1. Laboratory of Gastrointestinal Microbiology, Jiangsu Key Laboratory of Gastrointestinal Nutrition and Animal Health, College of Animal Science and Technology Nanjing Agricultural University Nanjing China
2. National Centre for International Research on Animal Gut Nutrition Nanjing Agricultural University Nanjing China
3. National Experimental Teaching Demonstration Center of Animal Science Nanjing Agricultural University Nanjing China