Affiliation: | Ruo-feng SHANG1,Jian-ping LIANG1**,Zhong-yuan NA 2,Hong-jun YANG 2,Yu LU 1,Lan-ying HUA 1,Wen-zhu GUO 1,Ying CUI 1 , Ling WANG 1 (1. Key Laboratory of New Animal Medicine Project,Chinese Academy of Agricultural Sciences,Lanzhou Insititute of Animal Husb,ry & Veterinary Pharamaceutics Science,Lanzhou 730050,China,2. Yunnan Eco-agricultural Research Institute,Kunming 650106,China) |