Type and mixtures of high-moisture corn in beef cattle finishing diets
1991
Mader, T.L. | Dahlquist, J.M. | Britton, R.A. | Krause, V.E.
In three experiments consisting of three finishing trials each, five corn storage and(or) feeding treatments were evaluated: 1) dry whole (DWC); 2) whole high-moisture (WHMC); 3) mixture (MHMC) of ground (GHMC) or rolled (RHMC) high-moisture corn with WHMC; 4) GHMC stored in a bunker silo; and 5) RHMC, corn stored whole but fed in rolled form. In Exp. 1, gains and feed intakes of steers fed whole corn (DWC vs WHMC) were similar. Steers fed GHMC and RHMC had lower (P <.05) gains and intakes than steers fed whole corn. However, feed to gain ratios were 9% better (P < .10) for steers fed RHMC than for steers fed GHMC. In Exp. 1 and 2, gains of steers fed MHMC were intermediate to gains of steers fed whole (DWC and WHMC) or processed corn (GHMC and RHMC). Feed to gain ratios of steers fed whole or processed corn were similar to feed to gain ratios of steers fed MHMC. In Exp. 3, steers fed 28.6% moisture GHMC had lower (P < .05) intakes and feed to gain ratios than steers fed 22.5% moisture GHMC. Intakes and feed to gain ratios decreased 1.2 and 1.4%, respectively, for each 1% increase in corn moisture. Data are interpreted to mean that the relative effect of corn moisture content on cattle performance depends on form of corn fed; positive associative effects of MHMC are negligible, but RHMC has a greater feed value than GHMC.
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