Specific Avian Cytology and Microbiology

Specific Avian Cytology and Microbiology

Collection and submission of coelomic fluids and routine aspirates is as described for other species (see routine cytology section).

Crop Aspirate/Wash

  • Indicated if there is vomiting, regurgitation not associated with courtship, delayed crop emptying or other suspected disorders of upper alimentary tract.
  • Make multiple air-dried direct smear slides at the time of sampling
  • Submit any fluid collected in EDTA for cytology and a plain tube for culture

Choana

  • Indicated in cases of choanal ulceration/erosion
  • Samples can be obtained by swabbing gently with pre-moistened swab (sterile saline)  – avoid touching the feathers around the vent
  • Make multiple air-dried direct smears

Sinus Aspirate in Psittacines

  •  Indicated in cases of facial swelling, nasal discharge or other upper respiratory tract disease.
  • Make multiple air-dried direct smear slides at the time of sampling
  • Submit any fluid collected in EDTA for cytology and a plain tube for culture

 Air Sac Samples

  •  Sampling is indicated in suspected chlamydial, bacterial or fungal infections of air sacs
  • Make multiple air-dried direct smear slides at the time of sampling
  • Submit any fluid collected in EDTA for cytology and a plain tube for culture

 Faeces

  • Sampling is indicated if birds have gastrointestinal signs or are doing poorly.
  • Tests available include faecal worm egg count, coccidial oocysts, Giardia parasites and faecal culture