X.Y. Chen, R.S. Jiang, H.C. Bai and Z.Y. Geng
Journal of Animal and Veterinary Advances 10 ( 23 ): 3043 - 3047 , 2011
X.Y. Chen, S.H. Jin, R.S. Jiang and Z.Y. Geng
Journal of Animal and Veterinary Advances 11 ( 6 ): 849 - 852 , 2012