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水牛瘤胃液和粪便中微生物区系体外发酵活力的比较 被引量:1

COMPARATION OF IN VITRO FERMENTATION ACTIVITY OF MICROGANISM FTORA FROMRUMEN FLUID AND FACESE OF BUFFALOS
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摘要 瘤胃中栖息着大量的微生物 ,这些微生物除帮助宿主消化食物外 ,还有很多功能有待探索。因此 ,有必要在体外条件下深入研究其功能。如果从瘤胃中直接采集微生物 ,就必须购买动物并安装和维护瘘管。这不仅费用昂贵 ,而且也有害于动物的福利。本实验以不同大小的稻草片段(稻草粉、1cm和2cm稻草片段)和精饲料为底物 ,利用气压转换技术 ,比较了2头水牛瘤胃液和粪便来源的微生物体外培养时产量的变化。结果表明 ,体外培养96小进后 ,气体累积产量粪便要略低于瘤胃液 ,但差异未达显著水平 ;气体产量累积图模式也无显著差异 ,但粪便的发酵落后于瘤胃液。因此 ,我们认为在生产应用中可试用粪便中的微生物区系替代瘤胃微生物区系。这种发酵落后的原因还有待于进一步探索。
出处 《动物营养学报》 CAS CSCD 1999年第S1期256-256,共1页 CHINESE JOURNAL OF ANIMAL NUTRITION
关键词 水牛 微生物区系 体外发酵 buffalo microganism flora in vitro fermentation
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