Biblio
“Effects of Zeranol and Monensin on Reproductive Performance of Replacement Heifers1”, The Professional Animal Scientist, vol. 8, no. 1, pp. 30 - 35, 1992.
, “EFFECTS OF ZINC, COPPER AND SELENIUM SUPPLEMENTATION ON THE HUMORAL IMMUNE SYSTEM OF WEANED STEERS.”, OSU DEPARTMENT OF ANIMAL SCIENCES, p. 9, 1991.
, “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.
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