There are about 150,000 pigs raised in North Dakota. Each average pig, taken to market by a producer, represents 371 servings of pork. Byproducts from pork are used in a lot of surprising ways. Insulin from pigs is used in the treatment of diabetes. Pig heart valves are used to replace damaged or diseased human heart valves. Skin from hogs is used to treat severe burn victims, just to name a few.