1. Department of Animal Science, National Chung Hsing University, Taichung, Taiwan
2. Department of Applied Mathematics, National Chung Hsing University, Taichung, Taiwan
3. Faculty of Human Nutrition and Consumer Sciences, Warsaw University of Life Sciences - SGGW, Warsaw, Poland
4. Department of Animal Science, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University, Nakhon Pathom, Thailand