1. Graduate Institute of Animal Vaccine Technology; National Pingtung University of Science and Technology; Pintung Taiwan
2. Department of Veterinary Medicine; National Pingtung University of Science and Technology; Pintung Taiwan
3. Department of Tropical Agriculture and International Cooperation; National Pingtung University of Science and Technology; Pintung Taiwan
4. Department of Animal Science; National Chung Hsing University; Taichung Taiwan