Feeding Cattle Seaweed Reduces Their Greenhouse Gas Emissions 82 Percent banner

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University of California Davis

March 18, 2021


Feeding Cattle Seaweed Reduces Their Greenhouse Gas Emissions 82 Percent


A bit of seaweed in cattle feed could reduce methane emissions from beef cattle as much as 82 percent, according to new findings from researchers at the University of California, Davis. The results, published recently in the journal PLOS ONE, could pave the way for the sustainable production of livestock throughout the world.

Over the course of five months last summer, Kebreab and Roque added scant amounts of seaweed to the diet of 21 beef cattle and tracked their weight gain and methane emissions. Cattle that consumed doses of about 80 grams (3 ounces) of seaweed gained as much weight as their herd mates while burping out 82 percent less methane into the atmosphere. Kebreab and Roque are building on their earlier work with dairy cattle, which was the world’s first experiment reported that used seaweed in cattle.  

Read the full article about the new findings HERE

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