Paenibacillus 79R4, a potential rumen probiotic to enhance nitrite detoxification and methane mitigation in nitrate-treated ruminants

Latham, Elizabeth; Pinchak, W. E.; Trachsel, Julian; Allen, Heather K.; Callaway, Todd R.; Nisbet, David J.; Anderson, Robin C.

doi:10.1016/j.scitotenv.2019.03.390

Cited by 21 publications

(12 citation statements)

References 27 publications

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“…Currently, nitrate inclusion may not be advisable in commercial operations due to its potential toxicity. However, a denitrifying probiotic, Paenibacillus fortis, that can enhance nitrite detoxification in nitrate treated ruminants, has been identified (Latham et al 2019). If successful, nitrate and the probiotic might be a practical mitigation strategy to reduce CH 4 production from ruminants.…”

Section: Halogensmentioning

confidence: 99%

Feed additives as a strategic approach to reduce enteric methane production in cattle: modes of action, effectiveness and safety

et al. 2021

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Increasing consumer concern in greenhouse-gas (GHG) contributions from cattle is pushing the livestock industry to continue to improve their sustainability goals. As populations increase, particularly in low-income countries, the demand for animal-sourced foods will place further pressure to reduce emission intensity. Enteric methane (CH 4 ) production contributes to most of the GHG from livestock; therefore, it is key to mitigating such emissions. Feed additives have primarily been used to increase animal productivity, but advances in understanding the rumen has resulted in their development to mitigate CH 4 emissions. The present study reviewed some of the main feed additives with a potential to reduce enteric CH 4 emissions, focusing on in vivo studies. Feed additives work by either inhibiting methanogenesis or modifying the rumen environment, such that CH 4 production (g/day) is reduced. Feed additives that inhibit methanogenesis or compete with substrate for methanogens include 3-nitroxypropanol (3NOP), nitrates, and halogenated compounds containing organisms such as macroalgae. Although 3NOP and macroalgae affect methyl-coenzyme M reductase enzyme that is necessary in CH 4 biosynthesis, the former is more specific to methanogens. In contrast, nitrates reduce CH 4 emissions by competing with methanogens for hydrogen. However, nitrite could accumulate in blood and be toxic to ruminants. Rumen modifiers do not act directly on methanogens but rather on the conditions that promote methanogenesis. These feed additives include lipids, plant secondary compounds and essential oils. The efficacy of lipids has been studied extensively, and although supplementation with mediumchain and polyunsaturated fatty acids has shown substantial reduction in enteric CH 4 production, the results have been variable. Similarly, secondary plant compounds and essential oils have shown inconsistent results, ranging from substantial reduction to modest increase in enteric CH 4 emissions. Due to continued interest in this area, research is expected to accelerate in developing feed additives that can provide options in mitigating enteric CH 4 emissions.

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Section: Halogensmentioning

confidence: 99%

Feed additives as a strategic approach to reduce enteric methane production in cattle: modes of action, effectiveness and safety

et al. 2021

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“…Lactic acid bacteria, which have been used as feed additives for a long time, not only reduce CH 4 emissions per unit volatile fatty acid (VFA) output, but also improve the fermentation quality and fiber digestibility of silage ( Guo et al, 2020 ). In addition, the denitrifying bacterium Bacillus 79R4 could prevent NO − 2 -N poisoning and microbial ecosystems from impairing fermentation efficiency ( Latham et al, 2019 ). Furthermore, Bacillus licheniformis reduces CH 4 production and increases feed energy and protein utilization ( Deng et al, 2018 ).…”

Section: Resultsmentioning

confidence: 99%

Research progress on the application of feed additives in ruminal methane emission reduction: a review

Sun

Liu

Fan

et al. 2021

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Background Ruminal methane (CH4) emissions from ruminants not only pollute the environment and exacerbate the greenhouse effect, but also cause animal energy losses and low production efficiency. Consequently, it is necessary to find ways of reducing methane emissions in ruminants. Studies have reported that feed additives such as nitrogen-containing compounds, probiotics, prebiotics, and plant extracts significantly reduce ruminant methane; however, systematic reviews of such studies are lacking. The present article summarizes research over the past five years on the effects of nitrogen-containing compounds, probiotics, probiotics, and plant extracts on methane emissions in ruminants. The paper could provide theoretical support and guide future research in animal production and global warming mitigation. Methods This review uses the Web of Science database to search keywords related to ruminants and methane reduction in the past five years, and uses Sci-Hub, PubMed, etc. as auxiliary searchers. Read, filter, list, and summarize all the retrieved documents, and finally complete this article. Results Most of the extracts can not only significantly reduce CH4 greenhouse gas emissions, but they will not cause negative effects on animal and human health either. Therefore, this article reviews the mechanisms of CH4 production in ruminants and the application and effects of N-containing compounds, probiotics, prebiotics, and plant extracts on CH4 emission reduction in ruminants based on published studies over the past 5 years. Conclusion Our review provides a theoretical basis for future research and the application of feed additives in ruminant CH4 emission reduction activities.

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“…Likewise, in another CH 4 estimation study using head hood systems conducted in Bacillus licheniformis-supplemented Dorper × thin-tailed Han wethers, Deng et al [136] reported a 6% reduction in daily CH 4 production. Additionally, Latham et al [137] found the possibility of using Paenibacillus 79R4 as a probiotic supplement in order to reduce nitrate toxification and CH 4 production in nitrate-treated steers grazing on Bermuda grass pasture. Suryani et al [138] found that Saccharomyces cerevisiae and combination of Saccharomyces cerevisiae with Bacillus amyloliquefaciens could reduce the CH 4 production from Bali cattle kept in individual pens by stimulating the acetogens in the rumen to compete with methanogenic bacteria.…”

Section: Probiotic Feedingmentioning

confidence: 99%

Towards Sustainable Livestock Production: Estimation of Methane Emissions and Dietary Interventions for Mitigation

et al. 2021

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The increasing need for sustainable livestock production demands more research in the field of greenhouse gas (GHG), particularly methane (CH4), measurement and mitigation. Dietary interventions, management, and biotechnological strategies to reduce the environmental impacts and economic implications of enteric CH4 emissions are needed. While the use of biotechnological interventions and management strategies can be challenging on a routine basis, feed additive supplementation appears to be the most researched, developed, and ready to use strategy to mitigate enteric CH4 emissions. This paper discusses various recently developed feeding strategies to reduce enteric CH4 emissions in livestock. Additionally, the manuscript reviews various technologies developed for CH4 estimation since the accurate and reliable estimation of CH4 emissions can be a limiting step in the development and adoption of any mitigation strategy.

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Paenibacillus 79R4, a potential rumen probiotic to enhance nitrite detoxification and methane mitigation in nitrate-treated ruminants

Cited by 21 publications

References 27 publications

Feed additives as a strategic approach to reduce enteric methane production in cattle: modes of action, effectiveness and safety

Feed additives as a strategic approach to reduce enteric methane production in cattle: modes of action, effectiveness and safety

Research progress on the application of feed additives in ruminal methane emission reduction: a review

Towards Sustainable Livestock Production: Estimation of Methane Emissions and Dietary Interventions for Mitigation

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