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Journal of Dairy Science Vol. 43 No. 6 806-810
© 1960 by American Dairy Science Association ®
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The Respiratory C14 Pattern of Acetate-1-C14 Oxidation in the Bovine1

Walter F. Williams

Dairy Department, University of Maryland, College Park

ABSTRACT

The construction and use of a large continuous-flow ion chamber is described. This equipment makes possible the continuous measurement of tracer levels of C14 in the expired air of dairy cattle. The initial studies of the oxidation of carboxyl-labeled acetate in lactating cows indicate a rapid equilibrium of injected labeled acetate with the body pool of acetate and the rapid metabolic turnover of this pool. The manner in which the labeled acetate is oxidized indicates that acetate enters some pathways not directly leading to oxidation.

FOOTNOTES

1 Scientific Article No. A821, Contribution No. 3100, of the Maryland Agricultural Experiment Station, Dairy Department.






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Copyright © 1960 by the American Dairy Science Association ®.