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紫花苜蓿干草粗蛋白质的含量为玉米子实的2～2.6倍,而且必需氨基酸含量高,可补偿玉米色氨酸、蛋氨酸和赖氨酸的欠缺,还能补偿一般精饲料矿物质和维生素的不足。因此,紫花苜蓿是草食牲畜的优良青饲料。
Alfalfa hay crude protein content of 2 to 2.6 times the corn seed, and essential amino acid content, can compensate for the lack of corn tryptophan, methionine and lysine, but also to compensate for the general lack of concentrate feed minerals and vitamins . Therefore, alfalfa is an excellent green feed for herbivores.