Xuefeng Qi, Yaping Jin, Hongming Liu, Aihua Wang and Xianjun Zhao
Journal of Animal and Veterinary Advances 10 ( 2 ): 151 - 156 , 2011
Xuefeng Qi, Dongning Bai, Xianjun Zhao, Aihua Wang, Yi Li and Yaping Jin
Journal of Animal and Veterinary Advances 10 ( 4 ): 484 - 488 , 2011