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Oregon researchers and seaweed growers tout feed additive as potential rapid methane-reduction tool for cattle
Summary
At an informational May 12 session the Senate Energy and Environment Committee heard researchers and growers describe prospects for using cultivated red seaweed as a small dietary supplement to cut enteric methane from cattle and to create coastal economic opportunities.
Oregon State University and local seaweed growers told the Senate Energy and Environment Committee on May 12 that cultivated red seaweed shows promise as a dietary supplement to reduce enteric methane emissions from cattle while creating new coastal jobs.
"When added to cattle diets in very small amounts...distilled weed can reduce methane emissions by as much as about 80 percent in trials," said Juliana Ranches, assistant professor and beef extension specialist at Oregon State University, describing research interest in the red seaweed asparagopsis (a species related to strains commonly discussed in the literature). Ranches said reductions are achieved at very low inclusion rates — on…
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