1. Animal Biosciences Department, University of Guelph, Guelph, ON N1G 2W1, Canada
2. School of Information Science & Engineering, Chongqing Jiaotong University, Chongqing 400074, China
3. School of Information Science and Engineering, University of Jinan, Jinan 250022, China
4. Shandong Provincial Key Laboratory of Network-Based Intelligent Computing, Jinan 250022, China