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Microbes and Methanogenesis

Microbes and Methanogenesis

Methanogenesis is a critical microbial process in anaerobic ecosystems responsible for the biological production of methane, a potent greenhouse gas and valuable biofuel. This metabolic pathway is primarily facilitated by methanogenic archaea, which thrive in anoxic environments such as wetlands, sediments, and animal gastrointestinal tracts. The absence of oxygen in these habitats prevents aerobic respiration, thereby favoring alternative biochemical pathways for organic matter degradation.In...

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Updated: Mar 29, 2026

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals

Published on: September 7, 2015

Measuring Methane Production from Ruminants.

Julian Hill¹, Chris McSweeney², André-Denis G Wright³

¹Centre for Environmental Sustainability and Remediation, School of Applied Sciences, RMIT University, Melbourne, VIC, Australia; Ternes Agricultural Consulting Pty Ltd, Upwey, Melbourne, VIC, Australia.

Trends in Biotechnology

|November 26, 2015

Summary

This summary is machine-generated.

Measuring methane (CH4) from livestock is crucial for understanding its high radiative forcing and impact on climate change. This review covers CH4 production, measurement techniques, and future research directions for enteric fermentation.

Keywords:

emissions measurements methane methanogenesis rumen

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Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

Design and Use of a Full Flow Sampling System FFS for the Quantification of Methane Emissions

Published on: June 12, 2016

Area of Science:

Agricultural Science
Environmental Science
Microbiology

Background:

Methane (CH4) has a higher radiative forcing than carbon dioxide (CO2).
Enteric CH4 production by ruminant livestock is a major source of greenhouse gas emissions.
CH4 production is linked to feed conversion efficiency and livestock productivity.

Purpose of the Study:

To review the conversion of carbohydrates to CH4 by gut bacteria.
To highlight host-microbiome interactions in CH4 production.
To present current techniques for measuring enteric CH4 in livestock.

Main Methods:

Review of existing literature on CH4 production and measurement.
Analysis of host-microbiome interactions.
Evaluation of current and emerging CH4 measurement technologies.

Main Results:

Enteric CH4 production is a complex process involving gut bacteria and host interactions.
Various techniques exist for measuring enteric CH4, each with specific applications and limitations.
Challenges in measurement include accuracy, cost, and scalability.

Conclusions:

Accurate measurement of enteric CH4 is vital for climate change mitigation strategies in agriculture.
Further research is needed to refine measurement techniques and address existing challenges.
Development of new approaches is ongoing to improve CH4 monitoring in livestock.