Sakaguchi Marina¹, Nagano Atsushi J², ^○Ishikawa Akira¹ (1.Graduate School of Bioagricultural Sciences, Nagoya Univ., 2.Faculty of Agriculture, Ryukoku Univ.)

^○Watanabe Mio, Suzuki Yoko, Nagamine Yoshitaka (Nihon Univ.)

^○Goto Tatsuhiko^1,2, Lawal Raman Akinyanju^2,3, Pool John E.⁴, Wu Dong-Dong⁵, Zhang Ya-Ping^5,6, Hocking Paul M.⁷, Burt David W.^7,8, Hanotte Olivier^2,9 (1.Obihiro Univ. of Agriculture and Veterinary Medicine, 2.The Univ. of Nottingham, 3.The Jackson Laboratory, 4.Univ. of Wisconsin-Madison, 5.Chinese Academy of Sciences, 6.Yunnan Univ., 7.The Roslin Institute and Royal (Dick) School of Veterinary Studies, 8.The Univ. of Queensland, 9.International Livestock Research Institute)