^○Atagi Yamato¹, Morota Gota², Onogi Akio³, Osawa Takefumi⁴, Takanori Yasumori⁵, Adachi Kazunori⁵, Yamaguchi Shigeki⁵, Aihara Mitsuo⁵, Goto Hideyuki⁵, Togashi Kenji⁵, Iwata Hiroyoshi¹ (1.Graduate School of Agricultural and Life Science, Univ. of Tokyo, 2.Virginia Polytechnic Institute and State Univ., 3.NICS, NARO, 4.National Livestock Breeding Centre, 5.Livestock Improvement Association of Japan)

^○Hosono Masahiko¹, Asada Masatsugu¹, Yamanaka Mei², Uchiza Michiko³, Inaba Tomoko⁴, Toyofuku Chiharu⁵, Oyama Hidemi¹, Inoue Keiichi¹ (1.National Livestock Breeding Center, 2.National Livestock Breeding Center Tokachi Station, 3.National Livestock Breeding Center Ouu Station, 4.National Livestock Breeding Center Tottori Station, 5.National Livestock Breeding Center Miyazaki Station)