1. MOE Joint International Research Laboratory of Animal Health & Food Safety, Nanjing Agricultural University, Nanjing, Jiangsu, China
2. Key Laboratory of Animal Physiology & Biochemistry, Nanjing Agricultural University, Nanjing, Jiangsu, China
3. College of Animal Science and Technology, Yangzhou University, Yangzhou, China
4. Division of Nutritional Sciences, Cornell University, Ithaca, NY, USA
5. Laboratory of Nutrigenomics and Growth Biology, Department of Animal Sciences, Washington State University, Pullman, WA, USA