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Type: Artigo de periódico
Title: Hematological Alterations Caused By High Intensity Of L3 Larvae Of Contracaecum Sp Railliet & Henry, 1912 (nematoda, Anisakidae) In The Stomach Of Hoplias Malabaricus In Lakes In Pirassununga, São Paulo
Author: Correa L.L.
Karling L.C.
Takemoto R.M.
Ceccarelli P.S.
Ueta M.T.
Abstract: The objective of the present study was to discover the hematological indices of Hoplias malabaricus infected by larvae of Contracaecum sp. A total of 105 fish were collected from two lakes located in the municipal district of Pirassununga, São Paulo, Brazil, of which 95.2 % were infested by L 3 larvae of Contracaecum sp., with an average intensity of 348.7 ± 231.55 helminths/fish. A total of 76 fish were analyzed to establish hematological parameters. Following analysis, it was found that there was a significant difference between hematological parameters Hct, erythrocytes (Er), thrombocytopenia (p = 0.01), and Hb (p = 0.02) in lakes A and B, while there was no significant difference for leukocyte (p = 0.68), mean corpuscular volume, mean corpuscular hemoglobin (p = 0.06), and mean corpuscular hemoglobin concentration (p = 0.47). The intensity of infection correlated negatively with Er (r s = -0.42; p < 0.01) and positively for (r s = 0.48; p < 0.01). The high intensity of infection by Contracaecum sp. in H. malabaricus did not affect the health of the fish despite causing alterations in hematological variables. © 2013 Springer-Verlag Berlin Heidelberg.
Rights: fechado
Identifier DOI: 10.1007/s00436-013-3446-8
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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