Parasitological assessment in hybrids Serrasalmidae fish farmed in Brazil

This study evaluated the parasitic fauna of hybrids tambacu (Colossoma macropomum × Piaractus mesopotamicus) and patinga (P. mesopotamicus × Piaractus brachypomus) and their host-parasite-environment interaction during the warm and cold seasons in two fish farms located in the State of Mato Grosso d...

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Published in:Revista brasileira de parasitologia veterinaria 2020-01, Vol.29 (4), p.e012920-e012920
Main Authors: Jerônimo, Gabriela Tomas, Ventura, Arlene Sobrinho, Pádua, Santiago Benites de, Porto, Edson Luniere, Ferreira, Liliane Campos, Ishikawa, Márcia Mayumi, Martins, Maurício Laterça
Format: Article
Language:English
Subjects:
Animals
Aquaculture
Brazil
Characiformes - parasitology
Fish Diseases - parasitology
Fish farming
helminths
hybridization
Parasites - classification
PARASITOLOGY
protozoans
VETERINARY SCIENCES
water quality
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Summary:This study evaluated the parasitic fauna of hybrids tambacu (Colossoma macropomum × Piaractus mesopotamicus) and patinga (P. mesopotamicus × Piaractus brachypomus) and their host-parasite-environment interaction during the warm and cold seasons in two fish farms located in the State of Mato Grosso do Sul, Brazil, South America. A total of 120 fish, being 60 fish for species (30 in the warm season and 30 in the cold season) were examined. Water quality was measured weekly to evaluate the interaction between environmental conditions and parasitism. Fifteen species of parasites were found: Ichthyophthirius multifiliis, Chilodonella hexasticha e Trichodina sp. (Protozoa), Henneguya piaractus, Myxobolus colossomatis and Myxobolus cuneus (Myxozoa); Anacanthorus penilabiatus, Mymarothecium boegeri, Mymarothecium viatorum, and Notozothecium janauachensis (Monogenoidea), Goezia spinulosa and Goezia sp. (Nematoda), Echinorhynchus jucundus (Acanthocephala), and Dolops carvalhoi, Lernaea cyprinacea (Crustacea). The ciliate protozoan I. multifiliis and monogenoids were the most prevalent parasites in the cold and warm seasons for both hybrids in the different culture systems intensive production and sportive fishing. It was observed that the serrasalmid hybrids are more susceptible to parasites and harbor high diversity of parasites in relation to the parental species C. macropomum, P. mesopotamicus and P. brachypomus, with a predominance of ectoparasites.
ISSN:0103-846X
1984-2961
1984-2961
DOI:10.1590/S1984-29612020084