期刊
REPRODUCTION FERTILITY AND DEVELOPMENT
卷 33, 期 2, 页码 1-19出版社
CSIRO PUBLISHING
DOI: 10.1071/RD20205
关键词
breeding goals; feeding strategies; genetic resources; global warming; grazing ruminants; sustainable intensification
资金
- World Universities Network
- Defra UK [LM0201]
- Soil to Nutrition Institute Strategic Program Grant [BBS/E/C/000I0320]
- North Wyke Farm Platform National Capability Grant at Rothamsted Research - UK Biotechnology and Biological Sciences Research Council (BBSRC) [BBS/E/C/000J0100]
- Scottish Government
- European Commission
- Defra under the ERA-NET SusAn (Sustainable Animal Production) Program
- Global Food Security's 'Resilience of the UK Food System Program' from BBSRC
- Economic and Social Research Council
- Natural Environment Research Council
- Department of Agriculture, Food and the Marine, Ireland's Competitive Research Funding Programs
- French National Research Institute for Agriculture, Food, and Environment (INRAE)
- Nouvelle-Aquitaine region
- Brazilian Agricultural Research Corporation Embrapa [02.12.02.008.00.02]
- USDA Agricultural Research Service Long-Term Agroecosystem Research Network
- USDA National Institute of Food and Agriculture (NIFA) through its Capacity Building Grant for Non-Land Grant Colleges of Agriculture
- USDA-NIFA
- BBSRC [BBS/E/C/000I0330, BBS/E/C/000I0320, BB/R005648/1, BB/L021285/1, BBS/E/C/000J0100, BBS/E/C/000I0310, BB/N022408/1, BB/P005098/1] Funding Source: UKRI
Research-led animal and plant breeding, as well as feeding strategies, are essential for optimizing ruminant systems to address the challenges of climate change and limited land resources.
Ruminant livestock are raised under diverse cultural and environmental production systems around the globe. Ruminant livestock can play a critical role in food security by supplying high-quality, nutrient-dense food with little or no competition for arable land while simultaneously improving soil health through vital returns of organic matter. However, in the context of climate change and limited land resources, the role of ruminant-based systems is uncertain because of their reputed low efficiency of feed conversion (kilogram of feed required per kilogram of product) and the production of methane as a by-product of enteric fermentation. A growing human population will demand more animal protein, which will put greater pressure on the Earth's planetary boundaries and contribute further to climate change. Therefore, livestock production globally faces the dual challenges of mitigating emissions and adapting to a changing climate. This requires research-led animal and plant breeding and feeding strategies to optimise ruminant systems. This study collated information from a global network of research farms reflecting a variety of ruminant production systems in diverse regions of the globe. Using this information, key changes in the genetic and nutritional approaches relevant to each system were drawn that, if implemented, would help shape more sustainable future ruminant livestock systems.
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