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A kind of circulation culture method of low-salinity sea grape

A technology for recirculating culture and sea grapes, applied in the field of low-salinity sea grape recirculation culture method, can solve the problems of inability to guarantee the food safety of products, excessive biological heavy metals, and low grape yield, etc., to shorten the adaptation period and reduce the fishy smell. , The effect of the whole process of the breeding process is controllable

Active Publication Date: 2020-07-24
广西海树生物制药集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, the cultivation of sea grapes mostly adopts mariculture. Due to factors such as marine pollution, more and more marine algae have exceeded the standard of heavy metals, and the food safety of the products is often not guaranteed.
At the same time, due to the limitation of the breeding density, the yield of sea grapes is not high at this stage, and the salinity is high, which has the bitter taste of seawater.

Method used

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  • A kind of circulation culture method of low-salinity sea grape

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Effect test

Embodiment 1

[0023] A kind of circulation cultivation method of low-salinity sea grape provided by the present embodiment, described cultivation method comprises the following steps:

[0024] (1) Preparation of breeding ponds: build 10 breeding ponds with sequential numbers and equipped with intelligent controllable devices for water circulation and filtration. The 10 breeding ponds are connected and their connections are controlled by valves. For the attachment of rhizoids of sea grapes, the water for cultivation is fresh sand-filtered seawater; the fixer is made of clean oyster shells connected by ropes;

[0025] (2) Initial planting: Select Jingzhuang sea grape seedlings to sow in No. 1 aquaculture pond, and plant them on the bottom of the aquaculture pond. At the same time, inject prepared artificial seawater with a salinity of 28‰ into No. 1 aquaculture pond. The bottom 70cm, remove harmful organisms in time during this period, and fertilize according to the growth of sea grapes; wher...

Embodiment 2

[0031] A kind of circulation cultivation method of low-salinity sea grape provided by the present embodiment, described cultivation method comprises the following steps:

[0032] (1) Preparation of breeding ponds: build 10 breeding ponds with sequential numbers and equipped with intelligent controllable devices for water circulation and filtration. The 10 breeding ponds are connected and their connections are controlled by valves. For the attachment of rhizoids of sea grapes, the water for cultivation is fresh sand-filtered seawater; the fixer is made of clean oyster shells connected by ropes;

[0033] (2) Initial planting: Select Jingzhuang sea grape seedlings to sow in the No. 1 culture pond, and plant them on the bottom of the culture pond. At the same time, inject artificial seawater with a salinity of 29‰ into the No. 1 culture pond. The bottom is 75cm, during which the harmful organisms are removed in time, and fertilization is carried out according to the growth of sea ...

Embodiment 3

[0039] A kind of circulation cultivation method of low-salinity sea grape provided by the present embodiment, described cultivation method comprises the following steps:

[0040] (1) Preparation of breeding ponds: build 10 breeding ponds with sequential numbers and equipped with intelligent controllable devices for water circulation and filtration. The 10 breeding ponds are connected and their connections are controlled by valves. For the attachment of rhizoids of sea grapes, the water for cultivation is fresh sand-filtered sea water; the fixator is made of clean oyster shells connected by ropes;

[0041] (2) Initial planting: Select Jingzhuang sea grape seedlings to sow in No. 1 aquaculture pond, and plant them on the bottom of the aquaculture pond. At the same time, inject prepared artificial seawater with a salinity of 30‰ into No. 1 aquaculture pond. The bottom is 80cm, and the harmful organisms are removed in time during the period, and fertilization is carried out accord...

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Abstract

The invention provides a circulatory breeding method for low-salinity sea grapes, and relates to the technical field of aquaculture. The breeding method comprises the following steps: (1) preparationof a breeding pond; (2) first-time planting; (3) second-time planting; (4) circulatory breeding; and (5) harvesting. Breeding of grape algae is carried out by a circulating water system, water resources are saved, a whole breeding process is controllable, food safety problems such as pollution of heavy metal are avoided, meanwhile, the salinity of breeding liquid is gradually reduced by water circulation, the adaptive cycle of the sea grapes to the environment is shortened, and the growth speed and the yield of the sea grapes are not affected. Sea grapes bred by the method does not need to bedesalted additionally, and the products are small in fishy smell, taste good, are high in nutritive value, and can meet demands of diet of modern people.

Description

technical field [0001] The invention relates to the technical field of aquaculture, in particular to a low-salinity sea grape circulation cultivation method. Background technique [0002] Sea grape scientific name long-stem grape fern (scientific name: Caulerpa lentillifera ) is native to Okinawa, Japan. It is a kind of raw seaweed with health care function. It contains various nutrients needed by the human body. It has the functions of anti-cancer, anti-tumor, anti-oxidation, improving immunity, activating brain cells, purifying blood, and beauty. , high nutritional value, also known as green caviar and longevity algae in Japan, its EPA content is 3.68%, and the DHA content is 6.36%. [0003] At present, sea grapes are mostly cultivated in seawater. Due to factors such as marine pollution, more and more marine algae have exceeded the standard for heavy metals, and the food safety of the products cannot be guaranteed. At the same time, due to the limitation of the breeding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G33/00A01C21/00A01G7/06C05G1/00
CPCY02A40/80
Inventor 高程海米顺利易湘茜邓家刚侯小涛郝二伟杜正彩
Owner 广西海树生物制药集团有限公司