The efficacy of using prelay and early-lay rations for brown-egg pullets.

Abstract

Experiments were conducted using two brown-egg strains to determine whether additional calcium or CP is required by these pullets prior to sexual maturity (prelay) and whether increased CP during the early part of production (early lay) would improve overall performance. In Experiment 1, the prelay treatments were arranged at a 2 x 3 factorial arrangement… (More)

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