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Economic analyses were conducted to estimate the effect of management decisions on profitability of yearling production systems. Three reported experiments were analyzed where rate of winter gain and length of summer grazing were variables. Corn stalk grazing with distillers grains supplement is quite economical. Winter gains of 1.5 to 2.0 lb/day were more profitable, aft er grass or aft er feedlot, than winter gains less than 1 lb/ day. Yearlings compensated for lower winter gains while on grass, but those gaining more in the winter gained better in the feedlot and produced heavier final weights. The analyses do not show a clear benefit for marketing yearlings off grass in July versus September.