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      Avaliação ectoparasitológica, hematológica e histopatológica de traíras Hoplias malabaricus Bloch, 1794 provenientes de açudes localizados no município de Sumé, estado da Paraíba Translated title: Ectoparasitologic, hematologic and histopathologic assessment of Hoplias malabaricus Bloch, 1794 from ponds located in Sumé municipality, state of Paraíba, Brazil

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          Abstract

          Resumo: Hoplias malabaricus Bloch, 1794 é uma das espécies de peixes mais comumente encontrada nos açudes da Microrregião do Cariri Paraibano, todavia ainda não existem estudos na região sobre a sua fauna parasitária. Em virtude disso, o estudo objetivou caracterizar a fauna ectoparasitológica, o perfil hematológico e os achados histopatológicos das brânquias de H. malabaricus provenientes de quatro açudes localizados no município de Sumé/PB. Em cada açude foram capturados 10 exemplares e foi realizada a análise limnológica da água. Realizou-se a biometria dos exemplares e foram colhidas amostras sanguíneas por venopunção caudal. Os métodos de coleta de parasitos foram realizados segundo as recomendações da literatura. Além disso, foram coletadas amostras de brânquias para avaliação histopatológica. A comparação das médias foi feita pelo Teste Tukey a 5% de probabilidade. Os resultados mostram que a ectoparasitofauna de H. malabaricus provenientes de açudes localizados no município de Sumé/PB apresentou-se diversificada, sendo identificados vários táxons de ectoparasitos na superfície corporal e brânquias. A fauna parasitária promoveu alterações hematológicas e histopatológicas nas brânquias. Além disso, os resultados evidenciam uma relação de epibiose de Epistylis sp. com Lernaea cyprinacea e crustáceos branquiúros em H. malabaricus.

          Translated abstract

          Abstract: Hoplias malabaricus Bloch, 1794 is one of the fish species most commonly found in the micro-region ponds of Cariri in Paraíba; however there are no studies in the region on its parasitic fauna. Due to this, the study aimed to characterize the ectoparasitologic fauna, blood profile and histopathological findings of the gills of H. malabaricus from four ponds in Sumé/PB. At each pond 10 specimens were captured and limnological water analysis was performed as the biometrics of specimens and blood samples were collected by caudal venipuncture. Parasite collection methods were used according to literature recommendations. Also gill samples were collected for histopathological assessment. Comparison of the averages were made by Tukey test at a probability of 5%. The results show that H. malabaricus ectoparasite fauna from ponds located in Sumé/PB is diverse, once various ectoparasites taxons are identified on body surface and gills. The parasitic fauna promoted hematological and histopathological changes in the gills. The results show also an epibiosis relationship of Epistylis sp. with Lernaea cyprinacea and branchiurans crustaceans on H. malabaricus.

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          Most cited references31

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          Essentials of Veterinary Hematology

          Essentials of Veterinary Hematology is a concise text on the subject of veterinary hematology. It has been written to provide a ready source of current and fundamental information necessary to the understanding of basic concepts in hematology as a discipline and veterinary hematology as a specialty.<br><br>The book is aimed at undergraduate veterinary students, veterinary medical technologists, animal technicians, and all those interested in an abridged text in comparative hematology. Graduate veterinary students can use it as a ready source for reviewing the pathophysiology of blood as it relates to clinical veterinary medicine. A generalized approach to the interpretation of various hematologic abnormalities is presented throughout the text, along with comments on species-specific hematologic attributes and hematologic abnormalities encountered in various species.
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            Tilápia: tecnologia e planejamento na produção comercial.

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              Biologia, epidemiologia e controle de parasitos de peixes

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pvb
                Pesquisa Veterinária Brasileira
                Pesq. Vet. Bras.
                Colégio Brasileiro de Patologia Animal - CBPA. Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
                1678-5150
                July 2016
                : 36
                : 7
                : 581-586
                Affiliations
                [1 ] Universidade Federal da Paraíba Brazil
                [2 ] Universidade Federal da Paraíba Brazil
                [3 ] Universidade Federal da Paraíba Brazil
                Article
                S0100-736X2016000700581
                10.1590/S0100-736X2016000700003
                7e281c44-b0dc-4962-861c-623974c6f1f0

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-736X&lng=en
                Categories
                VETERINARY SCIENCES

                General veterinary medicine
                Wolf fish,Hoplias malabaricus,fishes,ectoparasites,epibiosis,Lernaea cyprinacea,branchiurans crustaceans,Traíra,peixes,ectoparasitos,epibiose,crustáceos branquiúros

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