A pig-raising method is provided that decreases the bad odors of pig excreta, improves pig-raising efficiency, and stimulates the growth of the pigs so as to improve the quality of their meat so as to enable pig farmers to obtain good-quality meat. With the pig-raising method of the present invention (1) a pig house is provided with a water-supply system that passes water through first ceramic particles, with said activated water then supplied to pigs for drinking, and (2) pigs are fed a blended feed that consists of ordinary feed and second ceramic particles whose main component is silica obtained from plant materials and which constitutes 0.1%-3.0% of the weight of said blended feed. Further, there is spread over the floors of the pig houses a floor covering that consists of a mixture of sawdust and the second ceramic particles, with said second ceramic particles constituting 1.0%-10% of the weight of said floor covering.