Is farmed fish as healthy as wild fish?

The question of whether farmed fish is as healthy as wild fish is complex and depends on several factors, such as the type of fish, the conditions in which the farmed fish is raised, and the fish's diet.

Wild fish are known for their high levels of omega-3 fatty acids, which are beneficial for heart health. Farmed fish can also be rich in omega-3 fatty acids, but this depends largely on the diet of the farmed fish. Farmed fish are often fed fishmeal and fish oil, which can increase their omega-3 levels. However, some farmed fish are fed plant-based feed, which is cheaper, and this can lead to lower omega-3 levels. Both wild and farmed fish are excellent sources of protein. Protein levels are generally similar between farmed and wild fish.

Wild fish can contain higher levels of certain contaminants, such as dioxins and polychlorinated biphenyls (PCBs), depending on where the fish is caught. Farmed fish can also contain contaminants, but this depends on the water quality in the farmed environments and the type of feed used.

Some farmed fish use antibiotics and other chemicals to prevent disease. There is concern that this can lead to residues in the fish and contribute to antibiotic resistance. However, regulations in many countries strictly control the use of such substances.

Source: https://nutritionsource.hsph.harvard.edu/fish/

Author: Prof. Dr. Dirk Devroey - Latest update: 2024-08-13 - Copyright: Clinifacts 2024