1. College of Veterinary Medicine, Jilin Agricultural University, Changchun, People’s Republic of China
2. Jilin Provincial Key Laboratory of Animal Microecology and Healthy Breeding, Jilin Agricultural University, Changchun, People’s Republic of China
3. Jilin Provincial Engineering Research Center of Animal Probiotics, Jilin Agricultural University, Changchun, People’s Republic of China
4. Key Laboratory of Animal Production and Product Quality Safety of Ministry of Education, Jilin Agricultural University, Changchun, People’s Republic of China