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Method for breading jelly fish fries

A jellyfish and stinging technology, applied in fish farming, application, climate change adaptation, etc., can solve the problems of low survival rate of breeding, achieve the effect of improving survival rate, improving quality, and prolonging the breeding time

Inactive Publication Date: 2011-06-22
营口市实发参贝养殖繁育有限公司
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AI Technical Summary

Problems solved by technology

The existing method of breeding jellyfish seedlings has a low survival rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0012] Embodiment A kind of jellyfish breeding method

[0013] (1) Broodstock collection and intensive cultivation: select jellyfish with large individuals, strong mobility, no trauma, no disease, and umbrella diameters of 30cm to 55cm as broodfish. The breeding density of broodfish is 1 / cubic meter, and the water is changed 2 times a day. Once, change the water volume by 30% to 50%, and the water temperature is 25°C to 26°C. Feed diatoms, protozoa, crustaceans, polychaetes, shellfish larvae, and eggs of fish, shrimp, crab, and shellfish for intensive cultivation;

[0014] (2) Indoor polyp larvae cultivation: 10 to 15 hours after the fertilized eggs metamorphose into floating larvae, the seedling picker is put into the seedling picker. Artemia and rotifers are crushed and mixed with photosynthetic bacteria and yeast as bait, fed once every 1 to 2 days, using deep well water to control the temperature at 22°C to 24°C, and control the light intensity to no more than 500lx. The...

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PUM

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Abstract

The invention relates to a method for breeding jelly fish fries. The technical scheme comprises the following steps of: performing strengthened breeding on parents; breeding indoor scyphula by controlling the temperature to be between 22 and 24 DEG C by using deep well water and controlling the illumination intensity to be less than 500 lx and the breeding density to be between 9,000 and 11,000 pieces / m<2>; performing indoor sub-ice overwintering by controlling overwintering water temperature to be between 0 and 10 DEG C, feeding the fries with baits which are prepared by crushing and processing artemia and rotifer and mixing the powder with photosynthetic bacteria and yeast, wherein dissolved oxygen in water is more than 5 milligram / L; breeding young jelly fish by feeding twice a day, feeding the young jelly fish with baits which are prepared by crushing and processing the artemia and the rotifer and mixing the powder with the photosynthetic bacteria and the yeast, changing water twice a day, and controlling the fry breading water temperature to be between 22 and 24 DEG C; and arranging a plurality of aeration points, aerating by using an air pump, and covering air stones with a 200-mesh bolting silk net for uniformly aeration. By the method, the breeding survival rate of the jelly fish fries is over 80 percent.

Description

technical field [0001] The invention belongs to the field of mariculture, and in particular relates to a method for raising jellyfish seedlings. Background technique [0002] Jellyfish belongs to coelenterate door, pot jellyfish class, root mouth jellyfish order, root mouth jellyfish family, jellyfish genus, and is a large edible jellyfish that lives in planktonic life near coastal and inshore estuaries. Alternate reproduction from generation to generation, the medusa produces polyp through sexual reproduction, and the polyp produces medusa through transverse reproduction. Generally speaking, jellyfish refers to the adult jellyfish, which is mushroom-shaped and divided into two parts: the umbrella body and the mouth and wrist. The diameter of the umbrella is generally 300mm-600mm, the maximum can reach 1m, and the weight is generally 10kg-20kg. The existing method for breeding jellyfish seedlings has a low survival rate. Contents of the invention [0003] In order to sol...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 李向宇
Owner 营口市实发参贝养殖繁育有限公司
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