^○Ishikawa Sho^1,3, Ikuta Kentaro¹, Kushibiki Shiro^2,3 (1.Awaji Agricultural Technology Institute, 2.National Agriculture and Food Research Organization, 3.Tsukuba Univ.)

^○MITANI Tomohiro¹, KUBOTA Tomoyo², MIZUGUCHI Hitoshi³, KUSHIBIKI Shiro⁴, UEDA Koichiro² (1.Field Science Center for Northern Biosphere, Hokkaido Univ., 2.Graduate School of Agriculture, Hokkaido Univ., 3.Organization for Research Promotion, Iwate Univ., 4.Institute of Livestock and Grassland Science, NARO)

^○Watanabe Momoko¹, Mitani Tomohiro², Kawai Masahito², Ueda Koichiro¹ (1.Hokkaido Univ., 2.Hokkaido Univ.FSC)