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Busting methane: Research funding gaps in US and UK regulatory lags

Report: Limited funding for US research into methane reduction

Report: Limited funding for US research into methane reduction

US and UK ag climate mitigation: challenges and innovations

Seaweed supplements reduce livestock methane emissions without affecting meat quality

 E-Mail Livestock farming is a major source of greenhouse gas emissions worldwide because ruminants like sheep and cattle produce methane as a byproduct of digestion. Supplementing the diet of beef cattle with red seaweed can more than halve methane emissions without compromising meat quality, according to a study, publishing March 17, 2021 in the open-access journal PLOS ONE, by Breanna Roque from the University of California and colleagues. The researchers fed twenty-one Angus-Hereford beef bullocks their usual diet of hay, grains, and corn, supplemented with either zero, low, or high concentrations of red seaweed (Asparagopsis taxiformis). They measured the quantity of methane, hydrogen, and carbon dioxide released by individual bullocks periodically for 21 weeks and found that seaweed supplements reduced methane emissions by between 45 percent and 68 percent. The proportion of forage in the base diet also influenced emissions; the greatest reductions were found with a high s