Reduction of the number of parameters needed for a polynomial random regression test day model

Livestock Production Science

Volumn 64, Issue 2-3, 2000, Pages 133-145

  Pool, M H ^a   Meuwissen, T H E ^a  

^a WAGENINGEN UNIVERSITY   (Netherlands)

Author keywords

Breeding value estimation; Covariance functions; Heterogeneous variances; Random regression model; Test clay model

Indexed keywords

EID: 0034034734     PISSN: 03016226     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0301-6226(99)00166-9     Document Type: Article

References (21)

1. Ali T.E., Schaeffer L.R. Accounting for covariances among test day milk yields in dairy cows. Can. J. Anim. Sci. 67:1987;637-644.
2. Guo, Z., Swalve, H.H., 1997. Comparison of different lactation curve sub-models in test day models. INTERBULL Open Mtg., Vienna, 28-29 August. In: Bull. 16th Int. Bull Eval. Serv., Uppsala, pp. 75-79.
3. Henderson C.R. Applications of Linear Models in Animal Breeding. 1984;196-206 University of Guelph, Guelph.
4. Jamrozik J., Schaeffer L.R. Estimation of genetic parameters for a test day model with random regressions for yield traits of first lactation Holsteins. J. Dairy Sci. 80:1997;762-770.
5. Jamrozik J., Kistemaker G.J., Dekkers J.C.M., Schaeffer L.R. Comparison of possible covariates for use in a random regression model for analysis of test day yields. J. Dairy Sci. 80:1997;2550-2556.
6. Kettunen A., Mäntysaari E.A., Strandén I., Pösö J., Lidauer M. Estimation of genetic parameters for first lactation test day milk production using random regression models. Proc. 6th World Congr. Genet. Appl. Livest. Prod., Armidale :1998;307-310. Vol. 23.
7. Kirkpatrick M., Lofsvold D., Bulmer M. Analysis of the inheritance, selection and evolution of growth trajectories. Genetics. 124:1990;979-993.
8. Kirkpatrick M., Hill W.G., Thompson R. Estimating the covariance structure of traits during growth and ageing, illustrated with lactation in dairy cattle. Genet. Res. Camb. 64:1994;57-69.
9. Kistemaker, G.J., Schaeffer, L.R., 1998. Adjustment for heterogeneous Herd-Test-Day variances. INTERBULL Mtg., Rotorua, 18-19 January. In: Bull. 17th Int. Bull Eval. Serv., Uppsala, pp. 55-59.
10. Koenen E.P.C., Veerkamp R.F. Genetic covariance functions for live weight, condition score, and dry-matter intake measured at different lactation stages of Holstein Friesian heifers. Livest. Prod. Sci. 57:1998;67-77.
11. Liu, Z., Jamrozik, J., Jansen, G., 1998. A comparison of fixed and random regression models applied to dairy test day production data. INTERBULL Mtg., Rotorua, New Zealand, 18-19 January. In: Bull. 17th Int. Bull Eval. Serv., Uppsala, pp. 60-63.
12. Meuwissen T.H.E., De Jong G., Engel B. Joint estimation of breeding value and heterogeneous variances of large data files. J. Dairy Sci. 79:1996;310-316.
13. Meyer K. Estimating covariance functions for longitudinal data using a random regression model. Genet. Sel. Evol. 30:1998;221-240.
14. Patterson H.D., Thompson R. Recovery of inter-block information when block sizes are unequal. Biometrika. 58:1971;545-554.
15. Pool M.H., Meuwissen T.H.E. Prediction of daily milk yields from a limited number of test days using test day models. J. Dairy Sci. 82:1999;1555-1564.
16. Reents, R., Dopp, L., 1996. Genetic evaluation for dairy production traits with a test day model for multiple lactations. INTERBULL Open Mtg., Veldhoven, 23-24 June. In: Bull. 14th. Int. Bull Eval. Serv., Uppsala, pp. 113-117.
17. Schaeffer L.R., Dekkers J.C.M. Random regressions in animal models for test-day production in dairy cattle. Proc. 5th World Congr. Genet. Appl. Livest. Prod., Guelph :1994;443-446. Vol. 18.
18. Swalve H.H. Test day models in the analysis of dairy production data - a review. Arch. Tierz. 38:(6):1995;11-31.
19. Veerkamp R.F., Goddard M.E. Covariance functions across herd production levels for test day records on milk, fat and protein yield. J. Dairy Sci. 81:1998;1690-1701.
20. Veerkamp R.F., Thompson R. A covariance function for feed intake, liveweight and milk yield estimated using a random regression model. J. Dairy Sci. 82:1998;1565-1573.
21. Veerkamp, R.F., Brotherstone, S., Meuwissen, T.H.E., 1999. Survival analysis using random regression models. Workshop on Genetic Improvement of Functional Traits in Cattle-longevity - (GIFT), 9-11 May, Jouy-en-Josas.