A.Y. Abdullahi, J.J. Zuo, H.Z. Tan, W.G. Xia, S. Wei, J.H. Liu, Q. Ai, S.Y. Zhao, M.H. Xia, Y.H. Liu, C.D. Xia, F. Wu, J.P. Yu and D.Y. Feng
Journal of Animal and Veterinary Advances 12 ( 17 ): 1409 - 1414 , 2013