Lethal sea lice spread from farmed to fresh salmon supplies

Published April 5, 2005: According to researchers they have conclusively proven the long standing belief that farmed salmon spread sea lice. The researchers watched as fresh juvenile salmon swam passed a farming operation in British Columbia. Before the migration the juvenile fish were mostly lice-free, with only 4 to 25 percent infected and of the infected most showed only one louse. After passing the farm the infection rate was 100 percent with roughly 10 to 25 of the flesh-eating parasites per fish. The full report will be published in the journal of the Royal Society in the U.K. Read more at:

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