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Roughages in the Fattening Ration

Oklahoma Experiment Station

Abstract

This paper was issued as a mimeographed press bulletin on April 21, 1934, by the Oklahoma Station.

One of the objects of this investigation was to determine the relative value of cottonseed hulls, kafir silage, alfalfa hay, and prairie hay fed separately and in combination as sources of roughage in fattening steer rations.

Sixty-four head of 375-pound Hereford calves were fed in eight lots for 185 days. Where alfalfa hay comprised the roughage, very satisfactory gains were secured (1.94 pounds daily), although the cattle were not as uniformly finished as in the other lots. Some difficulty with bloat was experienced. The addition of silage to the ration increased the daily gain to 1.98 pounds.

Where the roughage ration consisted of silage and hulls, the largest daily gain of the series was secured (1.99 pounds). The gains were slightly more costly due to an increased allowance of cottonseed meal which was necessary to balance the hulls.