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Spirochaetes in the equine caecum.

M E Davies, R W Bingham

    Research in Veterinary Science
    |July 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Researchers identified two distinct spirochaete morphologies in horse caecum. Many spirochaetes were observed to be infected by bacteriophages, impacting their survival.

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    Area of Science:

    • Veterinary Microbiology
    • Equine Health
    • Microbial Ecology

    Background:

    • The horse caecum harbors a complex microbial community, including spirochaetes.
    • Understanding the morphology and interactions of these microorganisms is crucial for equine gastrointestinal health.

    Purpose of the Study:

    • To characterize the morphological types of spirochaetes present in the horse caecum.
    • To investigate the viability of these spirochaetes through culturing attempts.
    • To identify potential interactions, such as viral infections, affecting the spirochaetes.

    Main Methods:

    • Morphological analysis of spirochaetes using microscopy.
    • In vitro culturing techniques to assess organism viability.
    • Electron microscopy to examine ultrastructural details and identify viral presence.

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    Main Results:

    • Two distinct spirochaete morphological types were identified, differing in size and shape.
    • Culturing attempts were unsuccessful, with no organisms surviving beyond primary isolation.
    • Electron microscopy revealed a significant prevalence of bacteriophage infections within the observed spirochaetes.

    Conclusions:

    • The horse caecum hosts morphologically diverse spirochaetes.
    • Spirochaete viability in vitro is limited, suggesting specific in vivo requirements or susceptibility to environmental factors.
    • Bacteriophage infection is a notable factor potentially influencing spirochaete populations and survival in the equine gut.