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Partial characterization of a Brazilian strain of Aujeszky’s disease virus recovered from a pig with subclinical infection Arq. Bras. Med. Vet. Zootec.
Cândido,A.L.; Resende,M.; Oliveira,M.E.; Bontempo,E.D.; Drumond,B. P..
One Brazilian strain of Aujeszky’s disease virus isolated from a piglet in which the disease had not been observed was studied as for its virulence in pigs. The genome of the virus was molecularly analysed as for their restriction endonuclease cleavage pattern. Fifty-day-old non-immune weanlings exposed to this strain showed no disease although the virus was present in their oropharyngeal area for at least three days. All animals developed moderate titers of neutralizing antibody. Based on number of bands and migration rate of restriction fragments the isolate was classified into Herrmann’s type I group. Latent infection was detected in all pigs by PCR. Some variations were detected in the cleavage pattern of the strain ASB Piau when compared to LA031...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Swine; Aujeszky’s disease virus; Virulence; Latency.
Ano: 2000 URL:
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