Am. Soc. Anim. Prod.
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Am. Soc. Anim. Prod. 1932:137-141
© 1932 American Society of Animal Science
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The Role of Vitamin D in the Nutrition of the Dairy Calf

I. W. Rupel, G. Bohstedt and E. B. Hart

University of Wisconsin

Abstract

Conclusions:

  1. The dairy calf is subject to rickets as a result of vitamin D deficiency when this factor is withheld.
  2. Lowered Ca and P in the blood serum, cessation of growth, and weaker bones of lower total ash content result from vitamin D deficiency in the growing calf.
  3. A prompt response to curative treatment by cod-liver oil feeding, and protection by this means and by sunlight exposure, indicates that these are effective sources of this factor for the dairy calf.






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Copyright © 1932 by the American Society of Animal Science.