Signs of disease
Important: animals with disease may show one or more of the signs below, but disease may still be present in the absence of any signs.
Disease signs at the farm level
mortality of 30%–100%
Disease signs at the tank and pond level
separation from shoal
Clinical signs of disease in an infected animal
exophthalmus (pop eye)
swollen abdomen (dropsy)
petechial (pinpoint) haemorrhages in the fatty tissue and muscle surrounding organs and stomach wall
haemorrhages on skin
Gross signs of disease in an infected animal
haemorrhages in gills, abdominal tissue, swim bladder and other internal organs
ascites (abdominal cavity filled with fluid)
Disease agent
Spring viraemia of carp (SVC) virus is a rhabdovirus closely related to infectious haematopoietic necrosis virus and viral haemorrhagic septicaemia virus.