| Main Ref: | 197 |
| Disease type: | Viral diseases |
| Disease name: | SVC |
| Other names: | Spring Viraemia of Carp, Dropsy, Acute Dropsy, Chronic Dropsy |
| Caus. agent: | Rhabdovirus carpio |
| Group: |
| Part of body and/or behavior affected by disease: | ||
| Skins and/or fins | Belly | Swimming behavior |
| Gills | Anus | Other behavior |
| Eyes | Viscera Afflicted | Other symptoms |
| Fish affected: | Cyprinidae | |
| Symptoms: | Swollen reddish abdomen, pale gills with haemorrhages, exophthalmus and red eyes, viscera pasted and inflamed, anus red and protrused, pseudo-faeces; lethargy, heavy ventilation. Another symptoms is that the infected fish isolate themselves, and can also exhibit endophthalmos (sunken eyes). Ref. 48502. Also some external symptoms include skin darkening, ecchymosis in the skin, anterior eye chamber and anaemia. Ref. 048847. | |
| Treatments: | Antibiotic treatment may reduce the mortality rate by reducing secondary bacterial infection. Good nutritional status appears to result in lower losses. | |
| Prophylaxis: | No known means of preventing infection other than by avoiding virus, e.g., maintenance of disease-free stocks, with strict restriction on introduction of new stock unless from impeccable sources. | |
| Remarks: | The disease can be transmitted by fish louse Argulus and also by birds. The diseases can be mistaken as bacterial oedema. Ref. 48502 | |
| Mortality and seasonality | ||
| Mortality: | medium (10% - 30 %) | |
| Seasonality: | ||
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