date:May 14, 2014
keeping the fish in freshwater longer. It is normal in todays aquaculture industry that salmon smoltify and are transferred to seawater before they reach a weight of 100 gram.
Two groups of fish
The timing of salmon smoltification is controlled by light, and this fact was used to create one group of salmon destined to smoltify early (at weight 85 gram) and another group destined to smoltify late (at weight 400 gram). After the salmon that weighed 85 gram had been transferred to seawater, all