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Related Experiment Videos

[Infectious diarrheal diseases in swine: morphologic and microbiologic findings].

A Pospischil, R G Hess, G Baljer

    Tierarztliche Praxis
    |January 1, 1986
    PubMed
    Summary

    A novel para-rotavirus is identified as a cause of infectious diarrhea in piglets. This study compares villous atrophy from various viral infections and correlates diagnostic methods for piglet diarrhea.

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    Area of Science:

    • Veterinary Virology
    • Animal Pathology

    Context:

    • Infectious diarrhea poses a significant threat to piglet health and the swine industry.
    • Common viral agents include Transmissible Gastroenteritis (TGE), Epidemic Viral Diarrhea (EVD), and rotavirus.

    Purpose:

    • To identify novel viral agents causing infectious diarrhea in piglets.
    • To describe the light and electron microscopic findings of enteric mucosa affected by these viruses.
    • To compare the extent and distribution of villous atrophy caused by different viral agents.
    • To correlate diagnostic results from fluorescent antibody (FA) staining and ultrastructural analysis.

    Summary:

    • This report identifies a para-rotavirus as an additional causative agent of infectious diarrhea in piglets.
    • Detailed light and electron microscopic examinations of the enteric mucosa are presented.

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  • The study comparatively analyzes villous atrophy patterns associated with TGE, EVD, rotavirus, and para-rotavirus infections.
  • A correlation between FA staining and ultrastructural diagnosis was established, suggesting ultrastructural methods are valuable when FA staining yields negative results.

    • Impact:

    • Enhances understanding of the etiology of infectious diarrhea in piglets.
    • Provides detailed histopathological and ultrastructural data for diagnosing viral enteric diseases.
    • Offers insights into comparative pathology of different viral enteric infections in swine.
    • Recommends diagnostic strategies, particularly the utility of ultrastructural diagnosis in challenging cases.