WHAT IS KHV?

Angling Times (UK) - - THIS WEEK -

KHV is a highly in­fec­tious dis­ease that hits hard­est in wa­ter tem­per­a­tures be­tween 16°C and 28°C. Out­side of this range it may stop af­fect­ing a fish­ery. It is spread from fish to fish, but other agen­cies can be re­spon­si­ble for its trans­fer, in­clud­ing fish urine, fae­ces and in­fected wa­ter. On some fish­eries KHV can wipe out just a hand­ful of fish while on oth­ers the whole stock of carp can die from it.

The first con­firmed out­breaks were in Is­rael in 1998, since when it has spread rapidly to at least four con­ti­nents. It was first re­ported in the UK in or­na­men­tal fish in 2000, but the first main out­break in recre­ational fish­eries was in 2006. Since then there have been be­tween six and 25 con­firmed out­breaks each year. There is no known cure.

Any fish­ery who sus­pects they have KHV must in­form CEFAS, who will then in­ves­ti­gate and con­firm whether or not this is the case by run­ning a se­ries of tests.

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