探索菜饮食和肠球菌株对乳液发酵,气体生产和化物度的体外效应
Saowalak Lukbun1, Chanon Suntara1, Rittikeard Prachumchai2
1Tropical Feed Resources Research and Development Center (TROFREC), Department of Animal Science, Faculty of Agriculture, Khon Kaen University, Khon Kaen 40002, Thailand.
Animals : an open access journal from MDPI
|November 27, 2024
概括
用特定的细菌补充剂补充新鲜麻豆根 (FCR),特别是E. gallinarum KKU-BC15,显著提高化物降解,纤维消化能力和动物料中挥发性脂肪酸的产生.
科学领域:
- 动物营养和料科学 动物营养和料科学
- 动物生理学 动物生理学
- 微生物学和生物技术
背景情况:
- 大麻是一种主要的料成分,含有化 (HCN),是一种有毒化合物,限制了其利用.
- 细菌补充剂 (CUB) 为减轻HCN毒性和提高料质量提供了一个潜在的策略.
研究的目的:
- 评估不同HCN来源 (新鲜麻豆根 - FCR,新鲜麻豆叶 - FCL) 和度对HCN减少的影响.
- 评估细菌补充剂 (E. faecium KKU-BF7,E. gallinarum KKU-BC15) 对HCN降解,气体生成和体外可消化的影响.
主要方法:
- 一个使用完全随机设计 (CRD) 的2x2x3+1因数实验.
- 这些因素包括HCN来源 (FCR vs. FCL),HCN度 (300 vs. 600 mg/kg DM) 和细菌补充剂 (没有CUB,CUB1,CUB2).
- 在体外化以测量气体产量,HCN降解效率和体外酸性洗剂纤维消化率 (IVADFD).
主要成果:
- 细菌补充剂 (CUB1,CUB2) 显著增加了累积的气体产量.
- 来自FCR的高HCN水平与细菌补充剂相结合,导致高HCN降解效率 (>98%).
- 较高的HCN水平和E. gallinarum KKU-BC15 (CUB2) 改善了IVADFD,总挥发性脂肪酸 (VFA) 和酸 (C3) 度.
结论:
- 在高水平的HCN中用E. gallinarum KKU-BC15补充新鲜麻根有效降解化物.
- 这种补充策略提高了纤维消化能力,改善了挥发性脂肪酸概况,有利于反动物的营养.
- E. gallinarum KKU-BC15 显示出作为一种有希望的料添加剂,可以提高麻基饮食的营养价值.
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