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Turbot cultivation method

A breeding method and technology of turbot, which is applied in the field of fish farming and turbot breeding, can solve the problems of low survival rate of turbot, achieve quick results, easy control, and improve the survival rate

Inactive Publication Date: 2014-05-07
陈丹
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to: provide a kind of cultivation method of turbot that can effectively improve survival rate, solve the problem that current turbot survival rate is low, thereby can effectively solve the problem existing in above-mentioned prior art

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0030] Prepare before releasing the seedlings, carry out dry pond dredging on the breeding pond in turn, loosen the bottom of the pond, weather and expose to the sun for 15 days, then enter the water 35 cm, and disinfect it with bleaching powder; The particle size is 0.20 mm and the thickness is about 60 cm;

[0031] Selection of seedlings: select seedlings with a length of 7-10cm, and bathe them with disinfectant;

[0032] Stocking density: pond culture, stocking 700-750 fish per mu; the stocking density of fry should be appropriate, if the stocking density is too high, the amount of feeding and fish excrement will increase, the dissolved oxygen will decrease, and the water quality will deteriorate.

[0033] Adult fish farming: feed three times a day, the protein content in the feed is 55-58%, the fat content is 11-12%, and the energy to protein ratio is 72-76%; the bait for nursery must be washed with fresh seawater before feeding , when there are miscellaneous bacteria, it...

Embodiment 2

[0039] Selection of seedlings: select seedlings with a length of 8-10cm, and bathe them with disinfectant;

[0040] Stocking density: industrial greenhouse farming, stocking 25 fish per square meter; the breeding area has no pollution source, no mud, less sand content, clear water quality, in line with the national fishery secondary water quality standard, well water quality is good, does not contain any sediment and dirt, the water quality is transparent and clear, does not contain harmful heavy metal ions, sulfide does not exceed 0.02 mg / L, and the total number of E. coli is less than 5000 / L.

[0041] Adult fish farming: feed three times a day, the protein content in the feed is 56%, the fat content is 9%, and the energy to protein ratio is 75%;

[0042] Breeding water: The available chlorine content in the pool water is 15ppm-20ppm, the sulfide is less than or equal to 0.02 mg / L, the total number of E. coli is less than 5000 / L, the salinity is 25-35, and the COD content is ...

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Abstract

The invention discloses a turbot cultivation method. The turbot cultivation method comprises the steps of making preparations prior to fry release, sequentially drying a culture pond and clearing dredging, loosening the pond bottom, performing weathering and exposure for 10-15 days, releasing water of 30-50cm high, and utilizing bleaching powder to perform disinfection treatment; selecting fries, selecting the fries which are 7-10cm long, and utilizing disinfect medicines to perform medicated bath; enabling the cultivation density to be 600-800 per 0.16 acre in pond cultivation; performing adult fish cultivation, feeding feed three times per day, enabling the content of protein in the feed to be 48-58%, enabling the fat content to be 8-12%, and enabling the energy and protein ratio to be 66-76%; enabling the content of available chlorine in cultivation pond water to be 15ppm-20ppm, enabling sulfide to be smaller than or equal to 0.02mg / L, enabling the total escherichia coli number to be smaller than 5000 / L, enabling the salinity to be 25-35, and enabling the COD content to be 3mg / L. The turbot survival rate can be improved through the turbot cultivation method, and the whole cultivation method is simple and easy to master, takes effect quickly and is suitable for large-area cultivation popularization.

Description

technical field [0001] The invention relates to a method for cultivating fish, in particular to a method for cultivating turbot, and belongs to the technical field of aquaculture. [0002] Background technique [0003] Turbot, also known as southern flounder, Atlantic desert flounder, and American desert flounder, belongs to Teleost, Pleuriformes, Plaice suborder, Flounderidae, Flounder subfamily, Flounder genus, and belongs to deep sea bottom fish It is the largest species of flounder and flounder in the Americas. It is naturally distributed from North Carolina to the southern Gulf of Florida in the United States, and it is also distributed along the southern channel of Texas. Turbot is a euryhaline fish and can usually survive in both seawater and freshwater. In natural sea areas, adult fish can grow up to 75 cm, and female fish grow faster than male fish. When second-year-old fish reach sexual maturity, male fish can reach 20 cm to 25.5 cm in length, and female fish can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 陈丹
Owner 陈丹
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