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Genetic Evaluation Of Enteric Methane For Sustainable Irish Beef Cattle, Clodagh Ryan
Genetic Evaluation Of Enteric Methane For Sustainable Irish Beef Cattle, Clodagh Ryan
ORBioM (Open Research BioSciences Meeting)
Background:
Globally, livestock agriculture significantly contributes to human-induced greenhouse gas emissions, particularly through methane production. A potential approach to effectively, durably, and progressively reduce enteric methane emissions at a reasonable cost is through animal breeding.
Methods:
Individual animal methane records were available from 1,508 multi-breed growing beef cattle using GreenFeed Emission Monitoring systems. The objective of this study was to derive genetic parameters for a series of definitions of enteric methane, carbon dioxide, and dry matter intake (DMI). Estimated breeding values (EBVs) were generated for nine alternative definitions of enteric methane and EBVs were validated against phenotypic performance (adjusted for …