1 Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, 250014, People's Republic of China.
2 Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, People's Republic of China.
3 Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, 250014, People's Republic of China. hongmeiwang@sdnu.edu.cn.
4 Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, People's Republic of China. yuwei0901@outlook.com.
5 Ruminant Diseases Research Center, College of Life Sciences, Shandong Normal University, Jinan, 250014, People's Republic of China. hongbinhe@sdnu.edu.cn.