About GOTO YUJI
About 畜産草地研 御代田研究拠点
About GOTO YUJI
About 家畜改良セ奥羽牧場
About TEJIMA SHIGEKI
About 畜産草地研 御代田研究拠点
About ARIKAWA HANAKO
About 東信農業共済組合
About 日本草地学会誌
About cattle
About grazing
About synchronization of estrous cycle
About artificial fertilization
About reproductive management
About labor saving
About improvement of efficiency
About hormone
About pregnancy test
About ranch
About activation
About Japanese Black Cattle
About parturition
About Holstein
About steroid
About enone
About alicyclic ketone
About diketone
About corpus luteum hormone
About steroid hormone
About grazing cattle
About hormone preparation
About synchronized ovulation
About 早期妊娠診断
About pregnancy diagnosis
About breeding program
About public pastureland
About 黒毛和種育成牛
About growing cattle
About 黒毛和種経産牛
About ホルスタイン種育成牛
About Reproduction management
About Cattle
About Progesterone
About 公共牧場
About 活性化
About 排卵同期化
About 早期
About 妊娠診断
About 繁殖プログラム
About 放牧牛
About 繁殖管理