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维生素B_1对山羊瘤胃微生物体外发酵的影响 被引量:2

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摘要 以3头安装有永久性瘤胃瘘管的徐淮白山羊羯羊作为瘤胃液供体,可溶性淀粉、小麦淀粉、粉碎的滤纸纤维、木聚糖和果胶作为底物,精粗比为30:70,利用人工瘤胃体外培养法,研究不同浓度的维生素B1(0、10、20、30、40mg/kg)对瘤胃微生物体外发酵的影响。结果表明:低精料日粮条件下,随着维生素B1添加量的增加,培养液的pH呈上升趋势,NH3-N的平均浓度极显著提高(P<0.01);降低了乙酸浓度、丙酸浓度和TVFA浓度,提高了丁酸浓度;体外发酵24h时,10、20、30mg/kg处理组降低了"乙/丙";改变了瘤胃发酵类型。
出处 《上海畜牧兽医通讯》 2010年第1期10-11,共2页 Shanghai Journal of Animal Husbandry and Veterinary Medicine
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