1. Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, People’s Republic of China
2. Guangdong Provincial Key Laboratory of Utilization and Conservation of Food and Medicinal Resources in Northern Region, Shaoguan University, Shaoguan, People’s Republic of China
3. Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong, People’s Republic of China
4. Key Laboratory of Animal Vaccine Development, Ministry of Agriculture and Rural Affairs, People’s Republic of China
5. National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, People’s Republic of China