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Parasitology Research

, Volume 117, Issue 12, pp 4033–4036 | Cite as

Trichinella spiralis in a South American sea lion (Otaria flavescens) from Patagonia, Argentina

  • M. I. Pasqualetti
  • F. A. Fariña
  • S. J. Krivokapich
  • G. M. Gatti
  • G. A. Daneri
  • E. A. Varela
  • S. Lucero
  • M. E. Ercole
  • C. Bessi
  • M. Winter
  • M. M. Ribicich
Short Communication
  • 177 Downloads

Abstract

Trichinella spp. from a sylvatic cycle has been found in several animal species such as pumas (Puma concolor), armadillos (Chaetophractus villosus), rats (Rattus norvegicus), and wild boars (Sus scrofa) in Argentina. Moreover, Trichinella infection has been detected in a wide range of marine mammals around the world, including polar bears (Ursus maritimus) and walruses (Odobenus rosmarus). Until the present time, Trichinella spp. infection has not been detected in marine mammals of South America. Samples from four South American sea lions (Otaria flavescens) found dead in Rio Negro, Argentina, were analyzed by artificial digestion, and in the case of one animal, Trichinella larvae were identified at the species level by nested multiplex PCR as Trichinella spiralis. This is the first report of a Trichinella species infecting marine mammals from South America.

Keywords

Trichinella spiralis Trichinella Otaria flavescens South American sea lion Marine mammals 

Notes

Acknowledgments

We thank the Secretaría de Medio Ambiente y Desarrollo Sustentable (SAyDS) of Río Negro Province for giving us permission to get sample from the rookeries.

Funding

This work was supported by Universidad de Buenos Aires, Secretaria de Ciencia y Técnica Subsidio UBACyT20020130100336BA and Ministerio de Ciencia y Tecnología, FONCyT Subsidio PICT-2015-2350.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • M. I. Pasqualetti
    • 1
    • 2
  • F. A. Fariña
    • 1
    • 2
  • S. J. Krivokapich
    • 3
  • G. M. Gatti
    • 3
  • G. A. Daneri
    • 4
  • E. A. Varela
    • 4
  • S. Lucero
    • 4
  • M. E. Ercole
    • 1
  • C. Bessi
    • 1
  • M. Winter
    • 5
    • 6
  • M. M. Ribicich
    • 1
    • 2
  1. 1.Universidad de Buenos AiresFacultad de Ciencias Veterinarias, Cátedra de Parasitología y Enfermedades ParasitariasCABAArgentina
  2. 2.CONICET – Universidad de Buenos AiresInstituto de Investigaciones en Producción Animal (INPA)Buenos AiresArgentina
  3. 3.ANLIS, Dr. Carlos G. MalbránBuenos AiresArgentina
  4. 4.Laboratorio de Sistemática, Anatomía y Bioecología de Mamíferos Marinos, Division Mastozoología, Museo Argentino de Ciencias Naturales“Bernardino Rivadavia”- CONICETCABAArgentina
  5. 5.Universidad Nacional de Río Negro-Sede AtlánticaViedmaArgentina
  6. 6.Centro de Investigación y Transferencia Río NegroViedmaArgentina

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