1. Laboratory of Food and Environmental Hygiene, Cooperative Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, Gifu, Japan
2. Education and Research Center for Food Animal Health, Gifu University, Gifu, Japan
3. Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan
4. United Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan