Xiaoling Ding, Yan Yan, Chenghua Zhang, Yueyun Ding and Zongjun Yin
Journal of Animal and Veterinary Advances 10 ( 5 ): 663 - 667 , 2011
Xiaoling Ding, Yueyun Ding, Chenghua Zhang, Long Huang, Xiaolei He and Zongjun Yin
Journal of Animal and Veterinary Advances 10 ( 12 ): 1568 - 1572 , 2011