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Artículo

Seroprevalence of Sarcocystis neurona and Its Association With Neurologic Disorders in Argentinean Horses

Moré, Gastón AndrésIcon ; Vissani, Aldana; Pardini, Lais LujánIcon ; Monina, Marta; Muriel, Marcos; Howe, Daniel; Barrandeguy, María Edith; Venturini, María Cecilia
Fecha de publicación: 07/2014
Editorial: Elsevier Science Inc
Revista: Journal Of Equine Veterinary Science
ISSN: 0737-0806
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Veterinarias

Resumen

Equine protozoal myeloencephalitis (EPM) is generally caused by Sarcocystis neurona and can produce substantial economic losses on equine production in America. The aims of the present study were to evaluate the seroprevalence of S. neurona in the main horse-production area of Argentina and associate it with the occurrence of neurologic disorders. Serum samples were collected from 640 horses in nine Argentinean provinces. Most of the samples correspond to animals ≥1.5-year-old from different breeds (n = 628); 12 samples were from younger horses. Further seroprevalence comparison was conducted from the older animals grouped with (n = 148) or without neurologic signs (n = 480). Immunoblot: proteins from 2 × 107 S. neurona merozoites were used as antigen on each membrane. Reactivity to antigens with relative mobility of 7, 10, and 16 kDa was considered specific for antibodies against S. neurona; reactivity at 30 kDa was recorded separately. The overall seroprevalence for S. neurona was 26.1% (167/640), and all the provinces had positive horses. Seroprevalence of animals with neurologic signs was greater (P < .001) than what was observed in normal horses (39.2% vs. 22.1%), with an odds ratio of 2.27. Reactivity at 30 kDa was detected in 71% of all samples. This study identified a wide distribution of S. neurona–positive animals in Argentina and horses with neurologic signs having a greater seroprevalence than normal horses. Sarcocystis neurona infection should be considered for early differential diagnosis and treatment of animals with neurologic disorders to decrease the economic impact of EPM in Argentina.
Palabras clave: Sarcocystis Neurona , Epm , Immunoblot , Horse , Argentina
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/32574
DOI: http://dx.doi.org/10.1016/j.jevs.2014.06.002
URL: http://www.sciencedirect.com/science/article/pii/S0737080614002123
Colecciones
Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Citación
Moré, Gastón Andrés; Howe, Daniel; Pardini, Lais Luján; Venturini, María Cecilia; Barrandeguy, María Edith; Vissani, Aldana; et al.; Seroprevalence of Sarcocystis neurona and Its Association With Neurologic Disorders in Argentinean Horses; Elsevier Science Inc; Journal Of Equine Veterinary Science; 34; 9; 7-2014; 1051-1054
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