花生壳与苜蓿干草配比对饲粮组合效应的研究

Tianle HE,Wei KOU,Zhongyong CUI,Xiangmin ZHAO,Zeyan ZHANG,Jiu YUAN

Acta Ecologae Animalis Domastici（2020）

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Abstract

通过体外产气法研究精粗比40:60下花生壳与苜蓿干草配比对饲粮组合效应(Associative Effects,AE)的影响.将花生壳和苜蓿干草以50∶10、40∶20、30∶30、20∶40和10∶50的比例混合,设5个试验组和3个单独原料组,分别在培养2、4、6、9、12、24、36、48、72、96 h测定产气量(GP)以24h的产气量(GP24h)和加权估算值分析各组饲粮的组合效应(AE).结果表明:对于GP24h和AE值,均为40％花生壳组显著高于50％组(P＜0.05).30％花生壳组AE有高于50％组的趋势(P=0.056),20％花生壳组AE也有高于50％组的趋势(P=0.084).当花生壳与苜蓿干草以40∶20配比时组合效应最高(95.20％)(P＜0.05).

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