1 College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, PR China; College of Animal Nutrition and Feed Science, Huazhong Agricultural University, Wuhan, 430070, Hubei, PR China. Electronic address: lik2014@sina.com.
2 College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, PR China.
3 College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, PR China; College of Agriculture, Hubei Three Gorges Polytechnic, 443000, Yichang, PR China.
4 University College of Veterinary & Animal Sciences, The Islamia University of Bahawalpur, 63100, Pakistan.
5 College of Animal Science, Wenzhou Vocational College of Science and Technology, Wenzhou, 325006, PR China.
6 College of Agriculture and Forestry Science, Linyi University, Linyi, 276005, PR China.