Khv strikes lincolnshire
Diseased and dying fish in two Lincolnshire lakes have been confirmed as suffering from Koi herpesvirus, more commonly know as KHV. The first outbreak was confirmed by the Fish Health Inspectorate (FHI) at K’s Lakes near Skegness, with a second one at Locklands Lake a week later. As a result, all fishing activity has been cancelled for the time being. The virus affects all varieties of the Common carp,
Cyprinus carpio, both wild and ornamental. Symptoms include gill lesions, with white or brown necrotic patches being typical, sunken eyes, rough patches on the skin and excessive mucus. Infected fish often become lethargic, have trouble swimming and remain near the surface longer than usual. In some populations death rates can be as high as 80% and fish that do recover and survive remain infectious for the rest of their lives. High water temperatures can trigger outbreaks with the disease most prevalent at 16-28°C.
While there is no risk to human health, the disease is notifiable to the FHI and there are strict controls on the movement of fish from affected ponds and the correct disinfection of equipment.