Domestic North American pigs originated from wild stocks in European, Asian and North African forests. According to Encyclopedia Britannica, wild North American pigs are believed to have been aboard Christopher Columbus’ second voyage in 1493 and brought to the United States in the early 1500s.
There has been scientific breeding of pigs in the United States and Europe. Denmark produced the Landrace breed, which is raised for its high-quality bacon. The Yorkshire breed, which is also known as the Large White, originated in Britain in the 18th century. There are few differences between wild pigs, which are also known as boars, and domestic pigs. The tusk-like teeth of domestic pigs are not as developed as the tusks of wild pigs. Wild pigs use the sharp end of tusks to forage for roots and as a defensive weapon. Wild pigs can live over 25 years.Learn More
In North America, predators of the pig include mountain lions, coyotes, dingoes, alligators and bobcats. Pigs have been domesticated since 10,000 BC and often live on farms. Wild and domesticated pigs can be found on every continent with the exception of Antarctica. Wild pigs are fast runners and good swimmers. They seek out moist forests near swamps and rivers as their habitat.Full Answer >
Some breeds of domestic pigs have curly tails, and different theories as to why exists. One theory states that ancient Chinese farmers liked the select for it, because the curly-tail trait was linked to a strong trait that Chinese farmers preferred, according to Life 123. Another theory suggests that the curly tail reduces tail injuries in domestic pigs kept on farms, states Life 123.Full Answer >
Pigs grunt, bark and squeal to communicate with each other, indicating happiness, fear and other emotions. The bulk of their communication is verbal with approximately 20 distinct sounds.Full Answer >
Although they have a few sweat glands, pigs are unable to sweat. However, pigs are still able to maintain a healthy body temperature in other ways.Full Answer >