J. Anim Sci.
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J. Anim Sci. 1978. 46:515-519.
© 1978 American Society of Animal Science
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Selenium, Sulfur and Nitrogen Levels in Ovine Rumen Microorganisms1

P. D. Whanger2, P. H. Weswig2 and J. E. Oldfield3 , 4,

Oregon State University, Corvallis 97331

Abstract

The nitrogen, sulfur and selenium content was determined of rumen microorganisms from sheep fed according to various dietary regimes. The rumen microorganisms contained an average of 8.0% nitrogen and .61% sulfur. The selenium content was extremely variable, ranging from .04 to 1.90 ppm. Selenium concentration of rumen microorganisms was 46-fold its dietary level on a dry matter basis, 11.3-fold on a nitrogen basis, or 26-fold on a sulfur basis.

Footnotes

1 Published with the approval of the Director of the Oregon Agricultural Experiment Station as Technical Paper No. 4546.

2 Department of Agricultural Chemistry.

3 Department of Animal Science.

4 The technical assistance of L. Hogan, S. Elliott and D. Simmons is gratefully acknowledged.






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Copyright © 1978 by the American Society of Animal Science.