The fish inoculated with the virus showed cumulative
mortality of 30%, after immersion infection of Ryukin,
and 90 and 100% after IP injection of Edonishiki and
Ryukin, respectively. The mortality rates in the IP injection
group of Ryukin and Edonishiki were significantly
higher compared with the respective negative
controls. The mortality in the immersion group of
Ryukin was not significantly different.