References
- Gilmour , A. R. , Cullis , B. R. , Welham , S. J. and Thompson , R. 1998 . ASREML user's manual , NSW, , Australia : New South Wales Agriculture, Orange Agricultural Institute, Orange .
- Guo , Z. , Lund , M. S. , Madsen , P. , Korsgaard , I. and Jensen , J. 2002 . Genetic parameter estimation for milk yield over multiple parities and various lengths of lactation in Danish Jerseys by random regression models . J. Dairy Sci. , 85 : 1596 – 1606 .
- Kadarmideen , H. N. , Thompson , R. , Coffey , M. P. , Mohamad , A. and Kossaibati , G. 2003 . Genetic parameters and evaluations from single- and multiple trait analysis of dairy cow fertility and milk production . Livestock Prod. Sci. , 81 : 183 – 195 .
- Minitab . 1998 . MINITAB Reference Manual for Windows. Release 12 , State College, Pennsylvania : Minitab Inc. .
- Meyer , K. and Hill , W. G. 1997 . Estimation of genetic and phenotypic covariance functions for longitudinal or “repeated” records by restricted maximum likelihood . Livestock Prod. Sci. , 47 : 185 – 200 .
- Nizamani , A. H. and Berger , P. J. 1996 . Estimates of genetic trend for yield traits of the registered Jersey population . J. Dairy. Sci. , 79 : 487 – 494 .
- Ojango , J. M.K. and Pollott , G. E. 2002 . The relationship between Holstein bull breeding values for milk yield derived in both the UK and Kenya . Livestock Prod. Sci. , 74 : 1 – 12 .
- Roman , R. M. and Wilcox , C. J. 2000 . Bivariate animal model estimates of genetic, phenotypic, and environmental correlations for production, reproduction, and somatic cells in Jerseys . J. Dairy Sci. , 83 : 829 – 835 .
- Roman , R. M. , Wilcox , C. J. and Littell , R. C. 1999 . Genetic trends for milk yield of Jerseys and correlated changes in productive and reproductive performance . J. Dairy Sci. , 82 : 196 – 204 .
- Ulutas , Z. 2002 . Estimation of genetic and phenotypic trends of 305-day milk yield for Holsteins reared Gelemen State farm in Turkey . Indian J. Anim. Sci. , 72 : 875 – 877 .