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Systems for producing leaner beef

, : Systems for producing leaner beef. Agricultural Systems 15(3): 171-188

A stochastic model was designed to simulate the productive and economic characteristics over the past 5 yr of 2 conventional and 4 lean beef systems (3 of which utilized bulls) of growing-finishing beef cattle in southern Ontario [Canada]. Each system was based on 100 ha of land with (A) annually feeding 1 lot of 300 cattle with remaining maize utilized in a cash crop enterprise or (B) expanding the feedlot capacity dependent on feed resources. Within option A, lean beef systems marketed an average of 965 kg corn in addition to each tonne of beef produced. Compared to the average of the conventional systems within option B, lean bull beef systems produced 29% more total beef and cost an average of 6.8% less/kg gain. Production of lean beef reduced production costs but not enough to offset reduced returns received under current grading and pricing schemes. Utilization of processing technologies (i.e., electrical stimulation) may reduce price differentials between lean and fatter carcasses with increased profitability of lean vs. conventional beef production systems.

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Accession: 001962922

DOI: 10.1016/0308-521X(84)90026-X

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