., L. R. Jones, R. W. Everett, and S. D. Kachman. 1992. Estimating milk, fat and protein lactation curves with a test day model. J. Dairy Sci. 75:1691-1700.
24. Swalve, H. H. 1995. Genetic relationship between dairy lactation persistency and yield. J. Anim. Breed. Genet. 112:303-311.
25. Swalve, H. H. 2000. Theoretical basis and computational methods for different test day genetic evaluation methods. J. Dairy Sci. 83:1115-1124.
26. Togashi, K., and C. Y. Lin. 2003. Modifying the lactation curve to improve lactation milk and persistency. J. Dairy Sci. 86:1487-1493.
27. Wilmink, J. B. M. 1987. Comparison of different methods of predicting 305-day milk yield using means calculated from within-herd lactation curves. Livest. Prod. Sci. 17:1-17.