J. Anim Sci.
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J. Anim Sci. 1965. 24:676-680.
© 1965 American Society of Animal Science
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Effects of Feeding Grain to Grazing Steers to be Fattened in Drylot1

H. T. Bryant, R. C. Hammes, Jr., R. E. Blaser and J. P. Fontenot

Virginia Agricultural Experiment Station2, Blacksburg

Abstract

The effect of feeding 1 lb. of ground shelled corn per 100 lb. body weight to steer calves and yearlings on pasture, which were full-fed in drylot following the pasture season, was studied in three trials.

Corn fed to steers on pasture increased daily pasture gains of yearlings slightly more than those of calves. Average daily gains of steers on continuously grazed pastures were greater than those of steers on rotationally grazed pastures. The carcass grade of steers not fed corn on pasture averaged almost one-third grade less than for steers fed corn on pasture.

The calves, but not the yearlings, fed corn on pasture gained more in drylot than calves and yearlings not fed corn on pasture. Carcass grades were similar for calves and yearlings. Carcass grades of calves fed corn on pasture were subsequently one-half grade higher than for those not fed corn. Feeding corn on pasture did not improve carcass grade of yearlings. The average dressing percent of unsupplemented steers was slightly lower than that of corn-supplemented steers. The average dressing percent of calves was slightly lower than that of yearlings.

Corn supplementation on pasture had no effect on TDN requirements per pound of gain in drylot.

Footnotes

1 This work was partially supported by the Old Dominion Foundation.

2 Departments of Agronomy, Animal Science, and Biochemistry and Nutrition.






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Copyright © 1965 by the American Society of Animal Science.