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Method for breeding sea cucumber in bathyal half-hanging buoyant raft net cage

A semi-suspended, mesh cage technology, which is applied in the field of agricultural seawater floating raft cage culture, can solve the problems of low shellfish quality, increased risk, and increased cost of seashellfish culture, so as to achieve rational utilization of resources and improve breeding Economic benefits, effects of reducing farming costs and risks

Inactive Publication Date: 2009-06-03
大连敖龙水产技术推广有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The low quality of shellfish and the sudden death of a large area increase the cost and risk of marine shellfish farming

Method used

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  • Method for breeding sea cucumber in bathyal half-hanging buoyant raft net cage
  • Method for breeding sea cucumber in bathyal half-hanging buoyant raft net cage
  • Method for breeding sea cucumber in bathyal half-hanging buoyant raft net cage

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Experimental program
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Embodiment Construction

[0012] as above figure 1 Adjust the body of the floating raft and the length of the buoyancy rope and the suspension rope so that at low tide, the length of the buoyancy rope plus the suspension rope is greater than the distance from the sea surface to the seabed to ensure that the net cage can completely sink into the seabed. Can be completely detached from the seabed (such as Figure 1-3 ).

[0013] The specific length of the buoyancy rope and the suspension rope is related to the texture of the seabed, and the buoyancy rope and the suspension rope at the bottom of the sediment are shorter to prevent the cage from being trapped by the silt. On the contrary, the sand and mud bottom net cage is not easy to be trapped, and the length of the buoyancy rope and the sling can be appropriately increased to allow the net cage to stay on the seabed for a longer time.

[0014] Straighten the net cage, and then fix two wooden poles (bamboo poles) with the net cage with wire ropes, so ...

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Abstract

The invention relates to a method for breeding sea cucumber in a bathyal half-hanging buoyant raft net cage and the method relates to agriculture-seawater buoyant raft net cage breeding. Seashell seawater buoyant raft net cage breeding with high density in large scale for a long causes environmental deterioration of the breeding sea area, the reduction of nutriment, unsmooth water flow, frequent occurrence of disease and insect pest and the like, so that not only the bred seashell quality is reduced, but the paroxysmal death in large scale also increases the breeding cost and increases the risk of seashell breeding. The invention adopts a novel sea cucumber breeding method that the existing breeding apparatus for the seashell breeding such as a buoyant raft, a net cage and the like are adjusted and changed slightly for use, and the bathyal half-hanging buoyant raft net cage is used for breeding the sea cucumber in the sea area under qualified conditions. Organism and bacteria such as plenty of shells and the like deposited at the seabed of the seashell breeding sea area are all the main bait of the sea cucumber. After one period of 2 to 3 years of the sea cucumber breeding, the ocean ecological environment is improved, the nutriment required by the seashell is recovered, and partial of station rafts are changed to breed the seashell again. The invention can realize that the sea cucumber and the seashell are bred synchronously in proportion.

Description

technical field [0001] The invention relates to farming of agricultural seawater floating raft net cages, which is to use the existing farming equipment such as floating raft net cages for cultivating shellfish to cultivate sea cucumbers through minor adjustments and changes. technical background [0002] my country has a vast sea area, and mariculture is developing rapidly, and its aquaculture output ranks first in the world, of which shellfish farming accounts for more than 75% of the total output. Long-term large-scale and high-density shellfish farming has caused a decline in seawater nutrients in some aquaculture sea areas such as Liaoning. , poor water flow, frequent pests and diseases. The low quality of shellfish and the sudden death of a large area increase the cost and risk of seawater shellfish farming. Taking Changhai County, Liaoning Province, the largest shellfish breeding base in China as an example, the seawater aquaculture output from January to June 2007 de...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 敖志辉
Owner 大连敖龙水产技术推广有限公司
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