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芦丁对奶牛瘤胃内固相和液相降解纤维素相关酶活性的影响

Chinese Journal of Animal Science(2012)

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Abstract
本试验旨在研究芦丁对奶牛瘤胃纤维素酶活的影响.选择体重600 kg左右、体况良好、安装有永久性瘤胃瘘管的中国荷斯坦奶牛5头,采集瘤胃内容物制取固相和液相酶液,分别添加芦丁0(对照组)、0.02、0.04、0.06 mg/mL,采用DNS(3,5-二硝基水杨酸)还原法测定降解纤维素的相关酶活.结果表明:添加芦丁(0.02、0.04、0.06 mg/mL)的试验组与对照组相比较,奶牛瘤胃内容物固相和液相滤纸酶β-葡萄糖苷酶、羧甲基纤维素酶、微晶纤维素酶酶活均有显著提高(P<0.05),而果胶酶与木聚糖酶同对照组相比差异不显著(P>0.05),各组固相酶活都明显高于液相酶活.
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