Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Yixing Customs General Administration of Customs of the People's Republic of China Yixing 214206 China;
Yixing Customs General Administration of Customs of the People's Republic of China Yixing 214206 China;
National Research Center for Exotic Animal Diseases China Animal Health and Epidemiology Center Qingdao 266032 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Shanghai Veterinary Research Institute Chinese Academy of Agricultural Science Shanghai 200241 China;
Key Laboratory of Veterinary Chemical Drugs and Pharmaceutics Ministry of Agriculture Shanghai 200241 China;