Kilotonnes of dead salmon spark call for farm scrutiny

An unpredecented mass mortality involved almost 10,000 tonnes of farmed salmon over two months. (HANDOUT/BOB BROWN FOUNDATION)

Almost 10,000 tonnes of farmed salmon died across two months during an unprecedented mass mortality, prompting a renewed call for further scrutiny.

Tasmania's salmon industry apologised in March after a spike in deaths at pens in the state's south due to a bacterial outbreak and fish matter washed up on beaches.