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Fisheries Ecology and Aquaculture

Øystein Tyse Nygård

I am looking at otoliths from farmed salmon and examining what is called vateritic deformities

My name is Øystein. I am 24 years old and live on the island of Sotra to the west of Bergen. I am a master’s student in Aquaculture. For my master thesis I am looking at otoliths from farmed salmon and examining what is called vateritic deformities. These deformities have a greater abundance in farmed fish than in their wild counterparts, and I want to find out what the reason for this is. I will try to find the cause of the deformities by determining when it begins and comparing it to the fish’s life history. My supervisor is Prof. Audrey Geffen.