Shao-Lun Zhai, Sheng-Nan Chen, Jian-Wu Zhang, Zu-Zhang Wei, Jin-Xue Long, Shi-Shan Yuan, Wen-Kang Wei, Qin-Ling Chen, Hua Xuan and Da-Cheng Wu
Journal of Animal and Veterinary Advances 11 ( 9 ): 1281 - 1286 , 2012