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Wenjin Zhu, Yongmei Su, Yanfang Liu, Jing Ni and Jianhua Wu
Journal of Animal and Veterinary Advances 11 ( 20 ): 3728 - 3731 , 2012
Wenjin Zhu, Yongmei Su, Yanfang Liu, Jing Ni and Jianhua Wu
Journal of Animal and Veterinary Advances 12 ( 7 ): 795 - 797 , 2013