^○Asai Noriko¹, Miyashiro Yoshimichi¹, Watanabe Yoko¹, Sasamoto Hidehiko¹, Fujikata Akira¹, Iwamoto Kazuya² (1.ASKA Pharmamedical Co.,Ltd., 2.Ibaraki Prefecture Livestock Center)

^○Yamamura Takashi¹, Matsuyama Shuichi², Nakamura Sho³, Wakabayashi Yoshihiro¹ (1.NARO, 2.Nagoya Univ., 3.Okayama Univ. of Sci.)

^○Nakatsu Shoya, Yoza Akiyosi, Ishiguro(Oonuma) Toshina, Takahashi Toru, Kizaki Keiichiro (Iwate Univ. Faculty of Agriculture)