Pelleting of feed or the use of antibiotics has been shown to improve laying hen performance under certain conditions. The results from a previous experiment at this station showed that, while pelleting of a low density diet improved hen-day egg production, bacitracin increased production only during the later stages of production. Feed conversion was considerably improved due to either pelleting or the addition of bacitracin when the hens were over 60 weeks old. Neither form nor level of bacitracin (10, 20 and 40 g/ton) appeared to influence the overall performance.
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Department of Animal Science, Agricultural Experiment Station, South Dakota State University
Kashani, A. B. and Carlson, C. W., "Effect of Pelleting With And Without Aureomycin On Egg Production" (1981). South Dakota Poultry Field Day Proceedings and Research Reports, 1981. 10.