College of Agricultural Sciences

T. O. Dill, Turner, H. A., DE Mattson, D. W. Weber, and Baker, R. J., “EFFECTS OF ZINC, COPPER AND SELENIUM SUPPLEMENTATION ON THE HUMORAL IMMUNE SYSTEM OF WEANED STEERS.”, OSU DEPARTMENT OF ANIMAL SCIENCES, p. 9, 1991.

T. O. Dill, Turner, H. A., Weber, D. W., and Whanger, P. H., “Supplementation with injectable zinc, copper and selenium and the effects on average daily gain and plasma levels of weaned steers”. Oregon Agricultural Experiment Station, 1989.