DEVICE FOR SALMON FISH ARTIFICIAL REPRODUCTION IN NATURAL CONDITIONS OF RIVER FLOW Russian patent published in 2018 - IPC A01K61/00 

FIELD: fishing and fish farming.

SUBSTANCE: device includes a nest-incubator consisting of a body with an incubation permeable substrate, formed in the form of a wavy net-like shape with the formation of trays and a filtering water discharge mounted in front of the body. Nest-incubator body is buried in such a way that the upper part of the vertical walls is located at the level of the base of the filtering water discharge. Front and rear walls of the body are made perforated, and the side walls are solid. From below of the side and rear vertical walls an apron is fixed, forming an external angle to them from 45 to 50°. Incubation permeable substrate trays are oriented perpendicular to the flow and are made of a water-permeable covering flexible material located on the rods resting against the side walls of the body. Above the incubation permeable substrate a covering layer is located.

EFFECT: invention provides an increase in the yield of the salmon species viable larvae.

11 cl, 1 dwg