Affiliation: | 1.Racehorse Clinic, Ritto Training Center, Japan Racing Association,Shiga 520-3085, Japan;2.Equine Science Division, Hidaka Training and Research Center, JapanRacing Association, Hokkaido 057-0171, Japan;3.Department of Clinical Veterinary Sciences, Obihiro University ofAgriculture and Veterinary Medicine, Hokkaido 080-8555, Japan;4.Present address: Sports Science Division, Equine Research Institute,Japan Racing Association, Tochigi 320-0856, Japan |