The data obtained by these investigations would indicate: 1. That alfalfa, rape, rye and corn are the most important forages for hogs and should be contained in every rotation if possible. 2. That corn, shorts and tankage are the best concentrates both for the growing hog and for the breeding herd. 3. That growing hogs should receive a full concentrate ration of corn, shorts and tankage fed in the self feeder. 4. That a good concentrate for the breeding herd is a mixture of corn, 4 parts; shorts, 3 parts, and tankage 1 part. 5. That the breeding herd should receive a concentrate ration equal to from one to four percent of their live weight according to the demands of the individual hog. / Master of Science