Farmed salmon has been the focus of attention for reasons of human health and the environment. The disease, destruction of wild salmon stocks and degradation of the marine environment some of the reasons why you should avoid purchasing and consumption of farmed salmon.
Pollution, pollution and disease
Farm-raised salmon can be contaminated with dangerously high levels of PCBs. This is because: a) the fish feed fish may be contaminated, and b) farmed salmon tend to be higher in fat than wild salmon and PCBs accumulate in fatty tissue. A report published in 2004 by the journal Science warned that farmed salmon contains 10 times more toxins (PCBs, dioxins, etc.) than the wild variety and recommended for be used more than once a month, since it raises the risk of cancer.
salmon farms are dangerous because they can be released from fish waste and chemicals in the surrounding waters. This can create problems for many species of fish and marine life in the affected areas.
Sea lice are small parasitic commonly associated with marine salmon. Net open farms facilitate the spread of lice in wild salmon stocks.
Overcrowding agricultural lead to deadly diseases such as furunculosis and infectious salmon anemia. In Chile, the salmon industry has been in crisis since 2007 as Due to outbreaks of infectious salmon anemia (ISA).
Invasive species
Farmed salmon can also escape the competition with wild salmon, which reduced the native gene pool. Cross between wild fish and farmed salmon can weaken native and reduce long-term ability to survive.
While fish is generally healthy and robust, many wild salmon populations are endangered extinction. In many parts of the world, wild salmon face many obstacles in their life cycle – such as the disappearance of their habitat, the operations extraction, water diversion and water pollution. Add to this an introduction of alien species and wild salmon are in trouble.
Do not want to farmed salmon
In Canada, most salmon farms are located in British Columbia. In There is currently a class action in the courts of British Columbia First Nations (Native Canadians) against the British Columbia government for not protect wild salmon by allowing 29 fish farms to operate in the area.
A 2008 research data with government officials from Canada, Scotland, and Ireland are in serious decline of the species during the 1980's in areas of the North Atlantic and the Pacific Northwest, where salmon farms have increased during the same period.
Good salmon
The Alaska salmon fishery – where there are no salmon farms – Qualifies as "sustainable." Most fishing guides sustainable Alaska salmon rate in the green or good for food category. sustainability guidelines are also other options. The MSC Guide in the UK advises against all Atlantic salmon and Canadian SeaChoice guidance recommends seasonal availability check of BC wild salmon.
There is also the problem with farmed salmon that is passed in so wild. labeling laws for food vary depending on where you buy the fish. To decrease the probability of being cheated, buy seafood from reputable sources (who will suffer the consequences of treating dishonest) and ask the important questions. We do not want our love salmon fuel their decline.
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