Research cow and Dr. Ermias Kebreab, at UC Davis.jpg
Research cow and Dr. Ermias Kebreab, at UC Davis
You might remember this story from all the attention it got in spring 2021: Research at UC Davis says that adding small amounts of a certain seaweed to cows’ diets reduces the methane they produce by up to 82 percent. This change in diet could do a lot to help the climate, because cattle and other ruminants produce about 5 percent of greenhouse gases in the United States.
The University of California says this work was one of its 10 best UC research stories for 2021. Today we update the story with UC Davis Animal Science Prof. Ermias Kebreab, who explains the research, its value in feeding people and reducing climate change, and how far along they are in bringing their work to market.
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