Avian Chlamydiosis or Psittacosis


Cause: Chlamydophila psittaci

Occurrence in Animals: Wild birds and some pet birds (e.g., parrots)

Source in Animals: Feces or respiratory secretions

Exposure: Accidental inhalation of ingestion


    • May be asymptomatic
    • Otherwise, lethargy, anorexia, and ruffled feathers
    • Ocular and nasal discharge and diarrhea are possible
    • Fever, chills, headache, malaise, muscle ache, cough
    • if not treated, it can evolve into pneumonia


  • Good personal hygiene:
    • WASH HANDS¬†after handling animals and their environment
    • No eating, no drinking, no smoking around the animals
  • Healthy animals may shed microorganisms
  • Organisms can persist for several days in the environment
  • Wear gloves, safety goggles and respirator when cleaning contaminated areas

Additional information about chlamydiosis can be found at:

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