莫林加叶提取物增强了膜的可降解性,并在体外修改了甲原体群落
Amr E El-Nile1, Marwa F A Attia2, Mahmoud A Elazab1
1Department of Livestock Research, Arid Land Cultivation Research Institute, City of Scientific Research and Technological Applications, New Borg El Arab, 21934, Alexandria, Egypt.
AIMS microbiology
|January 12, 2026
概括
在牲畜料中补充Moringa oleifera叶提取物 (ML) 减少了甲 (CH4) 排放和改变了小麦芽发酵. 这项研究调查了ML的ML.
科学领域:
- 体微生物学和发酵过程
- 动物营养和料科学动物营养和料科学
- 环境科学和温室气体减排
背景情况:
- 创新的料资源对于牲畜营养充足性和减少对环境的影响至关重要.
- 莫林加橄树叶提取物 (ML) 含有具有潜在抗菌性能的生物活性化合物.
- 了解ML对乳头功能的影响是可持续畜牧业生产的关键.
研究的目的:
- 评价Moringa oleifera叶提取物 (ML) 补充剂对体外转黄发酵,营养物质可降解性和甲 (CH4) 排放的影响.
- 分析ML的化学成分及其与观察到的效应的相关性.
- 为了研究在ML补充后,乳头甲原体社区结构的变化.
主要方法:
- 在体外气体生产系统使用基底饮食与ML补充剂的不同水平 (1.0,2.0,3.0mL/100g DM).
- 气色谱-质谱 (GC-MS) 用于ML化学分析.
- 16S rRNA基因测序用于微生物和甲原体社区分析.
- 测量营养物质可降解性,气体产生,挥发性脂肪酸 (VFA) 和原生动物数量.
主要成果:
- 补充ML显著降低了净气体产量和CH4排放量,以剂量依赖的方式.
- 真正可降解的干燥和有机物减少,而分离因子在较低的ML水平上增加.
- 总VFA和丁酸盐度下降;乙酸盐和酸盐在较低的ML水平下降,而异酸盐和异酸盐在最高水平上升 (ML3).
- ML改变了乳头甲原体社区结构,有利于特定的甲生物细菌物种.
结论:
- 莫林加橄叶提取物 (ML) 有效地减少了动物料中的体外甲 (CH4) 生产.
- ML通过改变挥发性脂肪酸概况和微生物群落结构来影响反发酵.
- ML显示了作为一种可持续的料添加剂的潜力,用于减轻反动物的温室气体排放.
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