Institution: | 1. Equine Research Institute, Japan Racing Association, Shimotsuke, Tochigi, Japan;2. Hidaka Training and Research Center, Japan Racing Association, Urakawa, Hokkaido, Japan;1. Department of Plant and Soil Sciences, University of Kentucky, Lexington, KY;2. US Department of Agriculture, Agricultural Research Service, Forage-Animal Production Research Unit, Lexington, KY;3. Department of Animal and Food Sciences, University of Kentucky, Lexington, KY |