Northwest Agricultural and Forestry University - College of Animal Science and Technology, Northwest Agricultural and Forestry University - College of Animal Science and Technology, Northwest Agricultural and Forestry University - College of Animal Science and Technology, Northwest Agricultural and Forestry University - College of Animal Science and Technology, Northwest Agricultural and Forestry University, Northwest Agricultural and Forestry University - College of Animal Science and Technology, Northwest Agricultural and Forestry University - College of Animal Science and Technology and Northwest Agricultural and Forestry University - Shenzhen Research Institute