SPAWNING DEVICE

FIELD: fish culture.

SUBSTANCE: invention relates to reproduction of fish in the Far Eastern complexes. Proposed device contains cylindrical reservoir with cone-shape bottom with drain hole in center and water nozzles built in middle part of side wall over perimeter to provide circular flow of water, container with gauge spawn trap connected with drain hole of reservoir by discharge pipeline, and spawn collectors. Device is furnished with chamber for stripped fish mated with reservoir through opening screen shutter and provided with inclined screen bottom under which branch pipe to return water from chamber into reservoir is mounted. Reservoir is furnished with perforated water drain pipe vertically fitted in drain hole and removable appliance for concentrating spawners and their displacement into stripped fish chamber. Said appliance is made in form of net wings movably secured on perforated water drain pipe. Container with spawn trap is provided with additional section with adjustable water level for distribution of spawn in spawn collectors.

EFFECT: no damage to mature spawners, increased output of fry, reduced consumption of water and labor input. 7 cl, 2 dwg

Krivtsov V.F.

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