Research Communication

Notes on the occurrence of Trypanosoma sp. (Kinetoplastida: Trypanosomatidae) in freshwater fishes from South Africa

Maryke L. Ferreira, Annemariè Avenant-Oldewage
Onderstepoort Journal of Veterinary Research | Vol 80, No 1 | a529 | DOI: https://doi.org/10.4102/ojvr.v80i1.529 | © 2013 Maryke L. Ferreira, Annemariè Avenant-Oldewage | This work is licensed under CC Attribution-NoDerivatives 4.0
Submitted: 29 October 2012 | Published: 28 March 2013

About the author(s)

Maryke L. Ferreira, Department of Zoology, University of Johannesburg, South Africa
Annemariè Avenant-Oldewage, Department of Zoology, University of Johannesburg, South Africa


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Abstract

A total of 257 fishes from four families, Clariidae, Cichlidae, Cyprinidae and Schilbeidae were collected from three localities: the Sand River Dam, Swaziland; the Nylsvlei Nature Reserve, South Africa and the Vaal Dam and Vaal River Barrage, South Africa. Only fishes (n= 154) from Clariidae and Cichlidae were found to be infected with trypanosomes. A total of 221 Clarias gariepinus (Burchell 1822) were collected from the Vaal Dam and Vaal Barrage area, South Africa. Of these, 74%(89/121) were infected with trypanosomes from the Vaal Dam and 63%(63/100) from the Vaal River Barrage, with no seasonal infection pattern. A prevalence of 25%(1/4) was found in C. gariepinus from the Sand River Dam, Swaziland, and a 50% (1/2) prevalence was found in Tilapia sparrmanii from the Nylsvlei Nature Reserve, South Africa. Standard measurements conformed closely to the morphometric and morphological descriptions of Trypanosoma mukasai. This article provides new locality records for T. mukasai from the Vaal Dam, Vaal River Barrage and Nylsvlei Nature Reserve (South Africa) and the Sand River Dam (Swaziland). Tilapia sparrmanii collected in the Sand River Dam in Swaziland is also noted as a new host record.

Keywords

Trypanosoma, Trypanosoma mukasai, Vaal Dam, Vaal River Barrage, Nylsvlei Nature Reserve, Sand River Dam

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