Contribución de los autores:Mariolga Berrizbeitia: coordinadora del proyecto a nivel regional, realización del análisis estadístico y escritura del manuscrito. Juan Luis Concepción: coordinador nacional del proyecto, revisión y aprobación del manuscrito. Valentina Cazorla: realización de los ensayos, contribución en la escritura del manuscrito. Jessicca Rodríguez: realización de los ensayos. Ana Cáceres y Wilfredo Quiñones: asesoría en la elaboración del proyecto, revisión del análisis estadístico. . No significant statistic association was found between the T. cruzi infection in dogs and the evaluated epidemiological variables: hunting dogs that slept oudoors roaming freely in the populated center, sex of the animal and eating habits. The T. cruzi infection was associated to the age of canines, being significantly higher in the group of 0 to 3 years, when compared with older dogs.
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