| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention is aimed at increased survival rate of larvae and reduced labour intensity of works for growing fish. Device for growing fish consists of pond, pipe for water drain from pond, water line for supply of water into pond and filter. Device is provided with lantern having rigid frame, water drain nozzle and flexible hose, one end of which is connected to nozzle of lantern, and the second one - to nozzle of pipe for water drain. Filter is placed onto rigid frame of lantern to form side walls, bottom, and includes hole for lantern nozzle, which is arranged in lower part of lantern, and length of flexible hose is arranged as equal to 1.2-1.5 of maximum depth of water in pond. Filter may be made of mill screen or in the form of metal wire lattices, at the same time opening for nozzle of lantern will be located on side wall of lattice. ^ EFFECT: increased survival rate of larvae and reduced labour intensity of works for growing fish. ^ 3 cl, 2 dwg |
