Guang-Ping Ruan, Bu-Zhen Zhang, Guang-Hong Ruan, Rong-Qing Pang, Xiang Yao, Jin-Xiang Wang, Jie He, Jing Zhao, Xue-Min Cai, Yan-Bo Lv and Xing-Hua Pan
Asian Journal of Animal and Veterinary Advances 7 ( 12 ): 1312 - 1321 , 2012