Da-Wei Tang, Shen Liu, Zhen-Xing Liu, Yi Wu, Xian-Long Wang, Jing Zhang, Zhong-Jian Bao, Mao-Sheng Cui, Ling Yang, Yue Wu, Shuan Zhao and Shen-Ming Zeng
Asian Journal of Animal and Veterinary Advances 6 ( 4 ): 322 - 332 , 2011