1 International Joint Agriculture Research Center for Animal Bio-breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China; Department of Animal and Poultry Production, Faculty of Environmental Agricultural Sciences, Arish University, El-Arish 45511, Egypt.
2 International Joint Agriculture Research Center for Animal Bio-breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
3 International Joint Agriculture Research Center for Animal Bio-breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China; College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China.
4 International Joint Agriculture Research Center for Animal Bio- breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
5 International Joint Agriculture Research Center for Animal Bio-breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Ruminant Molecular and Cellular Breeding, School of Agriculture, Ningxia University, Yinchuan, Ningxia 750000, China.
6 Ningxia Tianyuan Tan Sheep Farm, Hongsibu, Ningxia 751999, China.
7 Acceligen Inc., St. Paul, MN 55104, United States.
8 Institute of Farm Animal Genetics, Friedrich-Loeffler-Institut, Mariensee, Neustadt am Rübenberge 31535, Germany.
9 International Livestock Research Institute (ILRI), Nairobi 30709-00100, Kenya.
10 College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, China.
11 International Livestock Research Institute (ILRI), Nairobi 30709-00100, Kenya; CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China. Electronic address: h.jianlin@cgiar.org.
12 International Joint Agriculture Research Center for Animal Bio-breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Livestock Biology, Northwest A&F University, Yangling, Shaanxi 712100, China. Electronic address: chenyulin@nwafu.edu.cn.
13 International Joint Agriculture Research Center for Animal Bio-breeding, Ministry of Agriculture and Rural Affairs/Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Livestock Biology, Northwest A&F University, Yangling, Shaanxi 712100, China. Electronic address: xiaolongwang@nwafu.edu.cn.