Comparison of Artifically Dried Corn with High-Moisture Corn Stored in Two Silo Types

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Abstract
Eight tests were conducted involving whole corn grain in three storage systems over a 4-year period. The grain was field-combined at 23 to 30% moisture and corrected to a standard 25.8% to determine the total weight going into each of three systems: (1) dried and stored in conventional bins, (2) stored as high-moisture whole grain in an oxygen-limiting silo, or (3) stored as high-moisture whole grain in a concrete-stave silo. Efficiency of each system for storing grain was determined by the ratio of corn grain entering a system to the live weight gains of yearling steers when all the grain was fed from each system. On that basis, 7.9, 7.6 and 8.0 units of fresh-harvested corn grain was required per unit of live weight gain for the dry, oxygen-limiting and concrete-stave systems, respectively. Determination of dry-matter losses during storage in the two high-moisture systems indicated a loss of 6.0% in the oxygen-limiting system and 12.5% in the concrete-stave system (P<.10). Method of storage did not affect palatability as determined by daily grain intake or carcass quality based on final U.S.D.A. carcass grade. Copyright © 1975. American Society of Animal Science . Copyright 1975 by American Society of Animal Science.

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