Water pollution on salmon

The days when small boats went fishing, are long gone. Today, fishing is done with kilometers-long nets. As the number of salmon is decreasing every day because of the intensive fishing, in recent years the attention has returned to salmon fishing farms. Due to water pollution on salmon and other species of fish, this remains one of the only available methods for assuring the salmon requirements on the market.

Water pollution on salmon is a real problem. For example a variety of chemicals, including antibiotics, pesticides and fungicides are used in farms in which salmon are raised. These salmons are vaccinated against diseases, making them strong enough to live together with a bunch of other fish. As antibiotics and other medicines or chemicals are poured directly into the water together with the food, the pollution of the water and the effects on wild salmon are inevitable, when this polluted water reaches the ecosystem.

The wild salmon usually travels thousands of kilometers in their lifetime. The life in cages in a salmon farm is unnatural for them and their meat is no longer pinkish. To solve this problem they are usually fed with food that contains artificial colorants! The diseases of the salmon in the farms are inevitably transmitted to their cousins in the wild, thus resulting aggressive water pollution on salmon population in the wild.

The food from the salmon in the farms is taken from the sea. For each kilo of raised salmon, 2 kilos of wild fish are taken from the sea as food. The same thing applies to other popular marine life like crab or shrimp.