1. School of Life Science and Biotechnology; Dalian University of Technology, Dalian 116024; China
2. Ministry of Education Center for Food Safety of Animal Origin, Dalian 116600; China
3. Faculty of Animal Science and Technology; Yunnan Agricultural University, Kunming 650201; China
4. Department of Biology and Chemical Engineering; Shaoyang University, Shaoyang 422100; China
5. Dalian SEM Bio-Engineering Technology Co. Ltd., Dalian 116620; China