1. Department of Animal Science and Technology, Key Laboratory of Animal Genetics, Breeding and Bioresources, College of Bioresources and Agriculture, National Taiwan University, Taipei, Taiwan
2. Department of Animal Science and Technology, Laboratory of Molecular Genetic, College of Bioresources and Agriculture, National Taiwan University, Taipei, Taiwan
3. Livestock Research Institute, Hsinchu Branch, Council of Agriculture, Hsinchu, Taiwan