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Journal of Animal and Veterinary Advances 11 ( 13 ): 2293 - 2300 , 2012
Xu Cong, Xue Chun-Yi, Lv Li-Shan, Li Xiao-Ming, Shu Ding-Ming, Lin Zhi-Xiong and Cao Yong-Chang
Journal of Animal and Veterinary Advances 11 ( 14 ): 2465 - 2468 , 2012