Date of this Version
Analysis of commercial corn hybrids indicated grain phosphorus concentrations ranged from 0.19% to 0.39%. This range of P concentration provides an opportunity to reduce P in the distiller’s by-products. Based on 90% starch conversion efficiency, the estimated P concentrations of ethanol by-product were 0.52% and 1.04% when using grain with P concentrations of 0.19% and 0.39%, respectively. This is a reduction of 50% when using low P instead of high P corn hybrids.