Parasitological diagnosis in food fish produced in a fish farm, in the Zona da Mata, Minas Gerais, southeastern Brazil

This study identified the parasitic species in juvenile freshwater finfishes during the fattening stage, from a fish farm located in the Zona da Mata (MG), southeastern Brazil, and revealed both macro and microscopical lesions in fish gills. A total of 172 juvenile fishes of different species (Oreoc...

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Bibliographic Details
Published in:Revista brasileira de parasitologia veterinaria 2020-01, Vol.29 (4), p.e019520
Main Authors: Relvas, Rachel Sordi, Balian, Simone de Carvalho, Soares, Herbert Sousa, Martins, Maurício Laterça, Cardoso, Pedro Henrique Magalhães
Format: Article
Language:English
Subjects:
Animals
Aquatic health
Brazil - epidemiology
cultured fish
Fish Diseases - diagnosis
Fish Diseases - epidemiology
Fish Diseases - parasitology
Fish Diseases - prevention & control
Fisheries
Fishes - parasitology
Food Parasitology
Fresh Water
parasitic disease
Parasitic Diseases, Animal - diagnosis
Parasitic Diseases, Animal - epidemiology
Parasitic Diseases, Animal - parasitology
Parasitic Diseases, Animal - prevention & control
PARASITOLOGY
VETERINARY SCIENCES
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Summary:This study identified the parasitic species in juvenile freshwater finfishes during the fattening stage, from a fish farm located in the Zona da Mata (MG), southeastern Brazil, and revealed both macro and microscopical lesions in fish gills. A total of 172 juvenile fishes of different species (Oreochromis niloticus, Ictalurus punctatus, Ctenopharyngodon idella, Cyprinus carpio, Astyanax bimaculatus and Brycon amazonicus) were transported to a laboratory in São Paulo city. The fish were sedated and then euthanized for parasitological analysis. All fish were infected by at least one parasite species. Ten different species of parasites were identified: Apiosoma sp., Epistylis sp., Ichthyobodo sp., trichodinids, Piscinoodinium pillulare, Ichthyophthirius multifiliis, Tetrahymena sp., monogeneans, Centrocestus formosanus metacercariae, and Dermocystidium sp. The best management practices and lack of sanitary control were also discussed.
ISSN:0103-846X
1984-2961
1984-2961
DOI:10.1590/S1984-29612020100