Because this is a domestic pig. In the past, wild boars were raised by humans. In the end, they evolved into domestic pigs, which did not have any abilities, disappeared, evolved, and evolved into animals that can only eat. Then why do humans raise pigs? Because China

There are more pigs. It is troublesome to raise pigs for hunting. They are raised for convenience and to make money. A large number of pigs are raised and sold because humans want to eat them. So why do humans eat pigs? Because they are pigs raised by humans.

Eat it, so you have to raise it. Human beings are far more advanced than pigs. This is the food chain and the law of nature. The higher ones eat the lower ones. Then why can't humans just eat plants? Plants are also alive, because if humans don't eat meat, they won't be as good as humans.

If you don’t eat meat at all before the age of 18, you will get sick and eventually die early.