1. Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Sciences Lanzhou China
2. College of Ecological Agriculture and Animal Husbandry Qinghai Communications Technical College Xining China
3. State Key Laboratory of Grassland Agro‐Ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology Lanzhou University Lanzhou China