Summary
This global synthesis draws on evidence from a network of research farms operating diverse ruminant production systems to identify priority genetic and nutritional changes necessary for climate-resilient, resource-efficient livestock systems. The work addresses the dual challenge of maintaining food security whilst mitigating greenhouse gas emissions and adapting to climate change. The authors conclude that research-led animal and plant breeding strategies, coupled with optimised feeding approaches tailored to specific production contexts, are essential to shape more sustainable future ruminant livestock systems.
Regional applicability
The findings are directly applicable to UK ruminant systems, particularly grassland-based dairy and beef production. The emphasis on breeding for feed conversion efficiency and methane mitigation, combined with grazing-based management, aligns with UK policy objectives around agricultural sustainability and climate targets, though implementation will depend on access to improved genetics and adoption pathways within UK farming networks.
Key measures
Feed conversion efficiency, greenhouse gas emissions (methane), genetic selection criteria, nutritional interventions, system sustainability metrics, reproductive performance, heat tolerance, disease resistance, and adaptive capacity across diverse production contexts
Outcomes reported
The study synthesised data from a global network of research farms to identify priority changes in genetic selection and feeding strategies that could improve ruminant livestock sustainability, whilst identifying and characterising key productive, reproductive, and adaptive traits for ruminant livestock supporting resilience across diverse production systems under climate change scenarios.
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