References

Chantalakhana, C., 1998. Role of exotic breeds in dairy and beef improvement in Asia. Proceedings of the 6th World Congress on Genetics Applied to Livestock Production, Jan 11-16, 1998, Armidale NSW Australia, pp: 213-222.

Cunningham, E.P. and O. Syrstad, 1987. Crossbreeding Bos lnidicus and Bos Taurus for Milk Production in the Tropics. FAO, Rome.

Khan, U.N., 1994. Genetic Improvement of Native Cattle Through Crossbreeding and Introduction of Exotic Dairy Cattle in Pakistan. Pakistan Science Foundation, Islamabad, Pakistan, pp: 106.

Kiwuwa, G.H., J.C.M. Trail, M.Y. Kurtu, G. Worku, F.M. Anderson and J.W. Durkin, 1983. Crossbreed dairy cattle productivity in Arsi region, Ethiopia. ILCA Research Report No. 11, International Livestock Centre for Africa, pp: 29. http://dagris.ilri.cgiar.org/bibdetail.asp?RC=1059.

Madalena, F.E., R.L. Teodoro, A.M. Lemos, J.B.N. Monteiro and R.T. Barbosa, 1990. Evaluation of strategies for crossbreeding of dairy cattle in Brazil. J. Dairy Sci., 73: 1887-1901.
CrossRef  |  

Naji, Z.A., 1996. Study of production performance in Golpayegani cow and their crosses. M.Sc. Thesis, The Trbiat Modares University, Iran.

Rege, J.E.O., 1998. Utilization of exotic germplasm for milk production in the tropics. Proceedings of the 6th World Congress on Genetics Applied to Livestock Production, Jan. 11-16, Armidale, Australia, pp: 193-200.

Rincon, E.J., E.C. Schermerhorn, R.E. Mcdowell and B.T. Mcdaniel, 1982. Estimation of genetic effects on milk yield and constituent traits in crossbred dairy cattle. J. Dairy Sci., 65: 848-856.
CrossRef  |  Direct Link  |  

Rokoei, M., 2000. Estimation of genetic parameters for milk production performance in Golpayegani cow and their crosses. M.Sc. Thesis, Tarbiat Modares University, Iran.

Syrstad, O., 1989. Dairy cattle cross-breeding in the tropics: Performance of secondary cross-bred populations. Livest. Production Sci., 23: 97-106.
CrossRef  |