解读辣木籽和益生菌对减轻反刍动物沼气生产的作用。

IF 3.5 3区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Mona M M Y Elghandour, Edson Brodeli Figueroa Pacheco, Ameer Khusro, Deli Nazmín Tirado-González, Maximilian Lackner, José Luis Ponce-Covarrubias, Pasquale De Palo, Aristide Maggiolino, Abdelfattah Z M Salem
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引用次数: 0

摘要

通过饮食调节减少家畜温室气体(GHG)排放,从而维持更清洁、更可持续的生态系统,这种需求十分迫切。本研究旨在评估油辣木籽和益生菌(Pediococcus acidilactici BX-B122 和 Bacillus coagulans BX-B118)作为饲料添加剂对阉牛和绵羊温室气体产生和发酵情况的影响。处理包括含 0%、6%、12% 和 18% 油橄榄种子粉的日粮和益生菌混合物(0.2 毫升/克日粮)。采用标准方案记录了动物的沼气总产量、CH4、CO 和 H2S 排放量(最长 48 小时)、瘤胃发酵概况和 CH4 转化效率。结果表明,油橄榄果籽和益生菌对沼气产量和沼气总产量(48 小时内)的影响是相互影响的(使用 6% 和 18% 的油橄榄果籽,阉牛的 P4 排放量从 0.1694 毫升/小时降至 0.0447 毫升/小时(阉牛的 P2S 产量从 0.0675 毫升 H2S/g DM 降至 0.0112 毫升 H2S/g DM(发酵 48 小时))。在绵羊中,添加剂可将 H2S 产量从 0.0364 毫升 H2S/g DM(发酵 48 小时)降低到 0.0029 毫升 H2S/g DM(发酵 48 小时),但不存在交互作用(P = 0.7744)。此外,M. oleifera 种子和益生菌降低了牛和绵羊的 pH 值和干物质降解率(DMD)(P4:ME 和 CH4:OM(牛)和 CH4:SCFA(绵羊)),而 CH4:SCFA(牛)和 CH4:ME 和 CH4:OM(绵羊)的交互作用不显著(P > 0.05)。总之,油橄榄种子和益生菌在饲粮中的相互作用减少了温室气体的排放,并影响了阉牛和绵羊的发酵状况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Deciphering the role of Moringa oleifera seeds and probiotic bacteria on mitigation of biogas production from ruminants.

Deciphering the role of Moringa oleifera seeds and probiotic bacteria on mitigation of biogas production from ruminants.

Maintaining cleaner and more sustainable ecosystems by mitigating greenhouse gas (GHG) emissions from livestock through dietary manipulation is in demand. This study was aimed to assess the effect of Moringa oleifera seeds and probiotics (Pediococcus acidilactici BX-B122 and Bacillus coagulans BX-B118) as feed supplements on GHG production and fermentation profile from steers and sheep. The treatments included diets containing 0, 6, 12, and 18% of M. oleifera seeds meal and a mixture of probiotic bacteria (0.2 ml/g of diet). Total biogas production, CH4, CO, and H2S emission from animals (up to 48 h), rumen fermentation profile, and CH4 conversion efficiency were recorded using standard protocols. Results showed interaction among M. oleifera seeds and probiotics on asymptotic biogas production and total biogas production up to 48 h (P < 0.05). The rate of CH4 emission in steers was reduced from 0.1694 to 0.0447 ml/h using 6 and 18% of M. oleifera seeds (P < 0.05). Asymptotic CO and the rate of CO production were increased (P < 0.05) by supplementing different doses of M. oleifera seeds and probiotics. Adding 12% of M. oleifera seeds and probiotics reduced H2S production from 0.0675 to 0.0112 ml H2S/g DM (at 48 h of fermentation) in steers. In sheep, the additives mitigated H2S production from 0.0364 to 0.0029 ml H2S/g DM (at 48 h of fermentation), however there were not interaction (P = 0.7744). In addition, M. oleifera seeds and probiotics reduced the pH level and dry matter degradability (DMD) in steers and sheep (P < 0.0001) showing a positive impact on CH4:ME and CH4:OM (in steers) and CH4:SCFA (in sheep), while the interaction was not significant (P > 0.05) for CH4:SCFA (in steers) and CH4:ME and CH4:OM (in sheep). In conclusion, the interaction of M. oleifera seeds and probiotics in the feeding diet reduced GHG emissions and affected the fermentation profile of steers and sheep.

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来源期刊
AMB Express
AMB Express BIOTECHNOLOGY & APPLIED MICROBIOLOGY-
CiteScore
7.20
自引率
2.70%
发文量
141
审稿时长
13 weeks
期刊介绍: AMB Express is a high quality journal that brings together research in the area of Applied and Industrial Microbiology with a particular interest in ''White Biotechnology'' and ''Red Biotechnology''. The emphasis is on processes employing microorganisms, eukaryotic cell cultures or enzymes for the biosynthesis, transformation and degradation of compounds. This includes fine and bulk chemicals, polymeric compounds and enzymes or other proteins. Downstream processes are also considered. Integrated processes combining biochemical and chemical processes are also published.
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