Encyclopedia of Metagenomics

Living Edition
| Editors: Karen E. Nelson

Evaluation of Bacterial Diversity in the Rumen and Feces of Cattle

  • Todd R. Callaway
  • André-Denis G. Wright
  • Georgia Olympia Brikis
  • Tom S. Edrington
  • David J. Nisbet
Living reference work entry
DOI: https://doi.org/10.1007/978-1-4614-6418-1_644-1

Synonyms

Definition

The rumen is a pre-gastric, anaerobic fermentation chamber populated by a consortium of bacteria, archaea, protozoa, and fungi, which break down feedstuffs in a truly symbiotic relationship within the host animal. The bacterial population is the best known component and is made up of more than 2,000 bacterial species and strains at populations in excess of 1011 cells/ml. Molecular techniques have increased the numbers of bacterial isolates associated with the rumen and have revealed much of the population remains unknown. Further developments have revolutionized our understanding of the microbial ecology of the rumen and gastrointestinal tract and how interactions occur between members of the consortium and the host animal.

Introduction

The rumen of cattle is a large anaerobic fermentation chamber that is home to a large, diverse microbial consortium. This microbial population...

Keywords

Microbial Population Microbial Consortium Foodborne Pathogen Microbial Ecosystem Nutrient Niche 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Todd R. Callaway
    • 1
  • André-Denis G. Wright
    • 2
  • Georgia Olympia Brikis
    • 3
  • Tom S. Edrington
    • 1
  • David J. Nisbet
    • 1
  1. 1.Food and Feed Safety Research UnitUSDA, Southern Plains Agricultural Research Center, Agricultural Research ServiceCollege StationUSA
  2. 2.Department of Animal ScienceThe University of VermontBurlingtonUSA
  3. 3.Technical University of MunichMunichGermany