New occurrence of Kudoa orbicularis parasitizing the freshwater catfish Trachelyopterus galeatus (Siluriformes: Auchenipteridae) in the Brazlian Amazon region-Reference-Cited by-同舟云学术

New occurrence of Kudoa orbicularis parasitizing the freshwater catfish Trachelyopterus galeatus (Siluriformes: Auchenipteridae) in the Brazlian Amazon region

Published:2019-07 Issue:3 Volume:28 Page:416-424
ISSN:1984-2961
Container-title:Revista Brasileira de Parasitologia Veterinária
language:
Short-container-title:Rev. Bras. Parasitol. Vet.

Author:

Santos Weverton John Pinheiro dos¹,Silva Diehgo Tuloza da²,Santos Patrícia de Fátima Saco dos³,Matos Edilson Rodrigues⁴^ORCID,Hamoy Igor Guerreiro³

Affiliation:

1. Universidade Federal Rural da Amazônia, Brasil; Universidade Federal Rural da Amazônia, Brasil

2. Universidade Federal Rural da Amazônia, Brasil; Universidade Federal do Pará, Brasil

3. Universidade Federal Rural da Amazônia, Brasil

4. Universidade Federal Rural da Amazônia, Brasil; Universidade Federal Rural da Amazônia, Brasil; Universidade Federal do Pará, Brasil

Abstract

Abstract The aim of this was describe an infection by Kudoa orbicularis in freshwater catfish Trachelyopterus galeatus. A sample of 80 specimens of T. galeatus was collected in the municipality of Cachoeira do Arari, Marajó Island, in the state of Pará, Brazil. Pseudocysts were found in the muscle fibers of the epaxial and hypaxial regions of 85.0% of the specimens analyzed, reflecting a high infection rate. The pseudocysts contained spores that were pseudo-square in shape, with a mean length of 4.65 µm (range: 4.04–5.54) and mean width of 1.53 µm (1.56–1.74). Analyses on the morphology of the spores and a partial 934-bp sequence of the SSU rDNA gene confirmed that the microparasite was Kudoa orbicularis. This is the second record of this microparasite in a siluriform host in the Brazilian Amazon region.

Publisher

FapUNIFESP (SciELO)

Subject

General Veterinary,Parasitology

Link

http://www.scielo.br/pdf/rbpv/v28n3/1984-2961-rbpv-S1984-29612019047.pdf

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