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Many salmon and brown trout populations in the world are endangered and dependent on restocking. However, restocking of fish has not been successful in many cases. The main reason for this is the high mortality of the released fish. One obvious reason is that life skills that are important for survival in the wild are weakened by domestication selection and unnatural rearing environment. To counteract this we have developed a new more natural production-scale rearing method. Goals Ecologically and economically more effective large-scale production of stocked fish than the present methods. Impact of research More viable fish produced by new methods are more cost-efficient for large-scale production than the currently used standard method. More productive fish stocks and stockings bring benefits for both fishermen and fish farmers. Researcher in charge Hyvärinen Pekka, Finnish Game and Fisheries Research Institute
Contacts
Duration 2008 - 2013 Project phase: Completed
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