1. Laboratory of Animal Gennetics, Breeding and Reproducation of Shaanxi Province, Laboratory of Animal Fat Deposition & Muscle Development, College of Animal Science and Technology Northwest A&F University Yangling Shaanxi 712100 China
2. Department of Molecular Biosciences, The Wenner‐Gren Institute Stockholm University Stockholm Sweden
3. Faculty of Life Sciences Southwest Forestry University Kunming China