优化精油混合物:对牛发酵和甲排放的协同效应
Memoona Nasir1, María Rodríguez-Prado1, Marica Simoni2
1Animal Nutrition and Welfare Service (SNiBA), Department of Animal and Food Science, Universitat Autònoma de Barcelona (UAB), 08193 Bellaterra, Spain.
Animals : an open access journal from MDPI
|July 29, 2025
概括
精油 (EOs) 可以减少反动物牲畜的甲排放. 肉叶,薄荷和花与三角草叶油的特定混合物在体外显示出协同效应,显著降低了甲的产生.
科学领域:
- 农业科学 农业科学
- 动物科学动物科学
- 环境科学 环境科学
背景情况:
- 动物牲畜是甲 (CH4) 排放的主要来源.
- 精油 (EOs) 通过调节反动物发酵来减轻这些排放,正在被探索.
- 对于EO混合物对反动物发酵和甲生产的协同效应尚不清楚.
研究的目的:
- 评估精油混合物的协同作用对体外乳头发酵和甲生产.
- 确定最佳的EO组合,以减少反动物的甲排放.
主要方法:
- 两次体外实验 (24小时) 使用批量培养与50:50料到缩基质.
- 实验1选了EO三元体 (提木,薄荷,肉叶;桃,花生叶,薄荷) 对pH,氨-N和挥发性脂肪酸 (VFA) 的影响.
- 实验2评估了使用压力传感器方法最有效的混合物的总气体和甲 (CH4) 生产.
主要成果:
- 发现的最佳混合物是肉叶+薄荷薄荷 (CIN+PPM, 80:20) 和桃+南瓜叶 (ANI+CLO, 80:20).
- 这些混合物增加了总VFA,降低了酸盐/酸盐比率,并降低了氨-N度.
- 这两种混合物都显著减少了总气体和CH4的产量,其中CIN+PPM显示了最大的甲减少,与单相比.
结论:
- 特定的精油组合在调节乳头发酵时表现出协同效应.
- 这些EO混合物在体外有效地减少甲和总气体产量.
- 需要进一步的体内研究来确认有效性并优化用于可持续畜牧生产的应用.
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