1. Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
2. Laboratory of Racing Chemistry, 1731-2 Tsurutamachi, Utsunomiya, Tochigi 320-0851, Japan
3. Education and Research Center for Food Animal Health (GeFAH), Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, Japan