1. Yantai Academy of Agricultural Sciences Institute of Animal Science and Veterinary Medicine Yantai Shandong Province P. R. China
2. College of Animal Science and Technology Jiangxi Agriculture University Nanchang Jiangxi Province P. R. China
3. Faculty of Technology, Department of Agriculture Technology Mahasarakham University Kantarawichai District Maha Sarakham Thailand
4. Jiangxi Academy of Agricultural Sciences Institute of Quality & Safety and Standards for Agricultural Products Nanchang Jiangxi Province P. R. China
5. Laiyang Agrotechnical Extension Center Yantai Shandong Province P. R. China
6. Weifang Academy of Agricultural Sciences Institute of Animal Science Weifang Shandong Province P. R. China