1. Key Laboratory of Animal Breeding Reproduction and Molecular Design for Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou, China
2. Department of Food technology, College of Biochemical Engineering, Yangzhou Polytechnic College, Yangzhou, China
3. Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
4. Animal & Avian Sciences, University of Maryland, College Park, MD, USA