date:Jul 25, 2012
lts were not yet available.
Salmon farming had advanced since toxic algae killed many fish at Big Glory Bay in Stewart Island in 1989, Mr Rosewarne said.
That makes the Waihinau experience most unusual.
Mr Boulton said it was realistic to expect disease in New Zealand farmed salmon.
Stepping up production levels increased the risk of disease, which was why King Salmon wanted more sites to spread this risk, he said. His group claims concentrated feeding at more fish farms would add nitrogen a