References

Atil, H., A.S. Khattab and C. Yakupoglu, 2001. Genetic analysis for milk traits in different herds of Holstein Friesian cattle in Turkey. J. Biol. Sci., 1: 737-741.
CrossRef  |  Direct Link  |  

Boldman, K.G., L.A. Kriese, L.D. van Vleck, C.P. van Tassel and S.D. Kachman, 1995. A Manual for Use of MTDFREML. A Set of Programs to Obtain Estimates of Variances and Covariances. US Department of Agriculture Research Service, Washington, DC., USA., Pages: 114.

Costa, C.N., C.M. De Melo Rodrigues, I.U. Packer, A. Ferreira de Freitas, N.M. Teixeira and J.A. Cobuci, 2008. Genetic parameters for test day milk yield of first lactation Holstein cows estimated by random regression using Legendre polynomials. Revista Brasileira de Zootecnia, 37: 4-4.
CrossRef  |  Direct Link  |  

Duzgunes, O., 1993. Statistical Methods. 2nd Edn., Ankara University, Ankara, Turkey, pp: 201.

El-Arian, M.N., H.G. El-Awady and A.S. Khattab, 2003. Genetic analysis for some productive traits of Holstein Friesian cows in Egypt through MTDFREML program. Egypt. J. Anim. Prod., 40: 99-109.

Espinoza, A.P., J.L.E. Villavicencio, G.P. Dianelys, G.I. Danilo, P.D.L. Rafael and F.R. Almeida, 2007. Estimation of covariance components for the first four lactations in Holstein cattle according to different models. Zootecnia Trop., 25: 2-18.

Falconer, D.S. and T.F.C. Mackay, 1996. Introduction to Quantitative Genetics. 4th Edn., Prentice Hall, Harlow, England, ISBN-13: 9780582243026, Pages: 464.

Farhangfar, H., P. Rowlinson and M.B. Willis, 2003. Multivariate REML estimates of genetic parameters of monthly test day milk production traits in first parity Iranian Holstein cows with the use of a repeatability test day model. http://www.bsas.org.uk/ downloads/annlproc/Pdf2003/139.pdf.

Hoque, M.A., P.F. Arthur, K. Hiramoto, A.R. Gilmour and T. Oikawa, 2007. Variance components due to direct genetic, maternal genetic and permanent environmental effect for growth and feed-efficiency traits in young male Japanese black cattle. J. Anim. Breed. Genet., 124: 102-107.
PubMed  |  Direct Link  |  

Ilatsia, E.D., T.K. Muasya, W.B. Muhuyi and A.K. Kahi, 2007. Genetic and phenotypic parameters and annual trends for milk production and fertility traits of the Sahiwal cattle in semi arid Kenya. Trop. Anim. Health Prod., 39: 37-48.
CrossRef  |  Direct Link  |  

Meyer, K., 1992. Variance components due to direct and maternal effects for growth traits of Australian beef cattle. Livest. Prod. Sci., 31: 179-204.
Direct Link  |  

Meyer, K., M.J. Carrick and B.J.P. Donnelly, 1994. Genetic parameters for milk production of Australian beef cows and weaning weight of their calves. J. Anim. Sci., 72: 1155-1165.
Direct Link  |  

Ojango, J.M.K. and G.E. Pollot, 2001. Genetics of milk yield and fertility traits in Holstein-friesian cattle on large-scale Kenyan farms. J. Dairy Sci., 79: 1742-1750.
Direct Link  |  

Ozcelik, M. and I. Dogan, 1999. The genetic and phenotypic correlations between milk and reproductive traits in holstein cows. Turk. J. Vet. Anim. Sci., 23: 249-255.
Direct Link  |  

Paura, L., D. Kairisha and D. Jonkus, 2002. Repeatability of milk productivity traits. Veterinarija Zootechnika, 19: 41-41.
Direct Link  |  

Peixoto, M.G.C.D., R.S. Verneque, R.L. Teodoro, V.M. Penna and M.L. Martinez, 2006. Genetic trend for milk yield in Guzerat herds participating in progeny testing and MOET nucleus schemes. Genet. Mol. Res., 5: 454-465.
PubMed  |  Direct Link  |  

Robison, O.W., A. Pala, K.A. Leymaster, R.L. McCraw and L.D. Young, 2002. Genetic parameters in 6-month breeding systems. Proceedings of the 7th World Congress On Genetics Applied To Livestock Production, Aug. 19-23, Montpellier, France, pp: 1-4.

Rosati, A. and L.D. Van Vleck, 2002. Estimation of genetic parameters for milk, fat, protein and mozzarella cheese production for the Italian river buffalo Bubalus bubalis population. Livest. Prod. Sci., 74: 185-190.
CrossRef  |  

Santus, E.C., R.W. Everett, R.L. Quaas and D.M. Galton, 1993. Genetic parameters of Italian Brown Swiss for levels of herd yield. J. Dairy Sci., 76: 3594-3600.
CrossRef  |  Direct Link  |  

Sawalha, R.M., J.F. Keown, S.D. Kachman and L.D. Van Vleck, 2005. Evaluation of autoregressive covariance structures for test-day records of Holstein cows: Estimates of parameters. J. Dairy Sci., 88: 2632-2642.
Direct Link  |  

Wiggans, G.R., P.M. Van Raden, J. Bormann, J.C. Philpot, T. Druet and N. Gengler, 2002. Deriving lactation yields from test-day yields adjusted for lactation stage, age, pregnancy and herd test date. J. Dairy Sci., 85: 264-275.
CrossRef  |  Direct Link  |