Search the EPA Research Database

Project title

The effect of oxidation-reduction potential modulators on the rumen microbiome and methane emissions

Primary Funding Agency

Irish Research Council

Co-Funding Organisation(s)

Lead Organisation

University of Galway

Lead Applicant

Not listed

Project Abstract

In order to meet current climate goals and reduce the impact of environmental degradation due to climate change, significant reductions in greenhouse gas (GHG) emissions are required. Agriculture, especially ruminant livestock contributes significantly to GHG emissions in the form of enteric methane. Reductions in methane emissions from livestock can be made through several methods such as dietary management, breeding, or supplementation. However, none of these methods have proved to be widely successful due to reasons of cost, practically, and reduced productivity. This project proposes to study the effects of a novel feed additive, on methane emissions from ruminates. This additive consists of an oxidation-reduction potential modulator, which makes the formation of methane in the rumen thermodynamically unfavourable. In addition, the development of a slow release system is proposed, which will negate the need for daily supplementation. This is highly relevant to the Irish agricultural system, which is largely pastoral and therefore is not suitable for daily dietary interventions. However, before this technology can be widely applied the microbiological basis for the observed methane reductions must be understood, especially the effects on the wider rumen microbiome. Therefore, a range of modern microbial ecology techniques are proposed to understand the microbiological basis for these methane reductions.

Grant Approved

�105,604.00

Research Hub

Climate Change

Research Theme

4. Air Science

Start Date

01/09/2023

Initial Projected Completion Date

31/08/2025