1CAAS-ILRI Joint Laboratory on Livestock and Forage Genetic Resources, Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing, China 2Department of Psychosomatic Medicine, Inner Mongolia International Mongolian Hospital, Hohhot, China 3Department of Animal Production, Faculty of Agriculture, Syiah Kuala University, Banda Aceh, Indonesia 4Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, China 5Tongren Polytechnic College, Tongren, Guizhou, China 6Sichuan Academy of Grassland Science, Chengdu, Sichuan, China 7International Livestock Research Institute (ILRI), Nairobi, Kenya