Smith, J.W. II; Tokach, M.D.; Goodband, R.D.; Nelssen, J.L.; Richert, B.T.; Dritz, S.S.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1994)
Two experiments were conducted to examine the effects of supplementing starter pig diets with zinc oxide and (or) copper sulfate on starter pig performance. In experiment 1, two hundred forty pigs were used in a 28-day ...