Quote:
Originally Posted by Number 10 GI
I grew up on a farm where we had a lot of cows. They do not fart, they cannot fart! Cows have a ruminant stomach comprised of 4 separate compartments. If an animal with a ruminant stomach eats fresh clover hay, gas will build up in the stomach and eventually swell the stomach to where it will interfere with breathing and stop the heart causing death. The animal with a ruminant stomach cannot pass the gas. Horses are different case, they fart loudly and often.
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1. Cows cannot digest grass (cellulose) because they lack the enzyme, cellulase, needed to metabolize that carbohydrate.
2. They are able to nourish themselves by having gut bacteria who do have cellulase. The end product of this metabolism is called carbon dioxide and is passed via the rectum which is called a fart.