The use of feed additives is a common practice for almost all species of animals raised under man's control. Addition of 60 ppm copper as copper sulfate to turkey diets improved growth rate to 8 weeks of age when low protein diets were used (POULTRY 81-2). This level of copper (60 ppm) along with Neo-Terramycin and Bacitracin was used in a factorial experiment to compare copper (Cu) and these two antibiotic supplements on the growth rate of turkeys receiving low or high protein diets.
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Department of Animal Science, Agricultural Experiment Station, South Dakota State University
Samie, Hossein; Kashani, A. B.; and Carlson, C. W., "Effect of Feed Additives on the Growth of Turkeys" (1982). South Dakota Poultry Field Day Proceedings and Research Reports, 1982. 3.