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A kind of indoor cement pond cultivation method of artificially bred brown calamari fish species

A technology of artificial breeding and breeding method, which is applied in the field of indoor cement pond breeding, can solve the problem that there is no brown scorpionfish, etc., and achieve the effects of easy observation and inspection, increased controllability, and improved breeding management level.

Active Publication Date: 2020-04-03
SHANGHAI FISHERIES RES INST
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Problems solved by technology

At present, the artificial breeding of brown calamari is mainly cage culture, and the seedlings are mainly obtained from net cage trapping, fishing or cage capture in natural sea areas. There are no reports on indoor cement pond cultivation of brown calamari, especially the use of artificial breeding. The brown calamari seedlings were cultured

Method used

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Embodiment Construction

[0006] The specific embodiment of the present invention is made up of the salinity of juvenile fish, bait domestication, the cultivation of one-year-old fish fingerlings, overwintering cultivation and two-year-old fish fingerlings cultivation, and is specifically carried out in the following steps:

[0007] The salinity and bait domestication of juvenile fish: From May to June, the size of the artificially bred scorpionfish juveniles reaches 2-4cm, and the indoor cement pool of 20-30m is used 2 , stocking density 200-300 tails / m 2 , air stone 0.5-1 piece / m 2 , under the condition of normal food intake and activities, start to acclimate the salinity and bait, add natural estuary water with a salinity of 11-15‰ every day to gradually reduce the salinity, and the salinity reduction rate is 2‰ / day, and finally the salinity of the breeding water Maintain at 11-15‰, salinity acclimatization is generally completed in 3-5 days, after that, change the sea water every 2 days, the water...

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Abstract

Provided is an indoor cement pond culturing method of artificially bred sebastiscus marmoratus fingerling. The method is characterized in that in May to June every year, the specification of artificially bred sebastiscus marmoratus juvenile fishes reaches 2 cm to 4 cm, domestication of salinity and bait is carried out, the salt reducing speed is 2% / d, the final breeding salinity is kept at 11% to 15%, domestication bait of the juvenile fishes is sea eel feed, and more than 90% of the juvenile fishes take mixed feed; when the feed scrambling phenomenon occurs, one-age fingerling is cultured and cultured to November to December, and when the water temperature is below 15 DEG C, sebastiscus marmoratus is transferred into an indoor cement pond for overwintering culture; the water temperature of culture water is raised to 15 DEG C or above in next spring, the sebastiscus marmoratus overwintering fingerling gets into a two-age fingerling culture stage, and the fingerling is cultured till overwintering. The survival rate of the sebastiscus marmoratus can reach 72% to 82%, the overwintering survival rate is 90% or above, operation is easy and convenient, and popularization is easy.

Description

technical field [0001] The invention relates to the cultivation of brown calamari, in particular to the indoor cement pond cultivation technology of artificially bred brown calamari fish species. Background technique [0002] Brown calamari (Sebastiscus marmoratus) belongs to Scorpioformes, Scorpio suborder, Scorpionidae, Calamus genus, is a warm-temperate bottom fish, lives in offshore rocky reefs, is viviparous, ferocious, tender and delicious, and has a high economic value. At present, the artificial breeding of brown calamari is mainly cage culture, and the seedlings are mainly obtained from net cage trapping, fishing or cage capture in natural sea areas. There are no reports on indoor cement pond cultivation of brown calamari, especially the use of artificial breeding. The brown calamari seedlings were cultured artificially. Contents of the invention [0003] The invention provides an indoor cement pond culture method for artificially bred brown calamari fish specie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/10
CPCA01K61/00Y02A40/81
Inventor 刘永士谢永德严银龙张海明施永海徐嘉波
Owner SHANGHAI FISHERIES RES INST
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