1. Key Laboratory of Fujian-Taiwan Animal Pathogen Biology, College of Animal Sciences, Fujian Agriculture and Forestry University, Fuzhou, People’s Republic of China
2. Institute of Animal Husbandry and Veterinary Medicine, Fujian Academy of Agricultural Science, Fuzhou, People’s Republic of China
3. Fujian Provincial Key Laboratory for Avian Diseases Control and Prevention, Fuzhou, People’s Republic of China