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The gastrointestinal microbiota and its role in monogastric nutrition and health with an emphasis on pigs: Current understanding, possible modulations, and new technologies for ecological studies

Open access
Richards, J. D., Gong, J., de Lange, C. F. M.·2005·Canadian Journal of Animal Science

Abstract

The gastrointestinal microbiota is an incompletely defined, dynamic community of several hundred species of primarily anaerobic bacteria. Species composition and bacterial numbers vary depending on animal age, the gastrointestinal location and a variety of nutritional and environmental factors. The microbiota positively and negatively impacts host physiology and performance in many important ways. This review will examine the establishment and composition of the normal microbiota; its beneficial and deleterious effects on the host; and methods by which to modify the microbiota. In addition, recent advances in methodology using the techniques of molecular biology to measure and describe the microbiota are discussed. Finally, recent results using the polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) technique to examine the microbiota of pigs at different ages, different intestinal sites, and after treatment with selected feed additives will be described. Key words: Microbiota, gastrointestinal tract, PCR-DGGE, animal nutrition/health, 16S rRNA

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Authors
Richards, J. D., Gong, J., & de Lange, C. F. M.
Venue
Canadian Journal of Animal Science
Published
2005-12-01
Volume
85
Issue
4
Pages
421-435
ISSN
  • 0008-3984 (ISSN-L)
  • 1918-1825
OpenAlex
W2079125111
Cited by
164
References
0
FWCI
4.52
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The gastrointestinal microbiota and its role in monogastric nutrition and health with an emphasis on pigs: Current understanding, possible modulations, and new technologies for ecological studies. https://app.cochat.ai/papers/10.4141/a05-049
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Richards, J. D., Gong, J., & de Lange, C. F. M. (2005). The gastrointestinal microbiota and its role in monogastric nutrition and health with an emphasis on pigs: Current understanding, possible modulations, and new technologies for ecological studies. Canadian Journal of Animal Science. https://doi.org/10.4141/a05-049

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