1 Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang 310021, China; College of Animal Science & Technology, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan 450046, China; Henan Engineering Research Center on Animal Healthy Environment and Intelligent equipment, Zhengzhou, Henan 450046, China.
2 Henan Engineering Research Center on Animal Healthy Environment and Intelligent equipment, Zhengzhou, Henan 450046, China; School of Energy and Intelligence Egineering, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan 450046, China.
3 Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang 310021, China. Electronic address: zhouwd@mail.zaas.ac.cn.
4 Institute of Quality and Standards for Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang 310021, China.
5 Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang 310021, China.
6 College of Animal Science & Technology, Henan University of Animal Husbandry and Economy, Zhengzhou, Henan 450046, China; Henan Engineering Research Center on Animal Healthy Environment and Intelligent equipment, Zhengzhou, Henan 450046, China.
7 Department of Agricultural and Biological Engineering, Mississippi State University, Mississippi State 39762, USA.