About KASUYA HIROTAKA
About 道総研 根釧農試
About Dairyman
About dairy cattle
About nutritional administration
About feed efficiency
About period(duration)
About nutrient uptake
About lactating diary
About feeding management
About Cattle
About 飼料効率
About 乳
About 栄養摂取
About 泌乳
About 前期
About 飼養管理