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Influence of Organic Acids upon Feeding Value of Dry, Reconstituted and Early-Harvested Milo for Ruminants^{1, 2,}

Kansas State University, Manhattan 66506

Abstract

Three finishing trials, two with steers and one with lambs, were conducted to determine the feeding value of dry, reconstituted and early-harvested milo preserved with an organic acid mixture (60% acetic and 40% propionic). In the first trial, steers fed reconstituted milo ensiled whole and those fed reconstituted acid-treated milo performed similarly; those fed reconstituted milo ensiled whole gained faster and more efficiently than did those fed reconstituted milo ensiled rolled; and steers receiving steam flaked milo gained 4 to 15% more efficiently than did those receiving the other milo treatments. In the second (steer) and third (lamb) trials, animals fed early-harvested milo gained faster and required less feed per unit of gain than did those fed dry milo. In the steer trial, adding organic acids increased feed consumption and feed required per unit of gain. Lambs receiving early-harvested, acid-treated milo gained more efficiently than did lambs receiving untreated, early-harvested milo. In all three trials, carcass yield grade and dressing percentage were not significantly influenced by milo treatment.

¹ Contribution No. 451, Animal Science and Industry Department, Kansas Agricultural Experiment Station, Manhattan.

² This research was supported in part by grants from Celanese Chemical Company, Corpus Christi, Texas 78408.

³ Present address: McPherson Concrete Products, McPherson, Kansas 66740.