Chuan-Sheng Zhang, Li-Ying Geng, Zheng-Zhu Liu, Zhi-Xin Fu, Yuan-Fang Gong, Min-Shan Feng, Chen Juan, Qing-Hui Jia, Qiu-Yue Wang, Xie-Rong Liu and Su-Min Pan
Journal of Animal and Veterinary Advances 10 ( 7 ): 928 - 931 , 2011