Institution: | [1]College of Animal Science and Veterinary Medicine, Jilin University, Changchun 130062, P.R.China [2]State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research institute, Chinese Academy of Agricultural Sciences, Harbin 150001, P.R.China [3]Division of Avian Infectious Diseases, Shanghai Veterinary Research institute, Chinese Academy of Agricultural Sciences, Shanghai 200241, P,R China |