"Hundreds of millions of farmed salmon have perished in mass die-offs over the past decade, say researchers.

The scientists say that large-scale mortalities are now happening more frequently and at a larger scale than ever before.

They argue that warmer seas and greater reliance on technology are contributing to the rise in deaths.

This global assessment looked at salmon deaths in some leading producers, including Norway, the UK and Canada."

Matt McGrath reports for BBC News March 7, 2024. [2]