Over one in ten of Scotland’s fish farms have been rated as “unsatisfactory" by the Scottish Government’s environmental watchdog.
Animal welfare campaigners have accused the RSPCA Assured food label scheme of “protecting the interests of salmon farmers and retailers”.
The Scottish Government has launched an investigation after receiving complaints from environmental conservationists over the use of “seal scarers” by a company which has fish farms in Argyll and Bute.
The Scottish Government is paving the way for the multinational salmon farming industry to start using a toxic pesticide blamed for killing bees.
A £10,000 reward has been offered for information on the illegal shooting of seals after it emerged Police Scotland and the National Wildlife Crime Unit were passed intelligence reports over killings near Scottish salmon farms.
Salmon suffering at Scottish fish farms is “endemic” and in breach of animal cruelty law, according to an undercover investigation by animal welfare campaigners.
Nearly half of Scotland's salmon farms burn, dump or destroy millions of dead fish every year.
Fish farmers in Scotland are permitted to use 16 "toxic" chemicals to kill parasites and fungi, control infections and anaesthetise fish.
Six fish farming companies in Scotland given government handouts of over £10 million have made profits of £926 million since 2010.