S. Liswaniso, N. Qin, X. Shan, X. Sun, and R. Xu
1Department of Animal Breeding, Genetics and Reproduction, College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, Jilin, P.R China.
2. Modern Agricultural Technology International Cooperative Joint Laboratory of the Ministry of Education, Changchun 130118, P. R. China
3 Department of Livestock Development, Mulungushi House. Lusaka. Republic of Zambia.