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fang mu jia xu cai shi liang he xiao hua lv ji suan gong shi cun zai de wen ti yu gai jin
Author(s): 
Pages: 50-54
Year: Issue:  2
Journal: China Yak

Keyword:  采食量消化率计算公式外源性粗灰分指示剂回收率;
Abstract: 从理论上讨论了外源性粗灰分和指示剂回收率与放牧家畜采食量和消化率计算值之间的关系。分析表明,指示剂的回收率对现行公式的采食量和消化率计算值都有明显影响;外源性粗灰分使干物质消化率计算值偏低,但对各种营养成分消化率和采食量(以DM和OM表示)计算值无影响。改进后的新公式弥补了这些缺陷。
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