| 添加三聚氰胺对高粗料日粮短期人工瘤胃发酵理化指标的影响 |
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| 引用本文： | 孟祥坤,杨红建,曹兵海,庄宏,张丹凤.添加三聚氰胺对高粗料日粮短期人工瘤胃发酵理化指标的影响[J].中国畜牧杂志,2010,46(9). |
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| 作者姓名： | 孟祥坤 杨红建 曹兵海 庄宏 张丹凤 |
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| 作者单位： | 1. 国家现代肉牛产业技术研发中心,中国农业大学动物科技学院,北京,100193
2. 中国农业大学生物学院,北京,100193 |
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| 基金项目： | 国家现代肉牛产业技术体系;公益性农业(肉牛)行业专项 |
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| 摘 要： | 为研究三聚氰胺对瘤胃微生物发酵的影响,试验采集西门塔尔×鲁西黄牛瘤胃液,以高比例粗饲料为底物,采用短期人工瘤胃发酵产气装置,分析评价了不同剂量三聚氰胺(0、6、18、54、162、486 mg/kg)对氨态氮、氨基酸态氮、干物质产气量、挥发性脂肪酸、气体组分的影响。结果表明:三聚氰胺可减少高粗料日粮瘤胃发酵总挥发性脂肪酸的产生,并且有提高乙酸与丙酸比值的趋势(P>0.05)。高浓度的三聚氰胺(486 mg/kg)能显著提高氨态氮的浓度(P<0.05)。三聚氰胺的添加对干物质产气量影响不大,但可使甲烷产量提高8.0%～41.7%。综上所述,以高粗饲料日粮为发酵底物时,三聚氰胺添加对瘤胃的发酵并没有产生显著不利影响,但可提高甲烷产生量,从而降低饲料能量的转化效率。
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| 关 键 词： | 三聚氰胺 短期人工瘤胃发酵 挥发性脂肪酸酸 干物质产气量 |
Influence of Melamine at Different Levels on the Physiochemical Indexes by Using Short-term Artificial Rumen Fermentation at High Forage |
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| MENG Xiang-kun,YANG Hong-jian,CAO Bing-hai,ZHUANG Hong,ZHANG Dan-feng.Influence of Melamine at Different Levels on the Physiochemical Indexes by Using Short-term Artificial Rumen Fermentation at High Forage[J].Chinese Journal of Animal Science,2010,46(9). |
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| Authors: | MENG Xiang-kun YANG Hong-jian CAO Bing-hai ZHUANG Hong ZHANG Dan-feng |
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| Abstract: | The experiment was conducted to determine the effects of difference concentrations of melamine on nitrogen metabolism,VFA production and gas production.The diet consisted of high concentration of crude fodder with supplemented as melamine.Treatments were 0,6,18,54,162 and 486 mg supplemental melamine/kg feed.The results showed that there were significant increases(P < 0.05) on NH3-N and the percentage of CH4 at the level 486 mg/kg of melamine,and the CH4 production was increased significantly at the level 18 mg/kg to 54 mg/kg(P < 0.05).These results indicated that melamine had no significantly bad influence on artificial rumen fermentation.But it increased the CH4 production and decreased feed conversion ratio. |
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| Keywords: | melamine short-term artificial rumen fermentation VFA gas production |
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