J. Anim Sci.
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J. Anim Sci. 1967. 26:827-829.
© 1967 American Society of Animal Science
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Pre-Intestinal Destruction of Vitamin A by Ruminants Fed Nitrate1

G. E. Mitchell, Jr., C. O. Little and B. W. Hayes

University of Kentucky, Lexington

Abstract

Pre-intestinal destruction of vitamin A was studied in steers and wethers fed high-roughage rations with and without 1% added potassium nitrate. Destruction was estimated by comparing administered ratios of chromic oxide and vitamin A with ratios in samples taken from permanent abomasal fistulas 24 hr. after treatment. Feeding potassium nitrate did not significantly alter apparent pre-intestinal destruction of vitamin A.

Footnotes

1 The investigation reported in this paper (No. 66-5-92) is in connection with a project of the Kentucky Agricultural Experiment Station and is published with approval of the Director.






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Copyright © 1967 by the American Society of Animal Science.