1. Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, China
2. Bijie Animal Husbandry and Veterinary Science Institute, Bijie, China
3. Faculty of Veterinary and Animal Sciences, University of the Poonch Rawalakot-12350, Azad Jammu and Kashmir, Pakistan
4. Yunnan Academy of Grassland and Animal Science, Kunming, China