Advancements in Real-Time Monitoring of Enteric Methane Emissions from Ruminants

Seán O’Connor (), Flannagán Noonan, Desmond Savage and Joseph Walsh
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Seán O’Connor: IMaR Research Centre, Munster Technological University, V92 CX88 Tralee, Ireland
Flannagán Noonan: IMaR Research Centre, Munster Technological University, V92 CX88 Tralee, Ireland
Desmond Savage: Moonsyst, Kinsale, P17T183 Cork, Ireland
Joseph Walsh: IMaR Research Centre, Munster Technological University, V92 CX88 Tralee, Ireland

Agriculture, 2024, vol. 14, issue 7, 1-21

Abstract: The agricultural sector is responsible for a significant proportion of global anthropogenic methane (CH 4 ) emissions, with enteric CH 4 produced from ruminant livestock representing approximately 28% of the total. The development of effective mitigation strategies necessitates the accurate and actionable monitoring of CH 4 emissions. However, a considerable research gap remains concerning real-time monitoring techniques capable of supporting on-farm enteric CH 4 mitigation strategies. To bridge this research gap, this study explores the current status of real-time enteric CH 4 emission monitoring techniques and technologies for ruminants. The study achieves this by reviewing key biomarkers and proxies for ruminant emissions, examining established animal-based measurement techniques, exploring emerging technologies, and critically assessing technological limitations and opportunities. By shedding light on this research area, this study aims to assist stakeholders in developing a viable pathway for on-farm emission monitoring, with the hope of facilitating a meaningful reduction in GHG emissions from the livestock sector.

Keywords: enteric methane; emission monitoring; measurement technique; livestock management; on-farm emissions; greenhouse gas emissions (GHG) (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2024
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