1. Laboratory of Veterinary Public Health, Department of Veterinary Medicine, Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan
2. Laboratory of Pathological and Preventive Veterinary Science, Department of Veterinary Medicine, Joint Faculty of Veterinary Medicine, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan
3. Joint Faculty of Veterinary Medicine, Yamaguchi University, 1677-1 Yamaguchi, Yamaguchi 753-8515, Japan
4. Center for Weed and Wildlife Management, Utsunomiya University, 350 Mine-machi, Utsunomiya, Tochigi 321-8505, Japan
5. Faculty of Agriculture, Kagoshima University, 1-21-24 Korimoto, Kagoshima, Kagoshima 890-0065, Japan
6. General Incorporated Foundation Kagoshima Environmental Research and Service, 1-1-5 Nanatsujima, Kagoshima, Kagoshima 891-0132, Japan
7. Tamagawa University Farm Kushi, Kagoshima, 880 Bonotsucho Kushi, Misamisatuma, Kagoshima 898-0211, Japan
8. Laboratory of Veterinary Public Health, Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwaicho, Fuchu, Tokyo 183-8509, Japan