Pig

Pigs are most useful as picky eaters. They frequently consume all leftover crops and food byproducts that are unpalatable to humans. Both on a small scale and on an industrial level, pigs are raised. One of the most consumed meats by humans is still pork. Even human heart valves that are deteriorating can be replaced with pig heart valves.

In France, they are being used to find black truffles, one a delicious yet notoriously difficult delicacy to find. Pigs are among the most intelligent and gregarious animals. They typically create shaky ties with people and like intimate proximity. Additionally, they enjoy lying down next to people. Pigs often maintain good hygiene and keep their bathroom area apart from their eating and sleeping areas.