Fish Oil Could Curb Cow Farts

Cows break wind a lot, and their flatulence fills the air with methane, a potent greenhouse gas.

In fact, the EPA estimates that roughly 28 percent of all methane emissions related to human activity come from methane-producing bacteria in the rumens of domestic cattle, sheep and goats and other livestock known as ruminants, which eat plants that are mostly indigestible by other creatures. By volume, methane is more powerful than carbon dioxide at trapping solar energy and making the atmosphere behave like a greenhouse.

Fish oil could cut down on the boom-booms, a new study suggests.

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