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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

On-line version ISSN 1678-4162

Abstract

OLIVEIRA, R. A. M.; LORENZETTI, E.; ALFIERI, A. A.  and  LISBOA, J. A. N.. Prevalence of latent infection with BoHV-1 and BoHV-5 in beef cattle of Parana, Brazil. Arq. Bras. Med. Vet. Zootec. [online]. 2015, vol.67, n.5, pp.1217-1225. ISSN 1678-4162.  http://dx.doi.org/10.1590/1678-4162-7496.

ABSTRACT

The prevalence of latent infection with BoHV-1 or BoHV-5 in beef cattle raised in the state of Paraná, Brazil, was studied. The trigeminal ganglia were collected in a slaughterhouse from 400 healthy cattle, 18 to 36 months old, raised in 90 farms located in distinct geographical regions of the state. Polymerase chain reaction for amplification of the gene encoding C glycoprotein was performed to detect virus DNA. One hundred and nine (27.25%) animals were herpetic; 14.25% (57/400) were infected with BoHV-1, 9.75% (39/400) were infected with BoHV-5 and 3.25% (13/400) had mixed infection. The geographical distribution was heterogeneous and the infections were more prevalent in the north of the state. The surveillance for BoHV-5 encephalitis should be intensive in the Northwest region.

Keywords : bovine herpesvirus; diagnosis; epidemiology; neurological diseases.

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