Meningoencefalite por herpesvírus bovino tipo 5: revisão de literatura

Abstract

The Meningoencephalitis by Bovine Herpesvirus Type 5 (BHV-5) it is a important viral disease that affects the central nervous system, mainly in cattle. Its occurrence commonly is in outbreaks, presenting an acute and lethal character, although some animals may survive. The etiologic agent belongs to the genus Varicellovirus, Herpesviridae family and AIphaherpesvirinae subfamily, a double chain virus, DNA, with envelope capable of remaining in laténcy, in hosts that resist infection. An illness characterized by causing non-suppurative meningoencephalitis and cerebral cortex necrosis, besides several neurological disorders. The severity of clínical course, the impacts on the cattle production chain, its occurrence in different Brazilians states and the existence of risk factors in the country, reveal the need for revision about fundamental particularities for greatér understanding. The present study aims to review important aspects for the formation of the disease, among them, etiology, epidemiology, pathogenesis, clínical and pathological findings, diagnosis, as well as control measures.