The first book written about hog farming was in 3468 B.C. by Emperor Fo Hi, China.

Pigs exist on every continent except for Antarctica.

The first pig was brought to the United States in 1539 by Spanish explorer Hernando de Soto.

Commercial pork production dates back to the 1800s. Farmers used the new Erie Canal system to ship pigs back to the East Coast. They called hogs "Mortgage Lifters" because the profits from their hog farms paid for their new homesteads in the Midwest.

In Denmark there are twice as many pigs as people.

Big Bill holds the world record for the biggest pig in 1933. According to the Guinness World records, the Poland pig weighed 2,552 pounds with a height of 5 feet and length of 9 feet.

A pig can run a mile in seven minutes.

All pigs have small eyes and poor eyesight.

Pigs have more taste buds than humans. A pig has 15,000 taste buds while humans only have 9,000.

Pigs can drink up to 14 gallons of water every day.

Did you know that a pig can squeal louder than a Concorde jet? A pig's squeal can range from 10 to 115 decibels whereas a Concorde jet is under 112 decibels.

Pigs have an excellent sense of smell. Soldier pigs have gone to war, using their snouts as mine sniffers.

In comparison to their body size, pigs have small lungs.

Greedy behavior is associated with "pig" and "hog" because baby pigs are very aggressive when competing for milk from their mothers.

Pigs are not really a dirty animal. They roll in mud to keep cool because they have no sweat glands.

Insulin and more than 40 other medicines are made from pigs.

Biological (tissue) valves are taken from pigs to replace damaged human heart valves.

Pigskin - the traditional covering of a football - is one of the toughest animal hides, however a pig’s skin is extremely sensitive to temperature and injury.

Beyond providing meat, products from pigs can range from weed killers to cosmetics.

At birth a baby pig will weigh around 3.5 pounds, and will double its size in weight in seven days.

The largest litter of piglets ever born included 37 piglets, out of which 36 were born alive and 33 survived.

When fully grown, boars (male hogs) may weigh more than 500 pounds, and sows (female hogs) may weigh from 300 to 500 pounds.

Pigs must eat 3 pounds of feed to gain 1 pound of weight. Pigs have a rapid growth rate with ideal conditions, they can gain as much as two pounds a day.

Pigs are very intelligent animals. Ranking third behind apes and dolphins, pigs are the smartest animal on the farm.