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.

J. D. Wallace, Raleigh, R. J., and Weswig, P. H., “Performance and Carotene Conversion in Hereford Heifers Fed Different Levels of Nitrate”, Journal of Animal Science, vol. 23, no. 4, pp. 1042 - 1045, 1964.

R. J. Raleigh and Wallace, J. D., “Performance of calves fed vitamin A with baled and chopped meadow hay”. Oregon Agricultural Experiment Station, 1964.

R. R. Wheeler, Weswig, P. H., Brannon, W. F., Hubbert, F., and Sawyer, W. A., “The Carotene and Vitamin A Content of Plasma and Liver of Range Hereford Cows and Their Calves in the Northern Great Basin”, Journal of Animal Science, vol. 16, no. 2, pp. 525 - 536, 1957.