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Systemic trichomoniasis in a squab operation.

B R Charlton1, A A Bickford, G L Cooper

  • 1California Veterinary Diagnostic Laboratory System, School of Veterinary Medicine, University of California-Davis, Turlock 95381.

Avian Diseases
|April 1, 1991
PubMed
Summary
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Systemic trichomoniasis caused significant disease and death in young commercial squabs. The infection led to widespread tissue damage, particularly in vital organs, highlighting the severity of this parasitic disease in poultry operations.

Area of Science:

  • Veterinary Pathology
  • Avian Medicine
  • Parasitology

Background:

  • Systemic trichomoniasis is a parasitic disease impacting avian species.
  • Commercial squab operations can be vulnerable to disease outbreaks affecting young birds.

Purpose of the Study:

  • To document a severe outbreak of systemic trichomoniasis in a commercial squab flock.
  • To describe the pathological findings and identify the causative agent.

Main Methods:

  • Gross and histological examination of affected squabs.
  • Identification of protozoan parasites (trichomonads) using specialized stains.

Main Results:

  • The disease primarily affected squabs aged 1-3 weeks.
  • Widespread caseous necrosis was observed in the liver, heart, lungs, and mesentery.

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  • Heterophilic inflammation was prominent in affected and surrounding tissues.
  • Trichomonads were identified within the necrotic and inflamed tissues.

    • Conclusions:

    • Systemic trichomoniasis was confirmed as the cause of severe morbidity and mortality in the squab operation.
    • The pathological findings indicate a severe, disseminated parasitic infection.
    • Early detection and intervention are crucial for managing trichomoniasis in commercial poultry.