Efficient and profitable swine production depends upon an understanding of the concepts of genetics, environment, herd health, management, and nutrition. These factors interact with each other, and their net output determines the level of production and profitability.

Feed represents 60 to 75 percent of the total cost of pork production. Therefore, amino acids, carbohydrates, vitamins, minerals, and water must be provided and balanced to meet the pig's requirements. Thus, a thorough knowledge of the principles of swine nutrition is essential in order to maintain a profitable swine enterprise.

This article provides a very thorough coverage of all the various aspects of swine nutrition.