However, it is impossible to get a firm number, as there are no official statistics, Vassdal said, speaking in Norway on Nov. 27.
Kurt Oddekalv, president of the conservation organization Green Warriors of Norway said on Monday that his sources in Chile estimate antibiotics usage there to be 161 tons.
The Chilean fisheries ministry recently said it is compliing an overview of the process.
Vassdal compared Chile’s alleged 600 tons distributed among 600,000 tons of salmonids with Norway’s 1.5 tons on around 680,000 tons of salmonids for the year 2006.
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