Occurrence of VHS in Danish maricultured rainbow trout. (#60)
Hørlyck, V., Mellergård, S., Dalsgaard, I. and Jørgensen, P. E. V.
Bull. Eur. Ass. Fish Pathol.
In 1982 a severe outbreak of viral haemorrhagic septicaemia (VHS) was observed in four Danish seawater trout farms. Signs of disease were identical to those of VHS in freshwater reared rainbow trout. Characteristics of the isolated virus strains were similar to the "freshwater strains". Source of infection remains obscure and the existence of an Egtved virus reservoir in natural salt water has not been demonstrated.