Zhang Nuowei, Guo Shining, Li Huanrong, Li Jiefeng, Xu Xiaolong, Wan Changrong, Zhao Hong, Liu Faqiang, Zan Junlan, Wang Bin and Xu Jianqin
Journal of Animal and Veterinary Advances 12 ( 21 ): 1574 - 1582 , 2013