assessment of commercial test kits for identification of spring viraemia of carp virus two test kits for the identification of spring viraemia of carp virus svcv one an enzymelinked immunosorbent assay elisa using a rabbit polyclonal antiserum and the other an indirect fluorescent antibody test ifat using a mouse monoclonal antibody were assessed for specificity using a range of virus isolates the test viruses were selected from 4 recently described genogroups of piscine rhabdoviruses genogroup i svcv genogroup ii grass carp rhabdovirus genogroup iii pike fry rhabdovirus and genogroup iv tench rhabdovirus the test viruses included svcv isolates from all 4 subgroups of genogroup i the elisa was nonspecific for these viruses and did not distinguish between svcv and isolates from the other 3 genogroups however the ifat was too specific and detected svcv isolates from only 1 of the 4 svcv subgroups reliance on these test kits alone could result in misidentification of this oie notifiable disease