An outbreak of toxoplasmosis in an aviary collection of Nicobar pigeons (Caloenas nicobaria)

R. D. Last, H L Shivaprasad

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Three out of 10 Nicobar pigeons (Caloenas nicobaria) in an aviary collection in South Africa were found dead with no presenting clinical symptoms. Histological examination of formalin-fixed tissues from all these birds revealed necrotic foci in various visceral organs (liver, spleen, heart, kidney and lungs), plus diffuse pulmonary congestion and oedema with vasculitis. Numerous protozoal tachyzoites were present in all organs and there was strong positive immunohistochemical (IHC) labelling of these organisms for Toxoplasma gondii. Pathology was consistent with acute systemic toxoplasmosis as a consequence of oocyst ingestion. Feral cats were known to be a problem at the facility. Clinical toxoplasmosis is rarely reported in pigeons and this is believed to be the 1st report of toxoplasmosis in Nicobar pigeons.

Original languageEnglish (US)
Pages (from-to)149-152
Number of pages4
JournalJournal of the South African Veterinary Association
Volume79
Issue number3
StatePublished - Sep 2008

Fingerprint

aviaries
toxoplasmosis
Toxoplasmosis
Columbidae
Disease Outbreaks
lungs
vasculitis
tachyzoites
Oocysts
Toxoplasma
Pulmonary Edema
Toxoplasma gondii
Vasculitis
South Africa
oocysts
pigeons
formalin
edema
Formaldehyde
signs and symptoms (animals and humans)

Keywords

  • Aviary
  • Caloenas nicobaria
  • Nicobar pigeons
  • Toxoplasmosis

ASJC Scopus subject areas

  • veterinary(all)

Cite this

An outbreak of toxoplasmosis in an aviary collection of Nicobar pigeons (Caloenas nicobaria). / Last, R. D.; Shivaprasad, H L.

In: Journal of the South African Veterinary Association, Vol. 79, No. 3, 09.2008, p. 149-152.

Research output: Contribution to journalArticle

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