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Harvesting and temporary cultivation method of golden cuttlefish in a mixed culture pond of thieves and shrimps

A golden squid and polyculture technology is applied to the field of harvesting and temporary breeding of golden squid in a pond for fish and shrimp polyculture. Avoid the effects of anesthesia

Active Publication Date: 2020-01-14
JIANGSU MARINE RESOURCES DEV RES INST LIAN YUNGANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the currently adopted golden squid harvesting method, the golden squid is seriously injured, and the impact of inkjet is added, and the mortality rate is as high as 80%, which directly affects the economic benefits of breeding.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1, a kind of harvesting and temporary cultivation method of golden cuttlefish in the shrimp mixed culture pond, its steps are as follows:

[0021] (1) Select the ordinary ground cages for catching prawns and the graded fishing cages for shrimp and crab polyculture ponds; first use the graded fishing cages to catch prawns, and then use ordinary cages to catch squid;

[0022] (2) After the cuttlefish are caught, transport them with oxygenation and water; prepare a rectangular buffer pool with a depth of 0.5 m and a rectangular holding pond with a depth of 2 m; adapt the squid transported with water to the buffer pool for 2 hours, and then bring water Transfer to the holding pool for holding;

[0023] (3) Cover the temporary breeding pool with a shading cloth, the area of ​​which is 2 / 3 of the pool mouth; add sand to filter the seawater, and maintain the water depth at 1.5 m; After 2 weeks, switch to feeding fresh white prawns, and after 2 weeks, switch to feed...

Embodiment 2

[0025] Embodiment 2, a kind of harvesting and temporary cultivation method of golden cuttlefish in the prawn mixed culture pond, its steps are as follows:

[0026] (1) Select the ordinary ground cages for catching prawns and the graded fishing cages for shrimp and crab polyculture ponds; first use the graded fishing cages to catch prawns, and then use ordinary cages to catch squid;

[0027] (2) After the cuttlefish are caught, they are transported with oxygenated water; prepare a rectangular buffer pool with a depth of 0.8 m and a rectangular holding pool with a depth of 3 m; adapt the squid transported with water to the buffer pool for 3 hours, and then bring water Transfer to the holding pool for holding;

[0028] (3) Cover the temporary breeding pool with a shading cloth, the area of ​​which is 5 / 6 of the pool mouth; add sand to filter the seawater, and maintain the water depth at 2.5 m; After 2 weeks, switch to feeding fresh white prawns, and after 2 weeks, switch to feed...

Embodiment 3

[0030] Embodiment 3, a kind of harvesting and temporary culture method of golden cuttlefish in the shrimp mixed culture pond, its steps are as follows:

[0031] (1) Select the ordinary ground cages for catching prawns and the graded fishing cages for shrimp and crab polyculture ponds; first use the graded fishing cages to catch prawns, and then use ordinary cages to catch squid;

[0032] (2) After the cuttlefish are caught, they are transported with oxygenated water; a rectangular 0.6 m deep buffer pool and a rectangular 2.4 m deep holding pool are prepared; the squid transported with water are first adapted to the buffer pool for 2 hours, and then brought The water is transferred to the holding pool for holding;

[0033] (3) Cover a shading cloth on the temporary rearing pond during the temporary cultivation, with an area of ​​3 / 4 of the pond mouth; add sand to filter the seawater, and maintain the water depth at 1.8 m; feed fresh and live small crabs in the first week of tem...

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PUM

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Abstract

The invention provides a method for harvesting and temporarily culturing sepia esculenta in a cuttlefish-shrimp polyculture pond. The method comprises steps: selecting a common ground cage for capturing prawns and a grading catching ground cage used for a prawn-crab polyculture pond; using the grading catching ground cage to catch prawns, and then using the common ground cage to capture cuttlefishes; after the cuttlefishes are caught, oxygenating and transporting the cuttlefishes with water; preparing a buffer pond and a temporary culturing pond; putting the cuttlefishes transported with water in the buffer pond to adapt for 2-3 hours, and transferring the cuttlefishes with water to the temporary culturing pond to temporarily culture; in temporary culturing, covering a blackout cloth on the temporary culturing pond, in the first week of temporary culturing, feeding fresh and alive crablats, in the second week, feeding fresh and alive palaemon carinicauda, after two weeks, feeding iced fresh small trashes; after 20-30 days of temporary culturing, using the sepia esculenta for live selling. The survival rate of the sepia esculenta after temporary culturing can reach higher than 90%. The method completely realizes live selling of the sepia esculenta, and improves economic benefits of the sepia esculenta cultivation.

Description

technical field [0001] The invention relates to a method for harvesting golden squid, in particular to a method for harvesting and temporarily cultivating golden squid in a mixed culture pond of prawns. Background technique [0002] In the prior art, the golden squid is suitable for the mixed culture of thieves and shrimps, but the body of the golden squid is soft, and the forehead sword of the prawns is easy to stab the golden squid when it is harvested; moreover, when the golden squid is harvested, it will spray a large amount of ink, which will not only anesthetize itself, but also The body will become weak, which greatly affects the sales of live golden squid. If measures can be taken to ensure the listing of live products, the market and price will be very impressive. However, in the method of harvesting the golden squid currently adopted, the golden squid is seriously injured, and the impact of inkjet is added, and the mortality rate is as high as 80%, which directly ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00A01K61/59
CPCA01K61/00Y02A40/81
Inventor 王兴强曹梅陈百尧
Owner JIANGSU MARINE RESOURCES DEV RES INST LIAN YUNGANG
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