J. Anim Sci.
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J. Anim Sci. 1951. 10:352-364.
© 1951 American Society of Animal Science
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Relations between Some Body Measurements and Certain Performance Characters in Milking Shorthorn Steers

M. L. Kohli1, A. C. Cook2 and W. M. Dawson2

U. S. Department of Agriculture

Abstract

Five body measurements—height at withers, height to floor of chest, heart girth, width at shoulders, and length of body—and their relationship to average daily gain, efficiency of feed utilization, and the age at slaughter of Milking Shorthorn steers were studied. The animals were raised and fed in record of performance studies at the U.S.D.A. Research Center, Beltsville, Maryland. Measurements were taken and performance data calculated when the steers reached a live weight of 900 pounds. There was a total of 157 steers. In addition to the total group, which varied somewhat in their treatment, a subgroup of the 157 steers consisting of 62 animals which received more uniform treatment was studied. In general, there was quite close agreement in the correlations between body measurements and the measures of performance for the two groups and also between the measurements themselvs. Conclusions based on results from both groups were:

The steers tended to vary independently with regard to the body dimensions measured as shown by the lack of high correlation between them except for a fairly high association between height at withers and height at floor of chest.

Footnotes

1 Guest research worker from The Civil Veterinary Department, Punjab, India.

2 Animal Husbandmen, U. S. Department of Agriculture. Acknowledgement.—The authors wish to acknowledge the help of Dr. R. G. Schott, Bureau of Animal Industry, in reading and criticizing the manuscript.






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Copyright © 1951 by the American Society of Animal Science.