Details of artificial reproduction of Atlantic salmon (Semga) at the Umba fish hatchery

The world's demand for fish products food and industrial purposes has already significantly exceeded the reproduction capacity of wild fish. Further increasing exploitation natural populations leads to a sharp reduction in their numbers degradation population biodiversity. only way solve problem is develop artificial This applies primarily salmon, which are most valuable popular types In Murmansk region, there three hatcheries that carry out Atlantic salmon. Factory at Umba Fish Hatchery (URZ) currently an important necessary process, since plant hatchery reproductive Tersk district. article reveals peculiarities salmon (salmon) URZ. A brief description River given. main fish-breeding activities covered: catching keeping producers, collection sexual fertilization, incubation eggs, larvae transfer external nutrition, factory tagging juveniles, release juveniles its tributaries. peculiarity contrast other two Kola Peninsula shown. question necessity existence prospects development highlighted. reasons decline number listed. Recommendations restoring abundance preserving intraspecific biodiversity provided.