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Isospora dromaii n. sp. (Apicomplexa, Eimeriidae) isolated from emus, Dromaius novaehollandiae (Casuariiformes, Casuariidae)

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Abstract

A new species of Coccidia (Protozoa: Apicomplexa: Eimeriidae) isolated from emus, Dromaius novaehollandiae, which was observed in Brazil is described and named. Oocysts of Isospora dromaii n. sp. are subspheroidal to ovoid in shape, measure 21.6 × 19.8 μm, and have a double and smooth wall thickness of approximately 1.4 μm. In this species, micropyle, oocyst residuum, and polar granules are absent. The sporocysts are slightly ovoid in shape and measure 13.7 × 10.0 μm. Nipple-like Stieda body and prominent sub-Stieda body are present. The sporocyst residuum is composed of small dispersed granules of varying sizes. The sporozoites are characterized by an oblong refractile body and one centrally located nucleus. This is the first description of isosporid coccidia infecting birds of the family Dromaiidae.

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Authors and Affiliations

  1. Laboratório de Sanidade Animal, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de Janeiro, 28035-602, Brazil

    Carina dos Santos Teixeira, Samira Salim Mello Gallo & Francisco Carlos Rodrigues de Oliveira

  2. Universidade Federal do Pará, Campus Universitário do Marajó–Breves, Breves, Pará, 68800-000, Brazil

    Nicole Brand Ederli

  3. Departamento de Biologia Animal, Instituto de Biologia, Universidade Federal Rural do Rio de Janeiro, Seropédica, Rio de Janeiro, 23897-970, Brazil

    Bruno Pereira Berto

Authors
  1. Carina dos Santos Teixeira
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  2. Samira Salim Mello Gallo
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  3. Nicole Brand Ederli
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  4. Bruno Pereira Berto
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  5. Francisco Carlos Rodrigues de Oliveira
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Correspondence to Francisco Carlos Rodrigues de Oliveira.

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dos Santos Teixeira, C., Gallo, S.S.M., Ederli, N.B. et al. Isospora dromaii n. sp. (Apicomplexa, Eimeriidae) isolated from emus, Dromaius novaehollandiae (Casuariiformes, Casuariidae). Parasitol Res 113, 3953–3955 (2014). https://doi.org/10.1007/s00436-014-4059-6

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  • DOI: https://doi.org/10.1007/s00436-014-4059-6

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