Y.N. Min, J.S. Shi, F.X. Wei, H.Y. Wang, X.F. Hou, Z.Y. Niu and F.Z. Liu
Journal of Animal and Veterinary Advances 11 ( 19 ): 3652 - 3657 , 2012
Z.Y. Niu, Y.N. Min, X.H. Wang, F.X. Wei, P.X. Jiao and F.Z. Liu
Journal of Animal and Veterinary Advances 12 ( 24 ): 1690 - 1699 , 2013