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Sea cucumber seedling culture method

A sea cucumber and seedling technology, applied in fish farming, application, climate change adaptation and other directions, can solve problems such as restricting the improvement of sea cucumber culture and industrialization, large differences in seedling specifications, and unstable seedling yield, etc. and feeding, improving the survival rate, and the effect of a good living environment for ginseng seedlings

Inactive Publication Date: 2013-05-15
营口市荣发参蜇有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many seedling manufacturers are engaged in the artificial seedling raising of sea cucumber, but the existing seedling raising methods: first, the seedling yield is unstable and low; second, the seedling body is weak; third, the seedling size varies greatly
Therefore, the further improvement and industrialization of sea cucumber breeding level are restricted.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] Example A kind of sea cucumber seedling raising method is as follows:

[0023] (1) Ginseng storage management:

[0024] Cement tanks are used in the storage ponds, and single-layer floating net cages are used for temporary cultivation, and the cultivation density is 15-25 heads / m 3 , the water depth is 1.2-1.5 meters, the water temperature is 16-18°C, the salinity is 29-32‰, the pH value is 7.8-8.5, the light is 500-1000lx, and the dissolved oxygen is above 5㎎ / l; % Feed the sargassum grinding solution twice in the morning and evening, 30% in the morning and 70% in the afternoon. Change the water once a day in the morning and evening, the amount of water change is 1 / 3~1 / 2 each time, the temperature difference of the water change is not more than 1°C, and the excrement and residual bait at the bottom of the pool are removed in time;

[0025] (2) Oviposition and fertilization:

[0026] The density of spawning is not more than 50 grains / ㎡. Remove the brooding ginseng...

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Abstract

The invention relates to a sea cucumber seedling culture method which adopts the following technical scheme: young seedling management: controlling the young seedling density at 0.5-1 / ml, feeding with ground Sargassum thunbergii Kuntze liquid, changing water everyday, controlling water temperature at 20-25DEG C, and cleaning the bottom every 2-3 days; young sea cucumber management: introducing the young seedlings into a seedling culture pond; taking a colorless and transparent polyethylene corrugated plate as an attaching base, keeping water temperature at 15-23DEG C, keeping illumination at 1500-2500lx, keeping salinity as 2.9-3.2%, keeping dissolved oxygen above 5mg / l, keeping the PH at 7.8-8.5, and controlling culture density at 0.5-1 head / cm<2>; improving water quality with a flowing method in the seedling culture pond; feeding with baits which take Sargassum thunbergii Kuntze powder, gulfweed powder, fish meal, saccharomycete, sea mud, immune polysaccharide and / or Hormidium flaecidum Br as the main ingredients; feeding with photosynthetic bacteria; purifying water quality; and removing seedling seed dirties. According to the method, the quality and the yield of the sea cucumber seedling culture can be improved.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to a method for raising sea cucumber seedlings. Background technique [0002] The development of sea cucumber aquaculture is an important way to develop and utilize marine biological resources. In recent years, it has developed rapidly, the aquaculture area has expanded rapidly, and the economic and social benefits have been remarkable. It has become one of the important industries of marine aquaculture in my country. Many seedling manufacturers are engaged in the artificial seedling raising of sea cucumbers, but the existing seedling raising methods: the one, the seedling yield is unstable and the output is low; the second, the seedling body is weak; Therefore restricting the further improvement and industrialization of sea cucumber breeding level. Contents of the invention [0003] In order to solve the above problems, the purpose of the present invention is to provide a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 李向宇
Owner 营口市荣发参蜇有限公司
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