The 133rd Annual Meeting of Japanese Society of Animal Science
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Session Details

Oral Session2. Genetics・Breeding

[VIII-13]育種・遺伝

Sat. Sep 13, 2025 1:15 PM - 3:35 PM JST
Sat. Sep 13, 2025 4:15 AM - 6:35 AM UTC
Room VIII (Faculty of Engineering building 103)
Chairperson: Yutaka Masuda, Hayato Abe, Kohei Kohei, Jumpei Kawakami
VIII-13-01～VIII-13-06：Yutaka Masuda, Hayato Abe
VIII-13-07～VIII-13-12：Kohei Kohei, Jumpei Kawakami
1:15 PM - 1:25 PM JST(4:15 AM - 4:25 AM UTC)

[VIII-13-01]乳中脂肪酸組成を用いて予測したエネルギーバランスの遺伝的パラメーター推定

*Akiko Nishiura1, Osamu Sasaki1, Tamako Tanigawa2, Shigeki Yamaguchi3, Yuriko Saito1, Ryoki Tatebayashi1 (1. Institute of Livestock and Grassland Science, NARO, 2. Hokkaido Research Organization, 3. Livestock Improvement Association of Japan)
1:25 PM - 1:35 PM JST(4:25 AM - 4:35 AM UTC)

[VIII-13-02]ホルスタイン初産牛における蹄冠スコアと蹄踵の厚さおよび歩様との遺伝的関連性

*Yuriko Saito1, Akiko Nishiura1, Shigeki Yamaguchi2, Taro Oka3, Toshimi Baba4, Ryoki Tatebayashi1, Osamu Sasaki1 (1. Institute of Livestock and Grassland Science, NARO, 2. Livestock Improvement Association of Japan, 3. The Holstein Cattle Association of Japan, 4. The Holstein Cattle Association of Japan, Hokkaido)
1:35 PM - 1:45 PM JST(4:35 AM - 4:45 AM UTC)

[VIII-13-03]ホルスタイン種のビタミンD結合タンパク質遺伝子（GC）と乳房炎罹患との関連

*kohei Suzuki1, Hisashi Kawai1, Takatoshi Kojima1, Tsuyoshi Abe1 (1. National Livestock Bleeding Center Japan)
1:45 PM - 1:55 PM JST(4:45 AM - 4:55 AM UTC)

[VIII-13-04]ROH領域がホルスタイン種の精液形質に与える影響

*Rintaro Nagai1, Masashi Kinukawa2, Toshio Watanabe2, Atsushi Ogino2, Kazuhito Kuroki2, Kazunori Adachi2, Yoshinobu Uemoto1 (1. Tohoku Univ., 2. LIAJ)
1:55 PM - 2:05 PM JST(4:55 AM - 5:05 AM UTC)

[VIII-13-05]乳牛における疾病抵抗性指標の選抜による改良効果

*Toshimi Baba1, Yusaku Goto1, Junpei Kawakami1, Taro Oka2, Satoshi Yamaguchi3 (1. Holstein Cattle Association of Japan, Hokkaido Branch, 2. Holstein Cattle Association of Japan, 3. Hokkaido Dairy Milk Recording and Testing Association)
2:05 PM - 2:15 PM JST(5:05 AM - 5:15 AM UTC)

[VIII-13-06]初産ホルスタイン雌牛におけるゲノミック近交係数を用いた近交退化量の推定

*Jumpei Kawakami1, Toshimi Baba1, Yusaku Gotoh1, Shigeki Yamaguchi2, Taro Oka3 (1. Holstein Cattle Association of Japan, Hokkaido Branch, 2. Livestock Improvement Association of Japan, 3. Holstein Cattle Association of Japan)
2:15 PM - 2:25 PM JST(5:15 AM - 5:25 AM UTC)

休憩

2:25 PM - 2:35 PM JST(5:25 AM - 5:35 AM UTC)

[VIII-13-07]日本のホルスタイン種において年代または世代による血統情報の制限が近交退化量推定値に与える影響

*Seijiro Hirama1, Che Hsuan Huang2, Toshimi Baba3, Junpei Kawakami3, Shigeki Yamaguchi4, Takefumi Ohsawa5, Yutaka Masuda6 (1. Obihiro University of Agriculture and Veterinary Medicine, 2. Hokkaido Agricultural Research Center, 3. Holstein Cattle Association of Japan, Hokkaido Branch, 4. Livestock Improvement Association of Japan, 5. National Livestock Breeding Center, 6. Rakuno Gakuen University)
2:35 PM - 2:45 PM JST(5:35 AM - 5:45 AM UTC)

[VIII-13-08]ホルスタイン種における代謝関連形質を用いた暑熱ストレス反応の比較

*Satoka Ishida1, Shigeki Yamaguchi2, Miho Aonuma2, Satoshi Yamaguchi3, Hayato Abe3, Yuka Nakahori3, Akiko Nishiura4, Ryoki Tatebayashi4, Yuriko Saito4, Takeshi Yamazaki5, Koichi Hagiya1 (1. Obihiro University of Agriculture and Veterinary Medicine, 2. Livestock Improvement Association of Japan, 3. Hokkaido Dairy Milk Recording & Testing Association, 4. Institute of Livestock and Grassland Science, National Agriculture and Food Research Organization, 5. NARO Hokkaido Agricultural Research Center)
2:45 PM - 2:55 PM JST(5:45 AM - 5:55 AM UTC)

[VIII-13-09]北海道のホルスタイン集団における管理乳量の更新に関する検討

*Hayato Abe1, Satoshi Yamaguchi1, Satoshi Nakagawa1, Yuka Nakahori1 (1. Hokkaido Dairy Milk Recording & Testing Assoc.)
2:55 PM - 3:05 PM JST(5:55 AM - 6:05 AM UTC)

[VIII-13-10]ホルスタイン種における検定日乳量から検出した暑熱ストレスと飼養形態間の交互作用

*Ito Kengo1, Yamaguchi Satoshi2, Nakagawa Satoshi2, Abe Hayato2, Nakahori Yuka2, Huang Che Hsuan3, Ishida Satoka4, Hagiya Koichi4 (1. Obihiro University of Agriculture and Veterinary Medicine Graduated School, 2. Hokkaido Dairy Milk Recording & Testing Association, 3. NARO Hokkaido Agricultural Research Center, 4. Obihiro University of Agriculture and Veterinary Medicine)
3:05 PM - 3:15 PM JST(6:05 AM - 6:15 AM UTC)

[VIII-13-11]ホルスタイン種における乳中β-ヒドロキシ酪酸（BHB）および乳中脂肪酸と体型形質間の関係

*Rio Nagasawa1, Shigeki Yamaguchi2, Miho Aonuma2, Toshimi Baba3, Satoshi Yamaguchi4, Hayato Abe4, Yuka Nakahori4, Seijiro Hirama1, Satoka Ishida1, Takeshi Yamazaki5, Akiko Nishiura6, Yuriko Saito6, Ryoki Tatebayasi6, Koichi Hagiya1 (1. Obihiro University of Agriculture and Veterinary Medicine, 2. Livestock Improvement Association of Japan, 3. Hokkaido Holstein Cattle Association of Japan, 4. Hokkaido Dairy Milk Recording & Testing Association, 5. NARO Hokkaido Agricultural Research Center, 6. National Agriculture and Food Research Organization)
3:15 PM - 3:25 PM JST(6:15 AM - 6:25 AM UTC)

[VIII-13-12]日本のホルスタイン集団におけるゲノミック一次選抜によって生じる遺伝評価値のバイアスに関する検討

*Yutaka Masuda1, Toshimi Baba2, Takefumi Osawa3 (1. Rakuno Gakuen Univ., 2. Holstein Cattle Association of Japan, 3. National Livestock Breeding Center)
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