Fast track the creation of reference datasets to increase the accuracy of genomic estimated breeding values (GEBV). Create multi-trait selection indexes to enable balanced selection for reduced emissions. Accelerate adoption of genetic tools to reduce emissions by partnering with breeders to record methane output traits.
2025 - 2030
The CRC will invest $7.5 million over five years
Sam Clark
Program Lead
Sam Clark, Professor of Animal Genetics at UNE, leads research on livestock productivity, feed efficiency, and methane reduction. He directs major breeding projects and mentors emerging scientists, aiming to improve sustainability across plant and animal agriculture in Australia.
This project will record a large number of animals for both greenhouse gas emission and production traits, underpinning the development of Genomic Breeding Values (gEBVs) to enable effective and accurate selection for reduced methane emissions.
Program
This project is being completed as part of Program 2: Towards Methane-Free Cattle and Sheep
Importance
Genetic selection for lower methane emissions offers a long-lasting, cumulative reduction in greenhouse gas emissions across livestock industries. The project leverages existing genetic evaluation systems to ensure broad industry adoption. Genetic approaches are cost-effective, with reductions in methane emissions achieved at modest cost and with minimal impact on other productive traits.
Impact
Estimated reductions of 7–12% in beef cattle methane emissions by 2040, and up to 15% in sheep by 2040, with significant economic value at even modest carbon prices.
Project Team
The project is led by University of New England and Australian Agricultural Company (AACo), with partners Western Australian Agriculture Authority, University of Western Australia, The University of Queensland, Meat & Livestock Australia Limited, Department of Trade, Business and Asian Relations NT, Department of Primary Industries and Regional Development, Department of Energy, Environment and Climate Action Australian Agricultural Company Limited.
Pathways to Adoption
Estimated Breeding Values (EBVs) and Genomic Breeding Values (gEBVs) will be delivered through established industry pipelines. Communication, adoption, and evaluation plans, including field days, engagement with breeders, and development of training resources. On-farm trials and demonstrations will showcase the benefits and practicalities of selecting for low-methane animals. Input from breeders and producers will identify adoption barriers and inform resource development.
Research Timeline
Annual and semi-annual milestones include data collection, analysis, delivery of breeding values, extension activities, and final reporting.
PhDs
One PhD student will be enrolled at UNE supervised by Rachele Hergenhan, one student will be enrolled at UQ supervised by Mehrnush Fortan, a third student will be enrolled at UWA supervisor TBA.
