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      Occurrence of Dioctophyme renale larvae (Goeze, 1782) (Nematoda: Enoplida) in a new host from southern Brazil Translated title: Novo hospedeiro de larvas de Dioctophyme renale (Goeze, 1782) (Nematoda: Enoplida) no extremo sul do Brasil

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          Abstract

          Abstract Dioctophymatosis is caused by the giant kidney worm Dioctophyme renale which occurs in dogs, cats, and wild mammals. In Brazil, the disease has been diagnosed in dogs from several states around the country. In the present study, the occurrence of D. renale larvae in snakes from southern of Brazil is reported. Three specimens of Philodryas patagoniensis (Serpentes: Dipsadidae) (common names in Brazil: “parelheira”, “papa-pinto”) roadkill in the county of Capão do Leão, State of Rio Grande do Sul, southern Brazil, were necropsied. Two third-stage larvae of D. renale were found in the coelomic cavity of P. patagoniensis. This study reveals a new host for D. renale larvae in the southern region of the State of Rio Grande do Sul, Brazil. This particular geographic area of the country has stood out as several cases of D. renale infection have been reported in a number of vertebrates from this region including domestic dogs and cats and wild animals such as carnivores, fish, and freshwater turtles.

          Translated abstract

          Resumo Dioctophyme renale, verme gigante do rim, parasita cães, gatos e mamíferos silvestres, sendo que no Brasil, a dioctofimatose canina vem sendo diagnosticada em diversos estados brasileiros. O estudo tem por objetivo registrar larvas de D. renale parasitando serpente no extremo sul do Brasil. Nesse contexto, foram examinados três espécimes de Philodryas patagoniensis (Serpentes: Dipsadidae) encontradas mortas após atropelamento em uma estrada do município de Capão do Leão, Rio Grande do Sul (RS). Duas larvas de terceiro estágio de D. renale foram encontradas na cavidade celomática de P. patagoniensis, a qual representa um novo hospedeiro para larvas de D. renale na região sul do RS, a qual vem se destacando devido aos diversos registros do parasito em cães e gatos domésticos, bem como animais silvestres (carnívoros, peixes, quelônios).

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          Most cited references24

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          Development of the giant kidney worm, Dioctophyma renale (Goeze, 1782) (Nematoda: Dioctophymatoidea).

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            Third-stage larvae of the enoplid nematode Dioctophyme renale (Goeze, 1782) in the freshwater turtle Trachemys dorbigni from southern Brazil.

            The giant kidney worm Dioctophyme renale is normally found in wild carnivores and domestic dogs, with aquatic oligochaetes acting as intermediate hosts. In the present study a prevalence of 50% of third-stage larvae of D. renale was recorded in 60 specimens of the freshwater turtle Trachemys dorbigni from southern Brazil. Larvae were encysted in muscles, the coelomic cavity and mesentery, the serous lining of the stomach and on the surfaces of the lung, heart, liver, pancreas, spleen and intestines. There are no previous records of reptiles being part of the life cycle of D. renale, although fish and amphibians normally act as paratenic hosts. This is the first report of third-stage D. renale larvae in the freshwater turtle, T. dorbigni.
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              Macroinvertebrate functional organization and water quality in a large arid river from Patagonia (Argentina)

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbpv
                Revista Brasileira de Parasitologia Veterinária
                Rev. Bras. Parasitol. Vet.
                Colégio Brasileiro de Parasitologia Veterinária (Jaboticabal, SP, Brazil )
                0103-846X
                1984-2961
                November 2018
                : 0
                : 0
                Affiliations
                [01] Pelotas Rio Grande do Sul orgnameUniversidade Federal de Pelotas orgdiv1Instituto de Biologia orgdiv2Laboratório de Parasitologia de Animais Silvestres Brazil
                Article
                12100 S1984-29612018005012100
                10.1590/s1984-296120180060
                30427518
                90a349a0-4f4f-475d-8b66-d75780be4788

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

                History
                : 10 July 2018
                : 11 May 2018
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 28, Pages: 0
                Product

                SciELO Brazil


                Verme gigante do rim,larva de terceiro estágio,serpente,Philodryas patagoniensis,parelheira,papa-pinto,Giant kidney worm,third-stage larvae,snake,“parelheira”,“papa-pinto”

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