Isolation of infectious pancreatic necrosis (IPN) virus from non‐salmonid fish

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Abstract
The isolation and characterization of infectious pancreatic necrosis (IPN) virus from a goldfish, discus fish and bream is described. The fish from which the isolates were recovered showed no pathological signs of IPN. All three virus isolates were neutralized by antiserum to IPN, strain Ab, but not by antiserum to the Sp or VR‐299 strains. They were morphologically identical to IPN virus in negative stain electron microscopy, grew in the cytoplasm of BF‐2 cells, as shown by immuno‐fluorescence and, like IPNV, were stable to heating, lipid solvents and acid pH.