Detección molecular de Ehrlichia canis y Anaplasma phagocytophilum y alteraciones hematológicas de perros infectados

Octavio Merino-Charrez, Valeria Badillo-Moreno, Jorge Loredo-Osti, Hugo Barrios-García, Verónica Carvajal-de-la-Fuente

Resumen

Las ehrlichiosis y anaplasmosis canina son enfermedades transmitidas por garrapatas, provocadas por bacterias del género Ehrlichia y Anaplasma. Debido a sus múltiples manifestaciones clínicas, su diagnóstico es un reto para el veterinario. La distribución de estos hemoparásitos incluye áreas donde su principal vector, Rhipicephalus sanguineus está presente. Este estudio fue diseñado para determinar la presencia Ehrlichia canis y Anaplasma phagocytophilum, así como los factores asociados y hallazgos hematológicos comunes en perros de la zona centro de Tamaulipas. Se evaluaron, a través de PCR, 384 muestras de sangre provenientes de animales de diferentes clínicas veterinarias y un refugio. El análisis de datos se realizó con la prueba Chi cuadrada con un nivel de significancia de 0.05. Los resultados muestran que, del total de muestras 103 (26.8%) resultaron positivas a E. canis, mientras que para A. phagocytophilum no se detectó ningún caso. No se observó asociación significativa con relación al sexo, raza, ni lugar de procedencia (p>0.05), a diferencia de la edad, donde se encontró mayor prevalencia de E. canis para adultos (15-84 meses) (p<0.05). En relación con el hematocrito, conteo de plaquetas, proteínas plasmáticas totales, conteo y diferencial leucocitario, no existió diferencias significativas (p>0.05).

Palabras clave

Ehrlichia canis; Anaplasma phagocytophilum; PCR; hematological findings

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