FIELD: fishery, in particular, process for obtaining of fish larvae and spawn, may be also used for obtaining of amphibian larvae and spawn.
SUBSTANCE: method involves exposing spawn to physical action, i.e., processing infertile or fertile spawn in supersonic field having energy density of 0.1-2.0 W·m-6 at exposure time of 5-30 s in water or aqueous solution of biologically active substances having concentration of 0.1-150 mg/l.
EFFECT: increased number of pip larvae, increased activity, intensified growth and development of young fish.
8 tbl, 8 ex
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