体外法研究四种反刍动物饲料添加剂对瘤胃发酵的影响

China Feed(2015)

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Abstract
为研究四种不同反刍动物饲料添加剂对瘤胃体外发酵的影响,本试验采用体外产气法和批次培养法分析不同添加水平的(0、1、2、4 g/kg干物质)枯草芽孢杆菌(Bacillus subtilis,BS)、活性酵母粉(Procreatin,PRO)、瘤胃发酵增强剂(FIB)和米曲霉(Aspergillusoryzae,AO)对体外发酵产气量及瘤胃发酵的影响。结果表明:(1)随着枯草芽孢杆菌添加剂量的增加,体外72 h累积产气量(GP72)、理论最大产气量(A)和产气曲线平滑度(B)有线性降低的趋势(0.05More
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