^○Ikuta Kentarou¹, Kushibiki Shirou², Arai Hikoji³, Ishikawa Sho¹, Takemura Megumi⁴, Mizuguchi Hitoshi⁵, Sato Shigeru⁵ (1.Hyogo Prefectural Technology Center for Agriculture, Forestry and Fisheres, 2.National Institute of Livestock and Grassland Science, 3.Meiji Feed Co., Ltd, 4.Yamagata Shonai Livestock Hygiene Service Center, 5.Iwate Univ.)

^○Kawabata Keisuke¹, Hanamura Hitomi¹, Saito Kaoru¹, Shiota Gotaro², Okamoto Yoshiharu³, Hirooka Toshiyuki¹ (1.NLBC Tokachi, 2.Mediplus Pharma .Inc, 3.Tottori Univ)

^○yamaguchi shoichiro¹, yoshimi masuda², kaho sibata¹, takahiko kakihara¹, mizuki nakamura³, masayuki otani³, chiho kawasima⁴ (1.Fukuoka Agriculture and Forestry Research Center, 2.Fukuoka Agricultural College, 3.Nippon Beet Sugar Manufacturing Co, 4.Obihiro Univ. of Agriculture and Veterinary Medicine)