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The research on degradation regularity of dry matter and starch from dissimilarity processed corns in the milk cow rumen
Author(s): LU Shoufeng, GA Erdi, QI Zhili, LU Guoqiang
Pages: 27-
29
Year: 2005
Issue:
16
Journal: FEED CHINA
Keyword: 玉米; 降解; 奶牛;
Abstract: 选择4头荷斯坦奶牛,利用尼龙袋法测定不同的物理加工处理(膨化、制粒、压扁、烘炒)的玉米干物质(DM)和淀粉在奶牛瘤胃中的降解率.各组玉米DM和淀粉的有效降解率从大到小依次为:膨化玉米>颗粒玉米>压扁玉米>对照玉米>烘炒玉米(P>0.05).DM和淀粉的有效降解率P值的显著改变可能是在水分、热量和压力的作用下,玉米籽实的结构发生了变化,导致各组玉米的瘤胃降解率也不同.
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