In 2025 mortality for salmon decreased slightly compared with 2024 and 2023, whereas mortality for farmed cod increased compared to the two previous years. In a survey, injuries following delousing and infectious diseases are stated as the most important causes of death for salmon in sea cages. The Fish Health Report 2025 also includes a new chapter on climate changes and effect on fish health.
Fish Health Report 2025
The Norwegian Fish Health Report provides a yearly overview of the most important health challenges in the Norwegian aquaculture industry.
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