J. Anim Sci.
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J. Anim Sci. 1956. 15:1119-1124.
© 1956 American Society of Animal Science
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Serum Alkaline Phosphatase and Gain in Brahman Cattle1

J. L. Fletcher, R. R. Shrode and H. O. Kunkel

Texas Agricultural Experiment Station2

Abstract

The relationship between gain and certain other selected variables was investigated with three groups of Brahman cattle serving as experimental animals. The relationship of serum alkaline phosphatase activity and subsequent gain was quite variable, gross correlations between the two variables ranging from 0.63 to –0.35. Most of the correlations between phosphatase and gain were positive, and only positive correlations were significant statistically.

By means of multiple correlation, the relationship of initial age, initial weight and phosphatase activity to subsequent gain was investigated. The use of the three independent variables yielded an improved prediction of gain as compared to that secured by the use of only one or two independent variables, but in some instances, this improvement was rather slight. It appears that these data are too limited to merit a final conclusion as to the practicability of the routine determination of phosphatase activity for inclusion of this variable in an equation for the prediction of gain in Brahman cattle.

Footnotes

1 This investigation was carried out in cooperation with the Animal and Poultry Husbandry Research Branch, A.R.S., U.S.D.A. under the regional beef cattle breeding project S-10.

Grateful acknowledgement is made of the assistance of T. C. Cartwright and B. L. Warwick, Substation 23 and Vernon Frost, Houston, Texas in obtaining the experimental material.

2 Departments of Biochemistry and Nutrition and Genetics, College Station, Texas.






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Copyright © 1956 by the American Society of Animal Science.