FIELD: fishing and fish breeding.
SUBSTANCE: device includes a frame in which a container of a waterproof material is installed, inside which there is at least one fish cage made of mesh material with a mesh size smaller than the diameter of roe. Upper edge of the cage is fixed to the frame. Bottom and walls of the cage are located with a gap from the container. At bottom of the cage there is a spacer frame corresponding to the perimeter of the bottom of the cage. Cage is equipped with a water supply means and in the lower part provided with a drain pipe fulfilled to adjust the inclination angle.
EFFECT: device provides a constant change of water when the roe swells.
4 cl, 1 dwg
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Authors
Dates
2018-05-03—Published
2017-08-28—Filed