About MIURA HIROSHI
About IHARA AZUMI
About 明治飼糧
About KOJIMA TOSHIYUKI
About 明治飼糧
About 家畜人工授精
About Holstein
About artificial fertilization
About reproductive management
About estrus
About pregnancy
About parturition
About abortion
About abnormal labor
About Stillbirth
About Cattle
About Reproduction management
About 繁殖管理
About 解析
About 妊娠
About 発情
About 人工授精
About 分娩
About 予定
About 状況
About 対策