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Título: | Parasite diversity in Oxydoras niger (Osteichthyes: Doradidae) from the basin of Solimões River, Amazonas state, Brazil, and the relationship between monogenoidean and condition factor. |
Autoria: | SILVA, A. M. O. TAVARES-DIAS, M. JERÔNIMO, G. T. MARTINS, M. L. |
Afiliação: | Marcos Tavares-Dias, CPAF-AP. |
Ano de publicação: | 2011 |
Referência: | Brazilian Journal of Biology, São Carlos, v. 71, n. 3, p. 791-796, Aug. 2011. |
Conteúdo: | This study describes the parasitic fauna of Oxydoras niger from the Coari Lake, tributary of the medium Solimões River, State of Amazonas, Brazil, and the relationship between the number of Monogenoidea and the condition factor. From a total of 27 examined fish, 70.3% were parasitised by at least one parasite species as follows: Ichthyophthirius multifiliis (Protozoa), Chilodonella sp. (Protozoa), Cosmetocleithrum gussevi, C. confusus, C. parvum and Cosmetocleithrum sp. (Monogenoidea), Paracavisona impudica (Acanthocephala), Cucullanus grandistomis (Nematoda), Proteocephalus kuyukuyu (Cestoda) and Dadaytrema sp. (Digenea). Monogenoidea helminthes were the most prevalent parasite when compared to protozoan and intestinal helminthes. This study showed that O. niger has a great parasite diversity composed mainly of monogenoideans followed by acanthocephalan and digenean. This is the first record of Dadaytrema in O. niger from the Brazilian Amazon. There was a positive correlation between the number of monogenoideans and the condition factor (Kn) of fish, and with this mean intensity of infection, fish welfare was not affected. |
Thesagro: | Peixe de água doce |
Palavras-chave: | Fator de condição Monogenoidea Infeccção |
Tipo do material: | Artigo de periódico |
Acesso: | openAccess |
Aparece nas coleções: | Artigo em periódico indexado (CPAF-AP) |
Arquivos associados a este item:
Arquivo | Descrição | Tamanho | Formato | |
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AP2011Parasitediverty.pdf | 168,68 kB | Adobe PDF | Visualizar/Abrir |