Cow Feeding (IMAGE)

Penn State

Cow Feeding

Caption

Cows in the study at the Penn State dairy barns, to eat a sweet treat, put their heads in devices that measure methane they belch. The average dairy cow burps about 380 pounds of methane a year. Early studies show that supplementing their feed with seaweed could mitigate 80 percent of the potent greenhouse gas.

Credit

Hristov Research Group/Penn State

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