Yang Liu, Guanyu Che, Yixue Sun, Bo Jin, Bin Guo and Xueming Zhang
Journal of Animal and Veterinary Advances 11 ( 12 ): 2163 - 2165 , 2012
Guanyu Che, Yang Liu, Yixue Sun, Bin Guo and Xueming Zhang
Journal of Animal and Veterinary Advances 11 ( 15 ): 2801 - 2803 , 2012