study exposes possible reason for drop out fish in aquaculture salmon farms /

(Phys.org)—A team of researchers from Norway,Denmark and the Netherlands has found evidence that might justify "drop out" fish in salmon and other fish farms. In their paper published in the journal Royal Society Open Science, the team describes their studies of salmon brain chemistry of specimens taken from fish farms and what their findings might mean for improving fishery results.

Source: phys.org