X.K. Yao, S.J. Yu, W.J. Liu, J. Meng, X.D. Pan, X.H. Tan and Q.J. Luo
Asian Journal of Animal and Veterinary Advances 6 ( 5 ): 451 - 459 , 2011
J. Han, F. Zhang, L.B. Du, X.H. Han, W.F. Chen and J. Meng
Journal of Animal and Veterinary Advances 13 ( 18 ): 1072 - 1079 , 2014