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Parvovirosis porcina: una actualización
Felipe Streck A., de Barros Moyses...
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Resumen
El parvovirus porcino (PPV) se considera como uno de los principales causantes de problemas reproductivos en la porcicultura. Entre los signos clínicos comúnmente asociados a la infección por PPV están muerte fetal, fetos momificados, nacimiento de mortinatos y retraso en el retorno al estro. El parvovirus porcino siempre se ha considerado como un virus conserva- do, sin la emergencia constante de nuevas variantes. Sin embargo, se ha sugerido que algunos parvovirus exhiben una tasa de sustitución cercana a algunos virus de ARN. En este contexto, se han reportado nuevos fenotipos de PPV durante los últimos años, pero su importancia clínica y su capacidad para reducir la eficacia de las vacunas siguen generando dudas. Esta revisión tiene por objeto presentar una visión general sobre la estructura, la patogenia y los aspectos clínicos del PPV, destacando el descubrimiento de nuevos perfiles de cápside y estudios sobre las vacunas utilizadas actualmente.
Abstract
Porcine parvovirosis: an update
Porcine parvovirus (PPV) is considered one of the main causes of reproductive disturbances in pig farming. Among the clinical signs commonly associated with PPV infection are fetal death, mummified fetuses, birth of stillbirths and delay in the return to estrus. Porcine parvovirus was always considered a con- served virus, without the constant emergence of new variants. However, there are suggestions that some parvoviruses exhibit a substitution rate close to some RNA viruses. In this context, new phenotypes of PPV have been reported in recent years, but its clinical importance and its capacity to reduce the efficacy of vaccines continues to raise questions. The aim of this review is to present an overview of the structure, pathogenesis and clinical aspects of PPV, highlighting the discovery of new profiles of capsids and studies on currently used vaccines.
PPV; parvovirus porcino; SMEDI; momificación, porcine parvovirus, mummification
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About
Affiliation of the authors at the time of publication
Laboratório de Diagnóstico em Medicina Veterinária, Universidade de Caxias do Sul
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Suis es un programa de formación para técnicos de porcino diseñado por los más cualificados especialistas. Su objetivo es garantizar la completa y permanente actualización profesional que hoy en día necesitan los profesionales del sector.
A través de este programa cada técnico realiza cursos para mejorar su formación en aspectos claves de la profesión, tiene acceso a los últimos trabajos e investigaciones en materia de sanidad animal, nutrición, genética, manejo o de cualquier otra disciplina, y conoce desde las técnicas clínicas y de manejo más novedosas hasta las principales noticias del sector porcino.

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