1. Hunan Key Laboratory of Traditional Chinese Veterinary Medicine; Hunan Agricultural University; Changsha China
2. College of Veterinary Medicine; Hunan Agricultural University; Changsha China
3. Hubei Engineering Research Center of Viral Vector; Wuhan Institute of Bioengineering; Wuhan China
4. National and Local Union Engineering Research Center for the Veterinary Herbal Medicine Resources and Initiative; Hunan Agricultural University; Changsha China