Pigs are omnivores, which means that they consume both plants and animals. Pigs will scavenge and have been known to eat any kind of food, including dead insects, worms, tree bark, rotting carcasses, garbage, and even other pigs. In the wild, they are foraging animals, primarily eating leaves, grasses, roots, fruits and flowers.
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Occasionally while in captivity, pigs may eat their own young if they become severely stressed.
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Pigs harbour a range of parasites and diseases that can be transmitted to humans. These include trichinosis, Taenia solium, cysticercosis, and brucellosis. Pigs are also known to host large concentrations of parasitic ascarid worms in their digestive tract
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Pigs will even eat small animals and destroy nests of ground nesting birds.[4] The Invasive Species Specialist Group lists feral pigs on the list of the world's 100 worst invasive species
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see link 4 more information about PIGS
"http://en.wikipedia.org/wiki/Pig"

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