Occurrence of the Rumen Ciliate Oligoisotricha bubali in Domestic Cattle ( Bos taurus )

Author:

Dehority B. A.1,Damron W. S.1,McLaren J. B.1

Affiliation:

1. Department of Animal Science, Ohio Agricultural Research and Development Center, Ohio State University, Wooster, Ohio 44691, and Department of Animal Science, University of Tennessee, Knoxville, Tennessee 379012

Abstract

Oligoisotricha bubali , previously observed twice in water buffalo, was detected in rumen contents of domestic cattle ( Bos taurus ) in two different areas of Tennessee. Concentrations ranged from <1 to 35% of the total protozoa in unweaned calves and up to 72% in older animals in feedlot. In contrast to the other genera of holotrichs, both total numbers and percent composition of O. bubali increased when animals were fed a corn silage-concentrate diet.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference19 articles.

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2. Observations on the ruminal microorganisms of isolated and inoculated calves;Bryant M. P.;J. Dairy Sci.,1960

3. Bush M. and C. A. Kofoid. 1948. Ciliates from the Sierra NOTES 1397

4. Nevada Bighorn Ovis canadensis sierrae Grinnel. Univ.

5. Calif. Berkeley Publ. Zool. 53:237-262.

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