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      Parasites of the Neotropic cormorant Nannopterum (Phalacrocorax) brasilianus (Aves, Phalacrocoracidae) in Chile Translated title: Parasitos da biguá Nannopterum (Phalacrocorax) brasilianus (Aves, Phalacrocoracidae) do Chile

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          Abstract

          Abstract The Neotropic cormorant Nannopterum (Phalacrocorax) brasilianus (Suliformes: Phalacrocoracidae) is widely distributed in Central and South America. In Chile, information about parasites for this species is limited to helminths and nematodes, and little is known about other parasite groups. This study documents the parasitic fauna present in 80 Neotropic cormorants’ carcasses collected from 2001 to 2008 in Antofagasta, Biobío, and Ñuble regions. Birds were externally inspected for ectoparasites and necropsies were performed to examine digestive and respiratory organs in search of endoparasites. Ectoparasites collected were cleared and mounted for identification under a microscope. Fecal samples were also evaluated to determine the presence of protozoan parasites employing a flotation technique. A total of 44 (42.5%) of birds were infested with at least one ectoparasite species, while 77 (96.25%) were carrying endoparasites. No protozoan forms were found after examination. Most prevalent endoparasite species found were Contracaecum rudolphii s. l. (72/80, 90%), followed by Pectinopygus gyroceras (33/80, 41.25%), and Profilicollis altmani (26/80, 32.5%). This is the first report of P. altmani, Baruscapillaria carbonis, Avioserpens sp., Cyathostoma (Cyathostoma) phenisci, and Eidmaniella pelucida in the Neotropic cormorant. These findings also expand the distributional range of Andracantha phalacrocoracis, Paradilepis caballeroi, Hysteromorpha triloba, and P. gyroceras to Chile.

          Translated abstract

          Resumo O Biguá Nannopterum (Phalacrocorax) brasilianus (Suliformes: Phalacrocoracidae) é amplamente distribuído na América Central e na do Sul. No Chile, as informações sobre parasitos para essa espécie são limitadas a helmintos e nematoides, e pouco se sabe sobre outros grupos de parasitos. Este estudo documenta a fauna parasitária presente em 80 biguás coletados de 2001 a 2008, nas regiões de Antofagasta, Biobío e Ñuble. As aves foram inspecionadas externamente em busca de ectoparasitas; adicionalmente, foram realizadas necropsias para examinar os órgãos digestivos e respiratórios em busca de endoparasitos. Os ectoparasitos coletados foram limpos e montados para identificação ao microscópio. As amostras de fezes também foram avaliadas para determinar a presença de parasitos protozoários, empregando-se uma técnica de flutuação. Um total de 44 (42,5%) aves estavam infectadas com pelo menos um ectoparasito, enquanto 77 (96,25%) estavam portando endoparasito. Nenhuma forma de protozoário foi encontrada após o exame. As espécies de endoparasitos mais prevalentes encontradas foram Contracaecum rudolphii (72/80, 90%), Pectinopygus gyroceras (33/80, 41.25%) e Profilicollis altmani (26/80, 32.5%). Este é o primeiro registro de P. altmani, Baruscapillaria carbonis, Avioserpens sp., Cyathostoma (Cyathostoma) phenisci e Eidmaniella pelucida no biguá. Esses resultados também expandem a distribuição de Andracantha phalacrocoracis, Paradilepis caballeroi, Ascocotyle felippei, Hysteromorpha triloba e P. gyroceras no Chile.

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              Ehrlichia-infected ticks on migrating birds.

              During the spring of 1996, an estimated 581,395 Ehrlichia-infected ticks were imported into Sweden by migrating birds. Ehrlichia gene sequences found in ticks collected from these migrating birds were identical to those of granulocytic ehrlichiosis found in domestic animals and humans in Sweden. These findings support the idea that birds may play a role in dispersing Ehrlichia.
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                Author and article information

                Journal
                rbpv
                Revista Brasileira de Parasitologia Veterinária
                Rev. Bras. Parasitol. Vet.
                Colégio Brasileiro de Parasitologia Veterinária (Jaboticabal, SP, Brazil )
                0103-846X
                1984-2961
                2020
                : 29
                : 3
                : e003920
                Affiliations
                [01] Chillán Bío-Bío orgnameUniversidad de Concepción orgdiv1Facultad de Medicina Veterinaria orgdiv2Departamento de Ciencia Animal Chile
                [02] Chillán Bío-Bío orgnameUniversidad de Concepción orgdiv1Facultad de Medicina Veterinaria orgdiv2Departamento de Ciencia Animal Chile
                [03] Missoula MT orgnameHelm West Lab USA
                [06] Concepción Bío-Bío orgnameUniversidad de Concepción orgdiv1Facultad de Ciencias Naturales y Oceanográficas Chile
                [04] Concepción Santiago de Chile orgnameUniversidad Santo Tomás orgdiv1Escuela de Medicina Veterinaria Chile
                [05] Mar del Plata Buenos Aires orgnameUniversidad Nacional de Mar del Plata Argentina
                Article
                S1984-29612020000300314 S1984-2961(20)02900300314
                10.1590/s1984-29612020049
                33027422
                d2ba3689-0b1d-4178-a090-3cffeb45c4d1

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

                History
                : 18 May 2020
                : 04 March 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 134, Pages: 0
                Product

                SciELO Brazil

                Self URI: Full text available only in PDF format (EN)
                Categories
                Original Article

                Helminths,parasitas internos,ectoparasites,birds,piolhos,pássaro,Helmintos,endoparasites,lice,parasitas externos

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