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Journal of Dairy Science Vol. 22 No. 5 321-328
© 1939 by American Dairy Science Association ®
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Carotene in the Nutrition of Dairy Calves*

C. C. Flora, R. E. Ward and S. I. Bechdel

Department of Dairy Husbandry

N. B. Guerrant and R. A. Dutcher

Department of Agricultural and Biological Chemistry, The Pennsylvania State College

ABSTRACT

A vitaminosis A was produced in growing calves through the use of poor quality bleached and aged timothy hays fed in connection with a grain mixture. Fresh carrots and alfalfa hay (dehydrated) of good quality were quite effective in correcting this a vitaminosis A in calves. A commercial carotene concentrate also proved effective in preventing and curing the a vitaminosis A that resulted from feeding calves rations of low carotene content, as well as overcoming the malnutrition resulting from feeding high percentages of cottonseed meal.

FOOTNOTES

* Authorized for publication on November 29, 1938, as paper No. 869 in the Journal Series of the Pennsylvania Agricultural Experiment Station.






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Copyright © 1939 by the American Dairy Science Association ®.