^○Watanabe Jun¹, Sato Kaede², Yuri Namie² (1.Akita Prefectural Univ., 2.Akita Prefectural Livestock Experiment Station)

^○Yasuda Tomoko¹, Waki Miyoko¹, Saito Hiroaki², Yokoshima Hiroki², Fukumoto Yasuyuki¹ (1.NARO Institute of Livestock and Grassland Science, 2.Yoshimoto Agri Co., Ltd.)

^○Hanajima Dai (NARO Hokkaido Agricultural Research Center)