Test the persistent efficacy of compounds v,w and x against pathogen L in Atlantic salmon

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Begrunnelse for etterevalueringen

Mattilsynet er forpliktet etter regelverket til å etterevaluere alle forsøk som er betydelig belastende for forsøksdyrene

Etterevaluering

The objectives of the trial were achieved. The results generated information on susceptibilty and efficacy duration of treatment of a given dose against pathogen L when treated with compounds v, w and x.

272 out of 328 animals were used. The actual severity level for the animals was moderate- lice infestation over the trial period. None of the animals experienced a severe harm.

Fish were monitored everyday and specifically during sampling. Fish numbers were reduced but the replacement and refinement parameters were unchanged.