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Nutritive Value of Beef Cattle Rations Containing Artificially Dried Corn

Nebraska Agricultural Experiment Station,^,2 Lincoln

Abstract

A latin square design comprising four yearling steers and four rations containing corn that had been dried artificially at various temperatures was used in digestion trials during growing and fattening. The first four trials covering the growing phase involved rations containing 4 lb. of corn and 9 lb. of alfalfa hay. The rations in the fattening phase contained 13 lb. of corn and 5 lb. of alfalfa hay. The four corn drying procedures were natural drying, drying at 130° F., 160° F., and 190° F.

No significant difference in digestibility or metabolizable energy between rations was observed in either the fattening phase or the growing phase of the experiment. A decrease in crude fiber digestibility at the higher drying temperatures approached significance in the growing phase. Digestibility coefficients for energy were higher for the fattening phase than for the growing phase.

¹ The authors wish to thank G. M. Petersen for supervising the corn drying.

² Published with the approval of the Director as Paper No. 976, Journal Series, Nebraska Agricultural Experiment Station.