J. Anim Sci.
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J. Anim Sci. 1971. 32:744-748.
© 1971 American Society of Animal Science
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Effect of Level of Pasture Supplementation on Pasture, Drylot and Total Performance of Beef Cattle.1 I. Spring Pasture

T. W. Perry2, D. A. Huber3, G. O. Mott4, C. L. Rhykerd5 and R. W. Taylor6

Purdue University, Lafayette, Indiana 47907

Abstract

THE utilization of pasture in a beef fattening program often will lower feed costs per pound of gain. However, supplemental energy—and sometimes protein—usually result in increased average daily gain of such cattle (Edwards et al., 1968; Wise et al., 1967; Suman and Woods, 1966; Duncan, 1958). The level of grain feeding on pasture increases the rate of gain of cattle, but such increases in gain on pasture are reflected in decreased gains of cattle subsequently confined to drylot and fed a full feed of concentrates (Dowe, Matsushima and Arthaud, 1957; Miller and Morrison, 1953). The profit from feeding concentrates on pasture will vary from year to year due to normal cattle and concentrate price fluctuations. The profit from feeding beef cattle on grass, over and above grazing cattle without supplemental concentrates is equal to the end-of-season value of the fed animal less the end-of-season value of the animal off grass, but fed no concentrates, less the cost of the concentrates for the fed steer (Thomas, Willson and Baker, 1957).

Footnotes

1 Department of Animal Sciences, Journal Paper No. 4052, Purdue University Agricultural Experiment Station.

2 Professor of Animal Sciences.

3 Superintendent, Miller-Purdue Agricultural Center.

4 Professor of Agronomy; present address, Department of Agronomy, University of Florida, Gainesville.

5 Professor of Agronomy.

6 Professor of Agricultural Economics.






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Copyright © 1971 by the American Society of Animal Science.