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Establishment and Maintenance of Gnotobiotic American Cockroaches (Periplaneta americana)

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Published on: May 28, 2021

A defined intestinal colonization microbiota for gnotobiotic pigs.

Georgina Laycock¹, Leanne Sait, Charlotte Inman

¹Division of Veterinary Pathology, Infection and Immunity, School of Veterinary Science, University of Bristol, Langford House, Langford, Bristol BS40 5DU, United Kingdom. g.laycock@bristol.ac.uk

Veterinary Immunology and Immunopathology

|August 8, 2012

Summary

A novel intestinal microbiota, the Bristol microbiota, reliably colonizes gnotobiotic piglets. This development aids studies on early microbial colonization

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Area of Science:

Microbiology
Immunology
Animal Science

Background:

Early piglet mortality impacts commercial production.
Gut microbiota influences piglet health and disease susceptibility.
Gnotobiotic pig models require well-defined intestinal microbiota.

Purpose of the Study:

To develop a reliable intestinal microbiota for gnotobiotic pigs.
To assess the impact of this microbiota on systemic immunoglobulin synthesis.
To provide a model for studying early microbial colonization effects.

Main Methods:

Development of a novel porcine intestinal microbiota.
Colonization of gnotobiotic piglets with the novel microbiota.
Measurement of systemic immunoglobulin levels (IgA, IgM).

Main Results:

The novel microbiota reliably colonized the entire intestinal tract.
No adverse health effects were observed in colonized piglets.
Systemic levels of IgA and IgM were significantly increased.

Conclusions:

The Bristol microbiota offers a reproducible model for gnotobiotic pig studies.
It facilitates research into early microbial colonization's impact on immunity and disease.
This model is valuable for understanding neonatal intestinal development and immune responses.