The Scottish Environment Protection Agency secretly ditched a plan to ban a toxic pesticide after pressure from the fish farming industry.
Lucrative plans for the world’s biggest salmon farm around Orkney or Shetland would “abjectly” fail pollution limits and make “fools” of Scotland’s environmental watchdog.
Plans to scrap limits on the amount of salmon kept at fish farms would increase disease and worsen pollution, campaign groups are warning.
A major fish farming company has killed more than 175,000 of its caged salmon in Scotland while trying to treat them.
Scotland’s salmon farming industry will lose its biggest £200 million export market to the US if it persists in shooting seals.