1. Academy of Science and Technology, Chuxiong Normal University, Chuxiong, Yunnan, China
2. Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
3. National Institute for Biotechnology and Genetic Engineering, Pakistan Institute of Engineering and Applied Sciences, Faisalabad, Pakistan
4. Yunnan Animal Husbandry Station, Kunming, Yunnan, China
5. Yunnan Academy of Grassland and Animal Science, Kunming, Yunnan, China