NOTE Virology Pathogenicity of border disease virus FNK2012-1 strain isolated from a pig in the natural host, sheep

نویسندگان

  • Tomokazu TAMURA
  • Junki MINE
  • Shiho TORII
  • Yuri FUJIMOTO
  • Masatoshi OKAMATSU
  • Yoshihiro SAKODA
چکیده

A first isolation of border disease virus (BDV) in Japan was from a pig on a farm without keeping any ruminants. Our previous study showed that this BDV, termed the FNK2012-1 strain, replicated inefficiently in swine-derived cells compared with those of ruminant origin. Pigs inoculated with this virus showed neither clinical symptoms nor viremia. In this study, we evaluated the pathogenicity of the FNK2012-1 strain in sheep, its natural host. The inoculated sheep showed clinical symptoms and transient viremia. Seroconversion was observed in the inoculated sheep. These results suggest that the FNK2012-1 strain was introduced from sheep and has not yet adapted to swine. Therefore, surveillance of border disease in Japan is necessary among both the swine and ruminant populations.

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Pathogenicity of border disease virus FNK2012-1 strain isolated from a pig in the natural host, sheep

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تاریخ انتشار 2015