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      Metacercárias de Ascocotyle (Phagicola) longa Ransom, 1920 (Digenea: Heterophyidae), em Mugil platanus, no estuário de Cananéia, SP, Brasil Translated title: Ascocotyle (Phagicola) longa Ransom, 1920 (Digenea: Heterophylidae) metacercariae, in Mugil platanus in estuarin of Cananéia, SP, Brazil

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          Abstract

          Estudou-se no estuário de Cananéia, litoral do estado de São Paulo, Brasil, a presença de Ascocotyle (Phagicola) longa Ransom, 1920 (Digenea: Heterophylidae), trematódeo, em tainha (Mugil platanus, Günther, 1880). Foram realizadas amostragens a fresco e cortes histológicos em tecidos provenientes de 61 exemplares. A presença de metacercárias foi comprovada em 100% dos peixes examinados, com a seguinte distribuição: coração (21,6%), fígado (19,7%) e rins (58,6%). As alterações histológicas no tecido cardíaco foram caracterizadas pela presença de um granuloma parasitário formado por uma cápsula de tecido conjuntivo ao redor do parasita, levando a um edema generalizado. Para determinar a infecção em alevinos de tainha da espécie M. platanus, foram capturados 100 exemplares nas entradas de córregos da região estuarino-lagunar. Esses peixes foram eviscerados para a pesquisa de metacercárias pelo exame a fresco, verificando-se que 100% dos alevinos não estavam infectados.

          Translated abstract

          The present research was carried out the coast of the state of São Paulo, Brazil, when it was studied the presence of Ascocotyle (Phagicola) longa Ransom, 1920 (Digenea: Heterophylidae), trematode, in mullet (Mugil platanus, Günther, 1880). Fresh samples and histological tissues sections from 61 animals were obtained. The results showed presence of metacercariae of A. (P.) longa in 100% of the fish examined, with the following distribution: heart (21.6%), liver (19.7%) and kidneys (58.6%). Histological alterations in cardiac tissues were characterized by the presence of a parasitic granuloma formed by a connective tissue capsule around the parasite, leading to generalized edema. To determine the infection in juvenile grey mullets of the M. platanus species, 100 of them were captured in the stream entrances of the estuary region, each fish was individually sacrificed and fresh mounts were prepared to determine the presence of metacercariae, demonstrating that 100% of the juveniles were not infected.

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          Guia prático para conhecimento e identificação das tainhas e paratis (Pisces, Mugilidae) do litoral brasileiro

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            • Record: found
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            Taxonomy and biology of Phagicola nana (Digenea: Heterophyidae)

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              • Abstract: not found
              • Article: not found

              Diseases and parasites detected in grey mullets (Mugilidae) from coastal waters of São Paulo State, Brazil. II: Juvenile silver mullet {Mugil curema Val., 1836)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                cr
                Ciência Rural
                Cienc. Rural
                Universidade Federal de Santa Maria (Santa Maria )
                1678-4596
                August 2007
                : 37
                : 4
                : 1056-1059
                Affiliations
                [1 ] Universidade de São Paulo Brazil
                [2 ] Universidade de São Paulo Brazil
                Article
                S0103-84782007000400022
                10.1590/S0103-84782007000400022
                e0da3146-65a5-43b5-bd8d-01d6a2a3c57c

                http://creativecommons.org/licenses/by/4.0/

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                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0103-8478&lng=en
                Categories
                AGRONOMY

                Horticulture
                Mugil platanus,Ascocotyle (Phagicola) longa,metacercariae,histopathology,metacercária,histopatologia

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