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Related Experiment Videos

Psittacosis: the reservoir persists.

J Schachter, N Sugg, M Sung

    The Journal of Infectious Diseases
    |January 1, 1978
    PubMed
    Summary

    Chlamydial infections remain prevalent in pet birds like parakeets and parrots, despite available treatments. Current control programs, including quarantine prophylaxis, appear to be administrative failures in preventing disease spread.

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    Area of Science:

    • Veterinary Microbiology
    • Avian Pathology

    Background:

    • Chlamydial infections are a significant concern in psittacine birds.
    • Despite available chemotherapeutic agents, high infection rates persist.

    Purpose of the Study:

    • To evaluate the prevalence of Chlamydia psittaci in sick or deceased parakeets and parrots.
    • To compare diagnostic methods for Chlamydia psittaci isolation.
    • To assess the effectiveness of current control programs.

    Main Methods:

    • Laboratory examination of 101 parakeets and parrots over one year.
    • Isolation of Chlamydia psittaci using tissue culture (McCoy cells) and intraperitoneal mouse inoculation.
    • Tracing the origin of infected birds.

    Main Results:

    • Chlamydia psittaci was recovered from 34% of parakeets and 40% of parrots.
    • Tissue culture method was more sensitive than mouse inoculation for chlamydial isolation.
    • Infected birds originated from aviaries and quarantine centers with existing control measures.

    Conclusions:

    • Current control programs for Chlamydia psittaci in psittacines are not effective.
    • Administrative failures in control programs contribute to persistent high infection rates.
    • Improved diagnostic sensitivity is crucial for accurate disease assessment.

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