A gene with a major role in resistance to Infectious Pancreatic Necrosis Virus (IPNV) that can cause high mortality levels in farmed salmon and trout has been identified in a study by a team of scientists.

Fish farmers should consider the potential consequences for species such as harbour porpoises if they intend to reintroduce a new generation of acoustic deterrent devices (ADDs) to scare off seals, scientists say.