METHOD creating an artificial field-uterine POPULATION Pacific salmon

摘要

FIELD: agriculture.;SUBSTANCE: method comprises spawner catching, their keeping to maturation, spawner killing, milt and caviar collection. They perform caviar fertilisation, its transportation from a water pond to salmon fish breeding plant, caviar incubation, laying eggs and alevin maturing. Starting young fish breeding is carried out at the salmon fish breeding plant. After that they perform transportation of this young fish to the pond, adaptation and young fish breeding in stocking ponds, let it off for feeding period into the sea. The production of the artificial fishery stocking population of Pacific salmons is carried out in the small pond, where there are not hydrological conditions for natural spawning of salmons, gradually. At the first stage young fish, received from spawners at the salmon fish breeding plant, taken from the nearest river-donor, is put into the pond. At the second and subsequent stages young fish, received from spawners at the salmon fish breeding plant, taken only from the used small pond, is put into the river. Intense fresh-water and sea young fish breeding is carried out for feeding period before letting it off into the sea. After imago return from the sea into the small pond they are completely taken out for fish cultural purposes and industrial processing.;EFFECT: this process enables to create the system of stocking fish culture in small rivers, unsuitable for natural fish spawning, to exclude incubatory material deficit for salmon fish breeding plant, to provide self regeneration, to exclude interpopulation cross breeding of salmons and natural spawning of migrators, to increase extent of production of salmons.;3 dwg, 1 ex