Susceptibilidad del chiguiro (Hydrochoerus hydrochoeris) al virus de estomatítis vesicular
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Instituto Colombiano Agropecuario
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Se estudió la susceptibilidad del chigüiro o capibara (Hydrochoerus hydrochoeris) al virus de la Estomatitis Vesicular, tipos New Jersey e Indiana. Las inoculaciones se hicieron en grupos de animales confinados en unidades de aislamiento, utilizando las vías intravenosa, intramuscular, intraplantar e intralingual, con virus de epitelio bovino y adaptado a cultivos celulares (línea BHK 21 )- No se observó ningún síntoma o lesión vesicular en los doce chigüiros jóvenes y adultos inoculados. Tampoco fue posible detectar viremia. Sin embargo, se desarrollaron anticuerpos específicos durante los 30 días de observación después de la inoculación, detectados por la prueba de microneutralización. En las condiciones del experimento se detectó una posible infección subclínica en los chigüiros por virus de la Estomatitis Vesicular, basada en el desarrollo de anticuerpos neutralizantes. Se hace un análisis de las condiciones que pueden incidir en la susceptibilidad de esta especie silvestre a la enfermedad.
The susceptibility if Capybara (Hidrochoerus hydrochoeris) to Vesicular Stomatitis virus, types New Jersey and Indiana, was studied. Groups of four animals kept in isolation units were inoculated by different houtes (tongue, foatpad, intramuscular, intravenous) with bovine infected epithelium and virus adapted to BHK cultures. None of the young or adult animals presented signs or lesions of Vesicular Stomatitis. No virus isolation was obtained from blood and organs, but specific antibodies were detected during the 30 days observation period by the Microneutralization test. In the conditions of the experiment a possible subclinical Vesicular Stomatitis infection of the Capybaras was detected, based on the development of neutralizing antibodies. The factors that might be involved in the susceptibility of this wild specie to the disease are discussed.
The susceptibility if Capybara (Hidrochoerus hydrochoeris) to Vesicular Stomatitis virus, types New Jersey and Indiana, was studied. Groups of four animals kept in isolation units were inoculated by different houtes (tongue, foatpad, intramuscular, intravenous) with bovine infected epithelium and virus adapted to BHK cultures. None of the young or adult animals presented signs or lesions of Vesicular Stomatitis. No virus isolation was obtained from blood and organs, but specific antibodies were detected during the 30 days observation period by the Microneutralization test. In the conditions of the experiment a possible subclinical Vesicular Stomatitis infection of the Capybaras was detected, based on the development of neutralizing antibodies. The factors that might be involved in the susceptibility of this wild specie to the disease are discussed.
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Enfermedades de los animales - L73, Roedores, Enfermedades estomacales, Epidemiología, Transversal