J. Anim Sci.
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J. Anim Sci. 1958. 17:293-297.
© 1958 American Society of Animal Science
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The Rates of Digestion of the Cellulose of Some Plant Fractions by Rumen Microorganisms in vitro1

R. L. Salsbury, A. L. VanderKolk2, Betty V. Baltzer and R. W. Luecke3

Michigan State University, East Lansing

Abstract

The rates of digestion in vitro of the celluloses of a number of plant materials have been compared by incubating various fractions with strained fluid from bovine rumen ingesta. Holocelluloses and "{alpha}-celluloses" prepared from roughages showed more rapid and complete cellulose digestion than did the original plant materials. Addition of hemicelluloses from alfalfa, corn cobs, or soybean hulls did not increase the slow initial rate of cellulose digestion shown by Solka-Floc.

Footnotes

1 Published with the approval of the Director of the Michigan Agricultural Experiment Station as Journal Article No. 2084.

2 Present address: Michigan Department of Health, Lansing, Mich.

3 Department of Agricultural Chemistry. The authors wish to express their appreciation to the Department of Animal Husbandry for the use of the fistulated steers.






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Copyright © 1958 by the American Society of Animal Science.