Dairy cows fed a concentrate mixture containing 50% expeller-processed copra meal produced 0.12 pound per cow more butterfat daily than cows fed an equal amount of a high energy concentrate, lower in fat and in protein content.

M. Ronning, Department of Animal Husbandry, University of California, Davis, and Lee Davis and Frank Judson, both of La Sierra College, La Sierra, California, assisted in the trials.