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Grass is hard to digest. That s why cows chew an average of 50 times per minute – a total of 30,000 times per day. Even if we humans really make an effort, we generally don t chew a morsel of food more than 30 times. Cows produce over 150 liters of saliva per day as a result. This makes them very thirsty, so they also drink a lot of water: up to 180 liters per day. This is equivalent to a large bathtub filled to the top. If they are very thirsty, they can even drink 25 liters per minute.
