1 Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
2 Key Laboratory of Animal Vaccine Development, Ministry of Agriculture and Rural Affairs, Guangzhou, 510000, China.
3 National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, PR China.
4 Guangdong Provincial Key Laboratory of Zoonosis Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China. zezhong@scau.edu.cn.
5 Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, 525000, China. zezhong@scau.edu.cn.
6 National Engineering Research Center for Breeding Swine Industry, South China Agricultural University, Guangzhou, PR China. zezhong@scau.edu.cn.