略語大辞典 [Agri] 37 TDN total digestible nutrients 可消化養分総量. 飼料の中の養分の割合. 可消化炭水化物+可消化粗脂肪×2.25 + 可消化蛋白質(DCP).total digestible nutrients; ref. DCP(digestible crude protein); [Agri:Food:Eco:Bio]. 丸善「略語大辞典」JLogosID : 11851647