J. Anim Sci.
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J. Anim Sci. 1950. 9:48-53.
© 1950 American Society of Animal Science
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The Effect of Thyroprotein on the Growth and Carcass Composition of Swine1

T. W. Perry, W. M. Beeson and F. N. Andrews2

Purdue University Agricultural Experiment Station

Abstract

Significantly increased (P <.05) growth rate was obtained by the feeding of thyroprotein at levels of 0.0088 percent, 0.0132 percent, and 0.0176 per cent of the ration of growing, fattening swine.

Less feed per unit of gain was required by all animals receiving thyro protein in their ration.

When compared on the same age basis, hogs receiving thyroprotein had a higher percentage of fat and lower percentages of moisture, protein, and mineral matter than animals receiving no thyroprotein.

Footnotes

1 Contribution from the Department of Animal Husbandry, Journal Paper No. 406, Purdue University Agricultural Experiment Station, Lafayette, Indiana.

2 The authors are grateful to Kingan and Company, Indianapolis, Indiana for establishing a grant to support this research and to Dr. W. R. Graham, Jr., Cerophyl Laboratories, Kansas City, Missouri, for the thyroprotein.






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Copyright © 1950 by the American Society of Animal Science.