Farmed salmon may not be as nutritious as it once was, new research suggests

New research led by USDA scientists indicates that the nutritional profile of farmed salmon has significantly declined over time. As global demand for salmon has surged, the industry has increasingly relied on large-scale farming, with nearly 70 percent of consumed salmon now raised in pens and cages. While health organizations like the USDA and the American Heart Association have long recommended salmon for its high content of heart-healthy Omega-3 fatty acids, this study suggests that current levels of these essential nutrients in farmed fish have dropped considerably. The findings raise concerns that existing dietary guidelines may be based on outdated data, potentially rendering current health recommendations insufficient for consumers seeking the specific nutritional benefits traditionally associated with salmon consumption. The research highlights the need for a re-evaluation of how farmed fish quality is monitored and how dietary advice is communicated to the public.