A Comparative Study of Productive and Reproductive Performance and Estimates of Heritability for Economic Traits in Different Genetic Groups of Cattle Available at Baghabarighat Milk Pocket Area of Bangladesh

P. K. Das, S. Z. Ali, A.B.M.M. Islam and B.K. Roy

Journal of Biological Sciences 3 ( 8 ): 726 - 740 , 2003