Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages

A semi-suspended net cage technology, applied in the field of fishery seawater floating raft net cage culture, can solve the problems of polluted aquaculture sea area, frequent occurrence of diseases and insect pests, and decline of seawater nutrients, so as to achieve rational use of resources, prevent and control environmental pollution, and promote The effect of ecological balance

Inactive Publication Date: 2010-06-09
敖志辉
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Long-term large-scale and high-density single-species shellfish farming has caused ecological imbalance in most of the breeding sea areas such as Liaoning. This large-scale and high-density farming cage provides adhesion and survival conditions for fouling organisms mainly mussels

Method used

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  • Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages
  • Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages
  • Device and method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages

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Embodiment Construction

[0012] as above figure 1 Adjust the raft body of the floating raft and the buoyancy rope and the length of the suspension rope so that when the tide is low, the length of the buoyancy rope and the suspension rope is greater than the distance from the sea surface to the bottom of the sea, so that the net cage can be completely sunk into the bottom of the sea, (such as Picture 1-1 ) at half-tide or full-tide, the cages can be partly or completely detached from the seabed (such as Figure 1-2 , 1-3).

[0013] The specific length of the buoyancy rope and the suspension rope is related to the texture of the seabed. The buoyancy rope and the suspension rope on the sediment bottom are shorter to prevent the cage from being trapped by the sand. The length of the sling. Sediment contains a large amount of nutrients needed by sea cucumbers, and is the main source of food for sea cucumbers to grow. The net cage should stay on the seabed as much as possible under the premise of ensurin...

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Abstract

The invention provides a device and a method for breeding sea cucumbers in bathyal half-hanging floating rafts and cages, and relates to the fishery-seawater floating raft and cage breeding. The existing shellfish breeding apparatus such as floating rafts, cages and the like are utilized to breed sea cucumbers through slight adjustment and modification. Large-scale high-density breeding of single shellfishes in a long term causes series problems such as reduction of nutriment, unsmooth water flow and frequent occurrences of disease and insect pest in partial breeding sea areas of Liaoning province; the low-quality shellfish and large-scale paroxysmal death of the shellfish increase the cost and risk of seawater shellfish breeding. According to the invention, by utilizing the existing shellfish breeding apparatus such as floating rafts, cages and the like through slight adjustment and modification, the cages are sunk to the seabed during the low tide and can be separated from the seabed during the high tide. Organisms such as a plurality of shells and bacteria deposited at the seabed of the shellfish breeding area are all the main bait of the sea cucumbers. The device and the method have the advantages of preventing environment pollution, saving energy and labor, greatly increasing efficiency, and providing new technology and development direction for the alternate culture and mixed culture of sea cucumbers and shellfish.

Description

technical field [0001] The present invention relates to seawater floating raft net cage culture in fishery, which is to use the existing culture equipment such as floating rafts and net cages for cultivating shellfish to form a device for cultivating sea cucumbers through minor adjustments and changes, and use this device in the cultivation of sea cucumbers. Sea cucumbers are cultured in shellfish sea areas or other sea areas where conditions permit. technical background [0002] my country has a vast sea area, and mariculture is developing rapidly, and its aquaculture production ranks first in the world, among which shellfish aquaculture accounts for more than 75% of the total production. Long-term large-scale and high-density single-species shellfish farming has caused ecological imbalance in most of the breeding sea areas such as Liaoning. This large-scale and high-density farming cage provides adhesion and survival conditions for fouling organisms mainly mussels , leadi...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 敖志辉
Owner 敖志辉
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