Wild vs Farmed Salmon

The wild vs farmed salmon issue is important for a few reasons outlined below.

If purchasing the entire fish, there are subtle differences that the experts can spot. No pun intended… but farmed salmon have large black spots on their gill covers while wild salmon do not.

To differentiate between farmed vs wild salmon that has been filleted and sitting at the market can be tricky. Price generally gives a clue, as wild salmon is more expensive but your best bet is to ask.

Wild VS Farmed - The Differences

Food Waste

Wild Salmon – are, of course, born free. They are also called “Pacific Salmon”. Wild salmon grow up in relatively clean waters and dine on the healthier and more well rounded diet that was available in their natural environment. Specifically, wild-caught Alaskan Salmon are the best and wisest pick when purchasing salmon. This is because salmon love cold, fresh water so they spawn and thrive well in Alaska.

Farmed Salmon – are typically raised in cement ponds yet called “Atlantic Salmon”, to further confuse things. In order to reduce the spread of disease in these tight quarters, farmed salmon are pumped with antibiotics. Their feed consists of fish meal which usually contains polychlorinated biphenyls (PCBs) and other carcinogens. Another problem is that they then excrete these things into the water, which often escapes their fenced off area and affects the ecosystem. Farmed salmon can sometimes escape and are then considered an invasive species in the open waters.

Why Care?

Why should you care if your salmon is wild or farmed? While the wild vs farmed issue exists for many other varieties of fish which are also farmed, what sets salmon further apart is its pinkish color. Wild Alaskan salmon are pinkish in color because of their diet of plankton and krill which contains astaxanthin, a natural antioxidant. Farmed salmon would be gray in color, deemed unacceptable to consumers, so they are fed a synthetic astaxanthin in order to color their flesh. This synthetic makes farmed fish at least 10 times more potent with PCB’s than natural fish. Many experts feel that farmed salmon should be banned, and most feel that they should at least be avoided.

Farmed salmon are not the only consumer product with confusing product labeling, it’s actually a pretty common practice.

To find out how long salmon lasts, check our salmon page.

To find out how long other foods are good for, please visit the Dairy, Drinks, Fruits, Grains, Proteins, Vegetables and Other sections of Eat By Date or use the search function below.

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