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瘤胃保护性蛋氨酸对肉羊氮代谢及生长性能的影响 被引量:15

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摘要 本试验选用24只3月龄断奶二元杂交肉羊,采用随机区组试验设计,分为4个处理,分别饲喂瘤胃保护性蛋氨酸0、2.0、4.0g/d和6.0g/d,探讨瘤胃保护性蛋氨酸对肉羊氮代谢及生长性能的影响。结果表明:日粮中添加瘤胃保护性蛋氨酸能降低尿氮的排出量,提高氮沉积、日增重和氮的生物学利用率(P<0.05),但2.0、4.0g/d和6.0g/d3个处理组之间差异不显著(P>0.05)。在本试验条件下,日粮中瘤胃保护性蛋氨酸的适宜添加量为2.0g/d。
出处 《中国畜牧杂志》 CAS 北大核心 2010年第7期43-45,共3页 Chinese Journal of Animal Science
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