尿嘌呤衍生物法估测瘤胃微生物蛋白质产量

被引：21

作者：

马涛

刁其玉

邓凯东

机构：

[1] 中国农业科学院饲料研究所

来源：

动物营养学报 | 2011年 / 23卷 / 01期

关键词：

嘌呤衍生物; 微生物蛋白质; 点采样法; 菊糖法;

D O I：

暂无

中图分类号：

S823 [牛];

学科分类号：

090502 [动物营养与饲料科学];

摘要：

尿嘌呤衍生物法具有非侵入性和操作方便等优点,是估测微生物蛋白质产量的一种有效方法。该方法能够准确估测瘤胃微生物蛋白质产量的变化,且其残差变异低于其他方法,估测结果的一致性较好。对其改良后的方法有点采样法和菊糖法。点采样法优点在于可以确定恰当的采样时间,保证尿嘌呤衍生物与肌酐的比例(PD/C)与尿嘌呤衍生物日排出量的高相关性;菊糖法是利用了菊糖这种可靠尿液标记物来测定肌酐日排出量。

引用

页码：10 / 14

页数：5

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