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当前位置: 首页 > 文章 > 日粮中添加N-氨甲酰谷氨酸对奶牛泌乳性能的影响 农学学报 2015,5 (3) 78-80
Position: Home > Articles > Effects of N-Carbonyl Glutamic Acid on Milk Yield of Dairy Cattle Journal of Agriculture 2015,5 (3) 78-80

日粮中添加N-氨甲酰谷氨酸对奶牛泌乳性能的影响

作  者：
陈丽丽;马毅;赵庆彬
单  位：
天津市奶牛发展中心
关键词：
NCG;奶牛;产奶量;乳成分
摘  要：
研究NCG对奶牛泌乳性能的影响,选取20头年龄、胎次、泌乳状况基本相同的荷斯坦奶牛随机分成2组,分别饲喂在基础日粮中添加0(试验组)和20 g/(d·头)(试验组)的NCG(N-氨甲酰谷氨酸)日粮。试验结果表明,日粮中添加NCG可使奶牛日产奶量提高0.7 kg(P<0.05),可使每头奶牛1个泌乳期增加经济利润1088.85元;乳脂率降低显著(P<0.05),乳蛋白率显著升高(P<0.05)。提示NCG可以通过尿素循环间接影响奶牛泌乳量及乳成分。
译  名：
Effects of N-Carbonyl Glutamic Acid on Milk Yield of Dairy Cattle
作  者：
Chen Lili;Ma Yi;Zhao Qingbin;Tianjin Dairy Development Center;
关键词：
NCG;;Dairy Cattle;;Milk Yield Production;;Milk Composition
摘  要：
20 Chinese Holstein cows of basically the same condition at age and lactation were selected,randomly divided into 2 groups of 10 cows. This experiment was assigned to 2 dietary treatments: control group(0%) and NCG group(20 g/d) to study the effects of N-carbonyl glutamic acid added into dairy diet on yield ofdairy cattle. The results indicated that the milk production and milk protein rate of the NCG group was higherthan that of the control group; the fat in every milk samples was lower. The economic return of the NCG groupwas higher than that of the control group. It could be concluded that NCG could indirectly affect milk yield andcomponents of milk by urea cycle.

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