*Rintaro Nagai¹, Masashi Kinukawa², Toshio Watanabe², Atsushi Ogino², Kazuhito Kurogi², Kazunori Adachi², Masahiro Satoh¹, Yoshinobu Uemoto¹ (1. Tohoku Univ., 2. LIAJ)

*Toshio Watanabe¹, Atsushi Ogino¹, Kazuhito Kurogi¹, Shohei Toda¹ (1. Livestock Inprovement Association Japan Inc)

*Motohide Nishio¹, Keiichi Inoue², Hiroyuki Hirooka³, Yoshinobu Inoue⁴, Masayuki Takeda², Toshihiro Okamura¹, Yo Fukuzawa¹, Shinichiro Ogawa¹, Eiji Kobayashi¹, Kazuo Ishii¹ (1. Institute of Livestock and Grassland Science, NARO, 2. National Livestock Breeding Center, 3. Graduate School of Agriculture, Kyoto University, 4. Tottori Prefectural Livestock Research Center)

*Takefumi Osawa¹, Toshimi Baba², Yutaka Masuda³, Takayoshi Kawahara², Yusaku Gotoh² (1. National Livestock Breeding Center, 2. Holstein Cattle Association of Japan, Hokkaido Branch, 3. Rakuno Gakuen University)

*Hiroyuki Hirooka¹, Keiichi Inoue², Motohide Nishio³, Masayuki Takeda², Yoshinobu Inoue⁴ (1. Graduate school of Agriculture, 2. National Livestock Breeding Center, 3. NARO Institute of Livestock and Grassland Science, 4. Tottori prefectural Livestock Research Center)

*Atsushi Zoda^1,2, Rino Kagawa¹, Yoshio Oono¹, Manami Urakawa¹, Rui Obinata¹, Shinichiro Ogawa³, Yoshinobu Uemoto², Masahiro Sato² (1. Zennoh ET center, 2. Tohoku Univ., 3. NARO)

*Hayato Abe¹, Satoshi Yamaguchi¹, Satoshi Nakagawa¹, Yuka Nakahori¹, Yusaku Goto², Toshimi Baba², Junpei Kawakami², Takayoshi Kawahara² (1. HMRT, 2. HHAC)

*Ayu Miyata¹, Koichi Hagiya¹, Takaaki Saito², Meguru Hara², Keigo Kuchida¹ (1. Obihiro Univ., 2. Livestock Research Centre, Fukushima Agricultural Technology Centre)

*NAGISA NOMURA¹, KEIGO KUCHIDA¹ (1. Obihiro Univ.)

*Yuta Tamagawa¹, Mikiya Takahashi¹, Keigo Kuchida¹ (1. Obihiro Univ)

*Kazuki Kajikawa¹, Satoka Ishida¹, Takefumi Osawa², Takeshi Yamazaki³, Koichi Hagiya¹ (1. Obihiro Univ, 2. NLBC, 3. NARO)

*Takeshi Yamazaki¹, Takefumi Osawa², Yutaka Masuda³ (1. Hokkaido Agricultural Research Center, NARO, 2. National Livestock Breeding Center, 3. College of Agriculture, Food and Environment Sciences, Department of Sustainable Agriculture, Rakuno Gakuen University)

*Toshimi Baba¹, Yusaku Goto¹, Taro Oka², Takefumi Osawa³, Takayoshi Kawahara¹ (1. Holstein cattle association of Japan, Hokkaido branch, 2. Holstein cattle association of Japan, 3. National livestock breeding center)

*Takayoshi Kawahara¹, Toshimi Baba¹, Takefumi Osawa², Yusaku Gotoh¹, Junpei Kawakami¹, Taro Oka³ (1. HCAJH, 2. NLBC, 3. HCAJ)

*Junpei Kawakami¹, Yusaku Goto¹, Toshimi Baba¹, Satoshi Nakagawa², Shigeki Yamaguchi³, Junichi Saburi⁴, Tarou Oka⁵, Takayoshi Kawahara¹ (1. Holstein Cattle Association of Japan, Hokkaido Branch, 2. Hokkaido Dairy Milk Recording and Testing Association, 3. Livestock Improvement Association of Japan, 4. National Livestock Breeding Center, 5. Holstein Cattle Association of Japan)

*Akiko Nishiura¹, Osamu Sasaki¹, Mitsuo Aihara², Yuriko Saito¹, Ryoki Tatebayashi¹ (1. Institute of Livestock and Grassland Science, NARO, 2. Livestock Improvement Association of Japan)

*Yuriko Saito^1,4, Akiko Nishiura¹, Takeshi Yamazaki², Kazunori Adachi³, Masahiro Satoh⁴, Osamu Sasaki¹ (1. NARO, 2. NARO(Hokkaido), 3. LIAJ, 4. Tohoku Univ.)

*Yutaka Masuda¹ (1. Rakuno Gakuen Univ.)