1. Jiangxi Provincial Key Laboratory for Animal Health, Institute of Animal Population Health, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, P. R. China
2. College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, P. R. China
3. Department of Animal Science, Jiangxi Biotech Vocational College, Nanchang, P. R. China