1. College of Animal Science, Inner Mongolia Agricultural University, Hohhot, China
2. Inner Mongolia Herbivorous Livestock Feed Engineering Technology Research Center, Hohhot, China
3. Key Laboratory of Smart Animal Husbandry at Universities of Inner Mongolia Automomous Region, Hohhot, China
4. Institute of Animal Nutrition and Feed in Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot, China