添加丙烯酸酯或丙酮酸的米糠对体外瘤胃发酵和甲烷产量的调节作用。

IF 3.3 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY

Journal of the Science of Food and Agriculture Pub Date : 2025-06-13 DOI:10.1002/jsfa.14437

Jamal James D Manlapig, Jane Camille A Crisostomo, Makoto Kondo, Tomomi Ban-Tokuda, Hiroki Matsui

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引用次数: 0

摘要

背景：畜牧业对气候变化的影响很大，而肠道发酵产生的甲烷（CH4）是反刍动物排放的主要温室气体。因此，制定有效的策略来减少反刍动物生产对环境的影响是至关重要的，而CH4缓解剂的组合可能是实现这一目标的可行策略。本研究旨在评价米糠单独（对照+米糠，RB）或与丙烯酸酯（对照+米糠+丙烯酸酯，AA）或丙酮酸（对照+米糠+丙酮酸，PA）对瘤胃体外发酵参数、CH4产量和微生物种群的影响。结果：对照+米糠+丙酮酸（PA）处理的产气量最高，p4最低，CH4/消化干物质比值降低(P)。结论：RB与AA混合可作为CH4抑制剂；然而，由于其对产气量和DMD的负面影响，需要进一步研究以确定其最佳包裹体水平。©2025作者。约翰威利父子有限公司代表化学工业协会出版的《食品与农业科学杂志》。

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Assessment of rice bran with acrylate or pyruvate in modulating ruminal fermentation and methane production in vitro.

Background: Livestock production contributes largely to climate change and methane (CH₄) from enteric fermentation is the primary greenhouse gas emitted from ruminants. Thus, developing effective strategies to reduce the impact of ruminant production on the environment is crucial, and the combination of CH₄ mitigating agents may be a viable strategy to attain this. The present study aimed to evaluate the effect of rice bran alone (control+rice bran, RB) or in combination with acrylate (control+rice bran+acrylate, AA) or pyruvate (control+rice bran+pyruvate, PA) on rumen fermentation parameters, CH₄ production, and microbial populations in vitro.

Results: Gas production was highest in control + rice bran + pyruvate (PA) treatments and lowest (P < 0.01) in control + rice bran + acrylate (AA), whereas dry matter digestibility (DMD) was significantly lower (P < 0.05) in AA compared to control (CON) and PA. CH₄ and CH₄/digested dry matter decreased (P < 0.05) by more than 66% and 63%, respectively, in AA cultures, whereas total organic acid production increased (P < 0.01) compared to CON. Lactate levels were significantly higher (P < 0.05), while acetate, propionate and butyrate were notably lower (P < 0.05) in AA cultures than CON. Microbial analysis showed a significant decrease in methanogen populations in AA than CON (P < 0.01). Compared to CON, anaerobic fungi and Megasphaera elsdenii populations declined across all treatments (P < 0.01), whereas Selenomonas ruminantium populations decreased in RB and AA, and Prevotella ruminicola populations were higher in RB and PA (P < 0.05).

Conclusion: These findings suggest that incorporating RB with AA could be a viable CH₄ inhibitor; however, because of its negative effect on gas production and DMD, further investigations should be done to determine its optimum inclusion level. © 2025 The Author(s). Journal of the Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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来源期刊

Journal of the Science of Food and Agriculture 工程技术-农业综合

CiteScore

8.10

自引率

4.90%

发文量

634

审稿时长

3.1 months

期刊介绍： The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface. Published for SCI by John Wiley & Sons Ltd. SCI (Society of Chemical Industry) is a unique international forum where science meets business on independent, impartial ground. Anyone can join and current Members include consumers, business people, environmentalists, industrialists, farmers, and researchers. The Society offers a chance to share information between sectors as diverse as food and agriculture, pharmaceuticals, biotechnology, materials, chemicals, environmental science and safety. As well as organising educational events, SCI awards a number of prestigious honours and scholarships each year, publishes peer-reviewed journals, and provides Members with news from their sectors in the respected magazine, Chemistry & Industry . Originally established in London in 1881 and in New York in 1894, SCI is a registered charity with Members in over 70 countries.