BLOOD CELLS AND HEMATOLOGICAL RESPONSE OF Oxydoras niger (PISCES, DORADIDAE) COLLECTED FROM THE BASIN OF THE MIDDLE SOLIMOES RIVER, AMAZONAS STATE (BRAZIL), NATURALLY PARASITIZED

BLOOD CELLS AND HEMATOLOGICAL RESPONSE OF Oxydoras niger (PISCES, DORADIDAE) COLLECTED FROM THE BASIN OF THE MIDDLE SOLIMOES RIVER, AMAZONAS STATE (BRAZIL), NATURALLY PARASITIZED

The Oxydoras niger Valenciennes, 1821 (Doradidae) is an endemic fish from the South America rivers basins (Amazonas, Sao Francisco, Essequipo and Orinoco Rivers) that is used as food by some Amazon people. The aim of this work was to study the effects of parasitism by protozoans and metazoans in the...

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Veröffentlicht in:Boletim do Instituto de Pesca 2010-01, Vol.36 (4), p.283-292
Hauptverfasser: da Silva Santos, RB, Tavares-Dias, M
Format: Artikel
Sprache:por
Schlagworte:
Cestoda
Chilodonella
Cucullanus
Digenea
Doradidae
Freshwater
Ichthyophthirius multifiliis
Metazoa
Nematoda
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Zusammenfassung:The Oxydoras niger Valenciennes, 1821 (Doradidae) is an endemic fish from the South America rivers basins (Amazonas, Sao Francisco, Essequipo and Orinoco Rivers) that is used as food by some Amazon people. The aim of this work was to study the effects of parasitism by protozoans and metazoans in the hemogram and the leukocytes features of O. niger collected in the Solimoes River basin, Amazonas State, Brazil. Fish (70.3%) were parasitized by Ichthyophthirius multifiliis (Protozoa), Chilodonella sp. (Protozoa), Cosmetocleithrum spp. (Monogenoidea), Paracavisona impudica (Acanthocephala), Cucullanus grandistomis (Nematoda), Digenea and Cestoda, but the highest abundance was of monogenoideans species. This association of parasites caused a significant (p
ISSN:0046-9939