The roles of phytogenic feed additives, trees, shrubs, and forages on mitigating ruminant methane emission

文献类型： 外文期刊

第一作者： Bature, Ibrahim

作者： Bature, Ibrahim;Wu, Xiaohu;Ding, Xuezhi;Bature, Ibrahim;Ding, Xuezhi

作者机构：

关键词： global warming; microbial fermentation; phytogenic feed additives; rumen microbiome; rumen manipulation; rumen microbe; bioactive material

期刊名称：FRONTIERS IN VETERINARY SCIENCE （ 影响因子：2.9； 五年影响因子：3.3 ）

ISSN：

年卷期： 2024 年 11 卷

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收录情况： SCI

摘要： Ruminant animals naturally emit methane gas owing to anaerobic microbial fermentation in the rumen, and these gases are considered major contributors to global warming. Scientists worldwide are attempting to minimize methane emissions from ruminant animals. Some of these attempts include the manipulation of rumen microbes using antibiotics, synthetic chemicals, dietary interventions, probiotics, propionate enhancers, stimulation of acetogens, manipulation of rumination time, vaccination, and genetic selection of animals that produce low methane (CH4). The majority of synthetic additives are harmful to both beneficial rumen microbes and the host or only temporarily affect methanogenesis. Phytogenic feed additives (PFAs) have recently emerged as the best alternatives to antibiotics and synthetic chemicals because of growing public concerns regarding drug resistance and the negative impacts of antibiotics and synthetic chemicals on humans, livestock, and the environment. These additives reduce methane production and improve the volatile fatty acid profile. In this review, we provide an overview of PFA sources and how their bioactive components affect the rumen microbiome to reduce methane emissions. Additionally, we highlight the mechanisms of action of PFAs as a whole, as well as some of their bioactive components. We also review some selected trees, herbs, shrubs, and forages and their roles in reducing methane emissions.

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