1. They work closely with their veterinarian to keep their pigs healthy, and properly treat them when they get sick.
2. Clean, clean, clean. They scrub those barns till they shine — or are at least are thoroughly disinfected.
3. They wash their hands frequently.
4. To keep it sterile, they have more wardrobe changes than a pop star at the Grammys.
5. They eat the same pork you do.
Read more about how pig farmers use food safety here.