The pathogenicity of the different isolates of the virus of infectious necrosis pancreatic in rainbow trout
There are presented the results of infectious pancreatic necrosis virus investigation isolated from rainbow trout in western Ukraine. It has been established that by clinical and morphological dates such isolates classified under birnavirus group. The pathogenicity of different isolates for one-years trout Oncorhynchus mykiss was determinated. It was found that experimental infection lead to the deaths of up to 60% of one-years trout with characteristic clinical signs of an infectious pancreatic necrosis.