Koi Herpesvirus Outbreak Confirmed

Information Bulletin ref: CD 05/ 2010
Date: 26 July 2010

Movements of fish into, out of and within a fishery in Nottinghamshire have been restricted, following the confirmation of Koi Herpesvirus disease.

Cefas acting on behalf of Defra has issued a confirmed designation prohibiting the movement of fish to, from and within Aldercar Lane Fishery Lakes, Aldercar Lane, Langley Mill, Nottinghamshire, NG16 4HJ. Under the requirements of the designation the fishery has also been directed to establish and maintain on-site facilities for the disinfection of angling equipment prior to being taken out of the designated area and anglers must comply with their use.

Samples were taken from the affected site following reported deaths of fish showing clinical signs associated with this disease. The samples tested positive for the presence of Koi Herpesvirus.

Koi Herpesvirus disease affects all varieties of carp (Cyprinus carpio), including common carp, mirror carp, ghost carp and koi carp and can result in high rates of fish mortalities.

There are no implications for human health.

Koi Herpesvirus is a notifiable disease, any suspicion of its presence should be immediately reported to:

The Centre for Environment, Fisheries and Aquaculture Science (Cefas) in Weymouth
Tel: 01305 206700
E-mail:fhi@cefas.co.uk

Notes to editors:

CD 05/ 2010, issued under the Aquatic Animal Health, England and Wales Regulations 2009 restricts the movement of any live fish, including their eggs and gametes, into, out of or within the designated area without the prior written consent of the Fish Health Inspectorate at Cefas.
The designated area is ‘Aldercar Lane Fishery Lakes, Aldercar Lane, Langley Mill, Nottinghamshire, NG16 4HJ. The central British national grid reference co-ordinate is SK4456 4858 and the area controlled covers approximately 42,600 square meters.
Clinical signs of the disease may include white or necrotic patches on the gills, rough patches on the skin, sloughing mucous and sunken eyes. These signs usually appear when water temperatures are between 16 and 28 degrees centigrade

Further information is available at www.efishbusiness.co.uk, or from Cefas, Fish Health Inspectorate, Weymouth Laboratory, The Nothe, Barrack Road, Weymouth, Dorset, DT4 8UB. Tel: 01305 206700 or e-mail: fhi@cefas.co.uk