College of Agricultural Sciences

B. J. J. Van Ryssen, Whanger, P. D., Turner, H. A., and Tinsley, I. J., “Mineral and vitamin interactions of steers in a Mediterranean climate”, Livestock Production Science, vol. 38, no. 2, pp. 107 - 115, 1994.

I. J. Tinsley, Van Ryssen, B. J. J., and Whanger, P. D., “1987 Progress Report -- Research in beef cattle nutrition and management: Plasma Levels of Vitamin E and Vitamin A in Cattle Raised Over a One Year Period on the Squaw Butte and Union Stations”, Oregon Agricultural Experiment Station, 1987.