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Experimental infection of pigs with porcine haemagglutinating encephalomyelitis virus



Experimental infection of pigs with porcine haemagglutinating encephalomyelitis virus



Japanese Journal of Veterinary Science 51(4): 827-830



Results are given from four experiments in which piglets were inoculated with the NPTr32 strain of porcine haemagglutinating encephalomyelitis virus isolated from the respiratory tract of pigs with respiratory illness. The virus induced mild encephalitis by intracerebral inoculation at 106.9 TCID50, and pneumonitis by intranasal inoculation (107.5 TCID50) in colostrum-deprived 10-day-old piglets. Conventional 50-day-old pigs inoculated s/c (108.0 TCID50) showed no illness, but those inoculated orally (108.2 TCID50) developed respiratory illness. Conventional 70-day-old pigs inoculated intranasally (108.0 TCID50) also developed respiratory illness. The virus recovery from infected animals was roughly correlated with histopathological findings.

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Accession: 001831816

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PMID: 2555621



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