Detection and Characterization of Hepatitis E Virus in Domestic Pigs of Different Ages in Portugal
2012
Berto, A. | Mesquita, J. R. | Hakze‐van der Honing, R. | Nascimento, M. S. J. | van der Poel, W. H. M.
This study represents the primary hepatitis E virus (HEV) surveillance in domestic pigs in Portugal, five pig farms were investigated in 5 different Portuguese regions, ten faecal samples were collected at four different stages of the production. All faecal samples were tested for hepatitis E virus by real‐time RT‐PCR. At least one sample from each farms of all age groups tested positive for HEV. The prevalence in the pig herds varied from 10% to 30% and the mean prevalence was 32% in weaners, 20% in growers, 32% in fatteners and 4% in adult dry sows. Phylogenetic analysis of the detected HEV sequences indicated that the circulating virus strains belong under the genotype 3.
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