J. Anim Sci.
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J. Anim Sci. 1978. 47:151-155.
© 1978 American Society of Animal Science
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Live Animal Performance and Carcass Characteristics of Beef Bullocks and Steers1

Mark E. Landon, H. B. Hedrick and G. B. Thompson

University of Missouri- Columbia 65201

Abstract

Daily gains and quantitative and qualitative carcass characteristics of 18 Hereford bullocks and steers and 27 Charolais X Hereford reciprocal Crossbred bullocks and steers were evaluated. Bullocks graded lower than steers because of less marbling and steers castrated at birth had the most marbling and the highest carcass quality grades. Percentages of total retail cuts were greater for bullocks than for steers and greater for Crossbred steers castrated at 205 days than for Crossbred steers castrated at birth or Hereford steers castrated at 205 days. There were no differences in tenderness as measured by the Warner-Bratzler shear among the sex groups.

Bullocks and Crossbred steers castrated at 205 days were superior to steers and steers castrated at birth, respectively in the yield of retail cuts per day of age.

Footnotes

1 Contribution from Missouri Agricultural Experiment Station Journal Series No. 7948. Approved by the Director.






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Copyright © 1978 by the American Society of Animal Science.