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Promising feed supplements could squelch the belch in cows

You may have heard about this research challenge in recent years: Scientists are looking for ways to reduce the amount of methane that cows release into the air through burping and flatulence. You probably chuckled as you read it.

But it’s a serious matter and a national environmental priority. The nation’s 89 million cows — along with a much smaller number of sheep — are responsible for 25% of the nation’s yearly methane emissions, second only to oil and gas production, according to the U.S. Environmental Protection Agency. That’s equivalent to the amount of greenhouse gases emitted by 650 million cars. | READ MORE