Importance of aquaculture is increasing worldwide. Along with food production, rearing of endangered fish populations for supportive stocking has become important. In such actions, it is important that the behavior and survival of introduced fish resembles to that of their natural conspecifics.
Traditional stimulus poor rearing environment offers favorable conditions for spread of parasites and diseases, which can significantly reduce the pre- and post-release survival of aquaculture fish. For enhancing the quality of stocked fish, enriched rearing method has been developed in Kainuu Fisheries Research Station of Luke in Paltamo. In this method, structures are added to rearing tanks to increase habitat complexity and resemblance to natural conditions. Earlier, enriched rearing has also been shown to enhance survival of fish during disease epidemics in rearing conditions, but the underlying mechanisms have remained unclear.
New - Results - Effects - Collaborate - Study
New results about the effects of enriched rearing have now been achieved from collaborate study of University of Jyväskylä and Luke. The study showed that enriched rearing enhanced the survival of Atlantic salmon (Salmo salar) and sea...
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