Chaonasa can take advantage of the full-fat. As usual, there will be a natural food, including plants and animals, both small that can not be seen with the naked eye, and general appearance. These natural food usually does not have any utilization. Even if the farmer and the farming of the season suggests there is fertilizer application in the field, and will be even more complete, natural foods, natural foods, this valuable abandoned without any benefit to. If a fish is particularly useful, worthwhile. By the change in the form of a protein, beef shank, fish farmers and landowners, as well as additional income may be another way.