PRAWN REARING METHOD

FIELD: commercial rearing of gigantic sweat-water prawns. SUBSTANCE: method involves growing young fishes in nursery ponds with density of 800-1000 species per 1 sq.m for 1-1.5 months. Rearing of young fishes is conducted in water medium having following parameters: temperature 28-31 C; salinity 10-...

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Bibliographische Detailangaben
Hauptverfasser:	SMIRNOV BORIS P, USENKO YURIJ M, STEPANOV DMITRIJ N, POMOGAEV IGOR N
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CARE OF BIRDS, FISHES, INSECTS FISHING FORESTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HUMAN NECESSITIES HUNTING NEW BREEDS OF ANIMALS REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRAPPING
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Beschreibung
Zusammenfassung:	FIELD: commercial rearing of gigantic sweat-water prawns. SUBSTANCE: method involves growing young fishes in nursery ponds with density of 800-1000 species per 1 sq.m for 1-1.5 months. Rearing of young fishes is conducted in water medium having following parameters: temperature 28-31 C; salinity 10-15%; pH 7-8.5; maximum nitrate content 20 ppm; maximum nitrite content 0.1 ppm; maximum water hardness 100 ppm. Commercial rearing is conducted in water medium having following parameters: temperature 28-31 C; solved oxygen content 6-8 ppm; pH 7.0-8.5; total water hardness 20-200 ppm. EFFECT: increased efficiency in commercial rearing of prawns and simplified method.