1. Ministry of Agriculture and Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Key Laboratory of Animal Nutrition and Feed in East China, Feed Science Institute, College of Animal Science, Zhejiang University, Hangzhou 310058, China
2. Key Laboratory of Applied Technology on Green-Eco-Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A & F University, Hangzhou 311300, China
3. Animal Husbandry and Veterinary Services Center of Haiyan, Jiaxing 314300, China