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Eimeria trichechi n.sp. from the Amazonian manatee, Trichechus inunguis (Mammalia: Sirenia)

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Summary

Eimeria trichechi n.sp. is described and figured from the manatee, Trichechus inunguis, from Amazonas State, north Brazil. Undifferentiated oocysts are passed in the faeces and complete their sporulation in ∼36h at 24 to 26°C. Oocysts are spherical, with a mean size of 13.40 × 13.30 μm. The wall is uni-layered, smooth, colourless and ∼0.5 μm thick; there is no micropyle, oocyst residuum or polar body. Sporocysts are ellipsoidal, with a mean size of 8.65 × 4.62 μm. The sporozoites are longer than the sporocyst and recurved at their ends: there is a sporocyst residuum of fine granules, but no visible Steida body. ac]19821113

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Reference

  • Best, R.C. (1981) Foods and feeding habits of wild and captive Sirenia. Mammal Review, 11, 3–29.

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Authors and Affiliations

  1. The Wellcome Parasitology Unit, Seção de Parasitologia, Instituto Evandro Chagas, Fundação Serviços de Saúde Pública, Belém, Pará, Brazil

    R. Lainson & J. J. Shaw

  2. Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil

    R. D. Naiff & R. C. Best

Authors
  1. R. Lainson
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  2. R. D. Naiff
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  3. R. C. Best
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  4. J. J. Shaw
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Lainson, R., Naiff, R.D., Best, R.C. et al. Eimeria trichechi n.sp. from the Amazonian manatee, Trichechus inunguis (Mammalia: Sirenia). Syst Parasitol 5, 287–289 (1983). https://doi.org/10.1007/BF00009162

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  • DOI: https://doi.org/10.1007/BF00009162

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