Zhang Zi-Jun, Ren Chun-Huan, Guo Xiao-Fei, Huang Ya-Feng, Luo Jian-Chuan, Zhao You-Zhang, Li Fadi, Yao Jun, Zhang Xiao-Rong and Ling Ying-Hui
Journal of Animal and Veterinary Advances 11 ( 24 ): 4668 - 4672 , 2012