![]() On any given day in the U.S., there are more than 75 million pigs on factory farms, and 121 million are killed for food each year. ![]() Only pigs in movies spend their lives running across sprawling pastures and relaxing in the sun. Pigs are clean animals, but they do not sweat as humans do, so they prefer cool surfaces, such as mud, to help regulate their body temperature. Pigs, who can live into their teens, are protective of their young and form strong bonds with other pigs. These facts should not come as a surprise to anyone who has spent time around these social, playful animals. 1 Pigs can play video games, and when given the choice, they have indicated temperature preferences in their surroundings. Donald Broom, a Cambridge University professor and a former scientific adviser to the Council of Europe. Even more so than dogs and certainly three-year-olds,” says Dr. Pigs “have the cognitive ability to be quite sophisticated.
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