^○Tamaoki Yuzuru¹, Oono Mamiko¹, Sumiyoshi Toshiaki¹, Kamichi Sari², Tetsuya Horikita¹ (1.Nihon Univ., 2.NISSAN GOSEI KOGYO CO.,LTD)

^○Hanzawa Takumu¹, Watanabe Genya², Kobayashi Hayato¹, Fujimura Shinobu^1,3 (1.Graduate School of Science and Technology, Niigata Univ., 2.Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization, 3.Faculty of Agriculture, Niigata Univ.)