You reward the pig for confining its bathroom habits to the outdoors. Some people have trained their pigs to use a litter box. The most easy method of house training is to teach the pig to eliminate in one spot outside. Most people fall under the myth that a pig is like a garbage disposal and the diet should be scraps and garbage. This is incorrect and will result in an overly plump pig.
Pigs are prone to obesity so it is important to regulate their diet.
The potbellied pig s diet should be high in fiber and low in fat. They should always have a clean supply of water. The diet should consist of commercial pelleted pig chow that you probably will have to purchase at a feed store or a specialty pet store. You can always ask the breeder where to get this special food. A pig should be fed twice a day supplementing the pig chow with fruits, vegetables, grass, hay, and alfalfa.