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1. Farm-Raised Salmon. Some farm-raised salmon may contain more parasites than its wild-caught counterpart due to the densely populated conditions of fish farms, which can foster a breeding ground ...
The company sold its nearby fish farm to a local businessman for £1 in July 2008, who has since been permitted to commence repair work on the weir. [82] Mowi's operations have been severely affected in the south of Chile, where millions of fish have died by the disease infectious salmon anemia.
Wild salmon is more nutritionally dense than farm-raised salmon and can contain up to three times less fat, fewer calories, and more vitamins and minerals like iron, potassium, and b-12.
The authors conclude that the 2002 stock collapse was not caused by the farm sea lice population: although the farm sea lice population during the out-migration of juvenile pink salmon was greater in 2000 than that of 2001, there was a record salmon returning to spawn in 2001 (from the juveniles in 2000) compared with a 97% collapse in 2002 ...
The amount of organic waste produced by fish farms is also alarming. A salmon farm in Scotland, for instance, is estimated to produce as much organic waste as equivalent to a town of people between 10,000 and 20,000 people each year. [29] Today 50% of the world's seafood is farm-raised. [30]
To produce one kilograms of farmed salmon, products from several kilograms of wild fish are fed to them – this can be described as the "fish-in-fish-out" (FIFO) ratio. In 1995, salmon had a FIFO ratio of 7.5 (meaning 7.5 kilograms of wild fish feed were required to produce one kilogram of salmon); by 2006 the ratio had fallen to 4.9. [ 103 ]
Cermaq is a company which farms salmon and trout in Norway, Canada, Chile and Scotland. In 2017 the farming business had sales of around USD 1,1 billion, and a total sales volume of 157,800 tonnes. Cermaq is a fully owned subsidiary of Mitsubishi Corporation. [2] The company has its headquarters in Oslo, Norway.
The industry suffered during the Great Recession, which coincided with a sudden appearance and outbreak of infectious salmon anemia in 2007. [7] Atlantic salmon production in Chile has fallen from 400,000 to 100,000 tonnes from 2005 to 2010. [8] By 2009, a salmon executive expected production to go back to the 2007 levels within four years. [2]