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A kind of industrialized polyculture method of Fangban Dongfeng snail, Yuzu sea cucumber and Gracilaria

A technology of Fangban Dongfeng snail and Yuzu sea cucumber, which is applied in the field of mixed culture, can solve the problems of easy pollution of cultured water and sand layers, unsatisfactory production, and single cultured species.

Active Publication Date: 2020-10-27
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the factory farming method of Fangban Dongfeng snail is mainly based on land-based cement pond flowing water culture. The species of culture is too single. Only Dongfeng snails are cultivated in the breeding pond. The bait residue in the pond can still be cleaned manually, while the excreted waste of Dongfeng snails cannot be cleaned up. If the bait waste is not cleaned up in time, it will easily pollute the aquaculture water body and sand layer
[0005] Therefore, the existing Dongfeng snail breeding methods can no longer meet the needs of production. It is urgent to explore new farming models and improve the breeding environment of Dongfeng snails. Only in this way can it be possible to effectively solve its disease problems and promote the sustainable development of Dongfeng snail farming industry.

Method used

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Examples

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Effect test

Embodiment 1

[0038]The method for industrialized polyculture of Fangban Dongfeng snails, Yuzu sea cucumbers and Gracilaria provided by this example includes the following steps:

[0039] (1) Breeding water and bottom sand activation before breeding: take water according to general factory culture, after preparing the culture pond, enter the water without crossing the sand surface, put in yuzu sea cucumbers, stocking density 2 fish / m 2 , put Gracilaria, 500g / m 2 , running water for 2 hours a day for aquaculture water and bottom sand activation;

[0040] (2) Strategies for stocking and feeding of Dongfeng snail seedlings: select healthy Dongfeng snail seedlings, stocking density 1000 grains / m 2 ;The bait of Fangban Dongfeng snail is mainly fresh small miscellaneous fish, and the strategy of stopping bait regularly and irregularly; Yuzu sea cucumber does not need to be fed; Gracilaria breeding does not need additional nutrients;

[0041] (3) Environmental control strategy: adjust the light ...

Embodiment 2

[0053] The method for the industrialized polyculture of Fangban Dongfeng snails provided by the present embodiment and Yuzu sea cucumbers and Gracilaria in factory comprises the following steps:

[0054] (1) Breeding water and bottom sand activation before breeding: take water according to general factory culture, after preparing the culture pond, fill in the water without crossing the sand surface, put in yuzu sea cucumbers, stocking density 3 fish / m 2 , put Gracilaria, 500g / m 2 , running water for 3 hours a day for aquaculture water and bottom sand activation;

[0055] (2) Strategies for stocking and feeding of snail seedlings: select healthy snail seedlings and stocking density of 1100 grains / m 2 ;The bait of Fangban Dongfeng snail is mainly fresh small miscellaneous fish, and the strategy of stopping bait regularly and irregularly; Yuzu sea cucumber does not need to be fed; Gracilaria breeding does not need additional nutrients;

[0056] (3) Environmental control strateg...

Embodiment 3

[0068] Implementation location: Fangban Dongfengluo industrial polyculture pilot site is located in Shangen Town, Wanning City, Hainan Province. The annual seawater salinity is not less than 20, the water quality is clear, the tide is smooth, and the seawater is free from pollution; the land-based cement pool is located offshore 300m.

[0069] In early May 2016, the breeding ponds were cleaned and prepared. The breeding pond is a rectangular breeding pond, each pond is 16m 2 , the height of the pool is 60-80cm, a layer of leaky floor is laid on the bottom of the pool, a layer of 60-mesh screen is covered on the bottom plate, and a layer of fine sand with a thickness of 4-5cm and a particle size of 1-2mm is laid on the screen. Every 2m in the pool 2 One air supply pipe is arranged, and the inlet and outlet pipes are arranged before and after the culture pond.

[0070] After entering the water, disinfect it with potassium permanganate for 24 hours, then rinse it with sea water...

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Abstract

The invention discloses an industrialization polyculture method of Babylonia areolata, holothuria leucospilota and gracilaria. The method comprises the following steps of (1) aquaculture water and bed-load activation before aquaculture, (2) stocking and feeding of fries and fingerling of the Babylonia areolata, and (3) environmental control. The method is an ecological breeding method, under the condition of land-based factory breeding, Babylonia areolata breeding is regarded as principle, the holothuria leucospilota is subjected to polyculture to improve the base material, the seaweed (gracilaria) is subjected to polyculture to improve the water quality, and thus the morbidity of the Babylonia areolata is lowered.

Description

technical field [0001] The invention belongs to the technical field of mixed cultivation, and in particular relates to a method for industrialized mixed cultivation of snails, sea cucumbers and gracilaria. Background technique [0002] Babylonia areolata (Babylonia areolata), commonly known as flower snail, is a mollusk gastropod. Its meat is delicious, crispy and refreshing, and rich in nutrition, so it is widely loved by people. At present, Fangban Dongfeng snail has become one of the important species of marine shellfish cultured in the south coast of China. However, with the development of the aquaculture industry, various diseases occur frequently in the aquaculture process, and diseases have become an important factor restricting the development of the industrialized aquaculture industry of D. In Hainan, vicious diseases broke out for several consecutive years, and the mortality rate of many farms exceeded 50%, and even the entire army was wiped out, causing heavy eco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/51A01K61/30A01G33/00
CPCA01G33/00A01K61/30A01K61/51Y02A40/80Y02A40/81
Inventor 赵旺吴开畅于刚王江勇叶乐杨蕊
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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