It is an essential goal for us to keep the survival rates as high as possible.  

Lost fish is undesirable both from a fish health and welfare perspective and from a financial perspective. Thus, our goal is to get as many individuals as possible throughout the whole production phase from egg to slaughter. Farming robust smolts, good husbandry, disease control and careful handling are key factors.  

Different biological factors contribute to the result, in 2025 delousing treatments and viral diseases where main mortality reasons. The top three causes of mortality in the sea phase 2025 were distributed as follows.

Departments in the Group´s Farming division, contributes to the work to achieve the main goal, by identifying and working towards their own specific goals for survival. This includes land- and sea-farms.   

Read more: This is how Lerøy works with fish welfare

Policy:  Fish health and fish welfare