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Dermocystidium sp. in the gills of farmed Oreochromis niloticus in Brazil.
Steckert, Lilian D; Cardoso, Lucas; Tancredo, Karen R; Martins, Maurício L; Jerônimo, Gabriela T.
Affiliation
  • Steckert LD; AQUOS - Aquatic Organisms Health Laboratory, Aquaculture Department, Federal University of Santa Catarina (UFSC), Rodovia Admar Gonzaga, 1346, Itacorubi, 88040-900 Florianópolis, SC, Brazil.
  • Cardoso L; AQUOS - Aquatic Organisms Health Laboratory, Aquaculture Department, Federal University of Santa Catarina (UFSC), Rodovia Admar Gonzaga, 1346, Itacorubi, 88040-900 Florianópolis, SC, Brazil.
  • Tancredo KR; AQUOS - Aquatic Organisms Health Laboratory, Aquaculture Department, Federal University of Santa Catarina (UFSC), Rodovia Admar Gonzaga, 1346, Itacorubi, 88040-900 Florianópolis, SC, Brazil.
  • Martins ML; AQUOS - Aquatic Organisms Health Laboratory, Aquaculture Department, Federal University of Santa Catarina (UFSC), Rodovia Admar Gonzaga, 1346, Itacorubi, 88040-900 Florianópolis, SC, Brazil.
  • Jerônimo GT; AQUOS - Aquatic Organisms Health Laboratory, Aquaculture Department, Federal University of Santa Catarina (UFSC), Rodovia Admar Gonzaga, 1346, Itacorubi, 88040-900 Florianópolis, SC, Brazil.
An Acad Bras Cienc ; 91(3): e20180959, 2019.
Article in En | MEDLINE | ID: mdl-31553369
ABSTRACT
The genus Dermocystidium is very comprehensive in the host and site of infection, however this is the first report of the occurrence of Dermocystidium sp. in the gills of Nile tilapia. This study was carried out in a fish farming located in the state of Santa Catarina, Brazil. No mortalities were reported in the facility studied and the animals were clinically healthy. During the histopathological analysis of the gills, 8.33% of the fish presented spores of Dermocystidium sp. in the gill tissue. The spores reported herein had a mean length and width of 6.206 x 5.233 µm and a refractile body diameter of 1.965 µm and were studied by histopathology and Transmission Electron Microscopy. This study highlights the importance of a new branchial pathogen in farmed tilapia, as well as to its pathogenic potential, considering the outbreaks of mortalities associated with other fish species.
Subject(s)

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cichlids / Mesomycetozoea / Mesomycetozoea Infections / Fish Diseases Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: An Acad Bras Cienc Year: 2019 Document type: Article Affiliation country: Brazil

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Cichlids / Mesomycetozoea / Mesomycetozoea Infections / Fish Diseases Limits: Animals Country/Region as subject: America do sul / Brasil Language: En Journal: An Acad Bras Cienc Year: 2019 Document type: Article Affiliation country: Brazil