Let them eat Kelp

According to a study by Australian researchers, adding very small amounts of a particular seaweed to bovine diets could reduce the amount of methane cows release by up to 99 percent.The seaweed, Asparagopsis taxiformis, produces a compound called bromoform that disrupts the enzymes that make methane in a cow’s gut,the Conversation reports. And methane in cows’ guts is a serious issue because it escapes