Livestock include goats, sheep, hogs, and cattle, horses. Suidae is a family of artiodactyl mammals which are commonly called pigs, hogs or boars. Most corn grown today is fed to livestock, especially hogs and poultry. Common varmints may include various rodents, coyotes, crows, foxes, feral cats, and feral hogs. The state's agricultural outputs are cattle, sheep, wheat, sorghum, soybeans, cotton, hogs, corn, and salt. The state has a feedlot-style system raising corn to fatten hogs and cattle. Local food production included grains, hogs, cattle, and gardens. Many of the cattle and hogs froze to death. Wild animals such as copperhead snakes, bears, feral hogs, and bobcats inhabit the area. Poland also is a significant producer of rapeseed, grains, hogs, and cattle. Natural predators include raptors such as hawks and eagles, roadrunners, wild hogs, and other snakes. By 1997 it was the state's top producer of both hogs and cattle. Only the Florida panther showed variation, often preferring feral hogs and armadillos. Precautions were recommended for those who hunt, dress, or prepare feral hogs. Snares are also used successfully as a trap for feral hogs.