| Affiliation: | 1. Laboratory of Veterinary Ethology, Department of Animal Resource Sciences, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan;2. Technical Research Institute, T. Hasegawa Co., Ltd., 29-7 Kariyado, Nakahara-ku, Kawasaki-shi, Kanagawa 211-0022, Japan;3. Animal Physiology Research Unit, National Institute of Agrobiological Sciences, 2 Ikenodai, Tsukuba, Ibaraki 305-0901, Japan;4. Laboratory of Organic Chemistry, Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan |
