The Controversial Quest to Make Cow Burps Less Noxious

The Controversial Quest to Make Cow Burps Less Noxious

Because the plants cows eat are nutritionally poor, the animals have to eat a lot of food to survive, and periodically bring it back up from their four stomachs to ruminate it again—that’s “chewing the cud.” That leads to incessant burping or, as scientists call it, enteric emissions.