Detection and Molecular Identification of Sarcocystis rileyi (Apicomplexa: Sarcocystidae) From a Northern Shoveler (Anas clypeata) in Mexico

Patricia Padilla-Aguilar; Evangelina Romero-Callejas; David Osorio-Sarabia; José Ramírez-Lezama; Nohemi Cigarroa-Toledo; Carlos Machain-Williams; Carlos Manterola; Heliot Zarza

doi:10.7589/2016-01-004

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1 October 2016 Detection and Molecular Identification of Sarcocystis rileyi (Apicomplexa: Sarcocystidae) From a Northern Shoveler (Anas clypeata) in Mexico

Patricia Padilla-Aguilar, Evangelina Romero-Callejas, David Osorio-Sarabia, José Ramírez-Lezama, Nohemi Cigarroa-Toledo, Carlos Machain-Williams, Carlos Manterola, Heliot Zarza

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J. of Wildlife Diseases, 52(4):931-935 (2016). https://doi.org/10.7589/2016-01-004

Abstract

We detected macroscopic Sarcocystis cysts in a Northern Shoveler (Anas clypeata) in the Lerma Marshes, State of Mexico, Mexico in February 2014. The 5.0×2.0-mm macrocysts in the breast muscle of the duck were ovoid and yellow. Using an optical microscope, we saw parasitic forms of a Sarcocystis sp. among muscular fibers; the cysts measured 3.5×1.1 mm. The external wall had a smooth surface and the internal wall had a spongy texture. We identified the macrocysts as Sarcocystis rileyi according to sequences of the 18S rRNA gene, 28S rRNA gene, and ITS-1 region. Sarcocystosis should be considered in similar assessments in wild waterfowl in Mexico. Awareness of S. rileyi among anatids in the Lerma Marshes will contribute to more-effective conservation and management actions.

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Patricia Padilla-Aguilar, Evangelina Romero-Callejas, David Osorio-Sarabia, José Ramírez-Lezama, Nohemi Cigarroa-Toledo, Carlos Machain-Williams, Carlos Manterola, and Heliot Zarza "Detection and Molecular Identification of Sarcocystis rileyi (Apicomplexa: Sarcocystidae) From a Northern Shoveler (Anas clypeata) in Mexico," Journal of Wildlife Diseases 52(4), 931-935, (1 October 2016). https://doi.org/10.7589/2016-01-004

Received: 6 January 2016; Accepted: 1 April 2016; Published: 1 October 2016

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