Contacter：Zhao Zhongquan，Email: zhaozhongquan@swu.edu.cn
                  Xu Dejun,                 Email: xdj2020@swu.edu.cn
                  Sun Zhipeng,           Email: szp20246012@swu.edu.cn
Affiliation: College of Animal Science and Technology, Southwest University
ADD: No. 2 Tiansheng Road, Beibei, Chongqing 400715, China