Experimental infection of pigs with Border disease virus isolated from Pyrenean chamois (Rupicapra pyrenaica)

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Between 2001 and 2007, several outbreaks of disease associated with Border disease virus (BDV) infection were reported in the central Pyrenees (northeast Spain) and were associated with a major reduction in chamois (Rupicapra pyrenaica) populations. At the same time, wild boars (Sus scrofa) from the same area were found to be seropositive to this pestivirus, without showing clinical signs. The present study examines the susceptibility of domestic swine and the course of the infection with a BDV strain isolated from naturally infected chamois. Twenty pigs were inoculated with 1 × 107 TCID50 (50% tissue culture infective dose) by oronasal route, and 16 control pigs received Eagles sterile Minimal Essential Medium. Serologic (enzyme-linked immunosorbent assay and virus neutralization test) and reverse transcription polymerase chain reaction assays were performed on serum samples obtained at 0, 3, 7, 10, 14, 21, and 31 days postinoculation (dpi). All infected pigs were viremic from 3 to 14 dpi. After 14 dpi, all infected animals developed an antibody response against the homologous virus. Clinical signs or histologic lesions were not observed in inoculated pigs. The present work demonstrates the susceptibility of domestic swine to a BDV strain of chamois origin.
Original languageEnglish
Pages (from-to)360-365
JournalJournal of Veterinary Diagnostic Investigation
Issue number3
Publication statusPublished - 1 May 2010


  • Border disease virus
  • Chamois
  • Pestivirus
  • Rupicapra pyrenaica
  • Swine


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