Author's Organization:Department of Veterinary Microbiology, Faculty of Agricultule, Tottori University Department of Veterinary Microbiology, Faculty of Agricultule, Tottori University Department of Veterinary Microbiology, Faculty of Agricultule, Tottori University Department of Veterinary Microbiology, Faculty of Agricultule, Tottori University Department of Veterinary Microbiology, Faculty of Agricultule, Tottori University Chikuho Animal Hospital