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Chapter 5, Key Finding 5

Various strategies are available to mitigate livestock enteric and manure CH4 emissions. Promising and readily applicable technologies can reduce enteric CH4 emissions from ruminants by 20% to 30%. Other mitigation technologies can reduce manure CH4 emissions by 30% to 50%, on average, and in some cases as much as 80%. Methane mitigation strategies have to be evaluated on a production-system scale to account for emission tradeoffs and co-benefits such as improved feed efficiency or productivity in livestock (high confidence, likely).