The result of the experimentsshowed that MFN and EUN of the lactating ewes were 0. 1312 and 0. 1345 g / kgW0. 75. d andthe digestable protein requirement for milk production was 82g per kilogram of milk.

• 结果表明，小尾寒羊泌乳母羊代谢粪氮（MFN）和内源尿氮（EUN）的排出量分别为0.；1312和0