Artificial reproduction is one of the components of the conservation of species diversity and abundance of aquatic biological resources. Of particular importance is the fact that grown for release into water bodies valuable fish species.
In hatcheries FGBU "Sevrybvod" under the state order is grown in the winter-spring period in 2012 released into the rivers of the Arkhangelsk region of juvenile salmonid fishes:
— Atlantic salmon (salmon) — 204,000 copies;
— trout — almost 22,000 copies.