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Sea cucumber breeding method

A sea cucumber and breeding net technology, which is applied in fish farming, climate change adaptation, animal feed, etc., can solve the problems of high environmental requirements for sea cucumber substrates, low breeding efficiency in mudflat ponds, and low survival rate of sea cucumbers. Achieve the effects of adjustable breeding height, rich bait sources, increased production and income

Inactive Publication Date: 2015-04-15
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the scale of tidal flat cultivation of japonicus currently used tends to be saturated due to the large amount of land resources occupied, and the efficiency of aquaculture in tidal flat ponds is low, and the survival rate of japonicus japonicus is not high, which is greatly affected by the external environment.
Moreover, sea cucumbers have high requirements on the substrate environment, especially in summer, the bottom of the pool is prone to hypoxia, and harmful substances such as hydrogen sulfide produced at the bottom cause a large number of sea cucumbers to die.

Method used

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  • Sea cucumber breeding method

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preparation example Construction

[0032] The preparation method of the shrimp shell powder is that the waste shrimp heads, shrimp shells and other materials are dried and then ground into powder.

[0033] The immune enhancer is an active substance obtained by mixing astragalus and rhubarb in a mass ratio of 3:1, leaching with alcohol, extracting by microwave, and then performing distillation; the specific preparation method is as follows: pulverize astragalus and rhubarb according to Mix the mass ratio 3:1, soak in 40%-50% ethanol solution for 4min microwave treatment, power 500W, extract with 50% ethanol for 1h, extract the filtrate by vacuum filtration, evaporate the filtrate to dryness in a water bath at 80°C, put it in It was dried in an oven at 60°C to obtain an active substance extract.

[0034] The components of the above-mentioned bait are specially formulated for the breeding mode of the double-layer hanging net of the present invention. After the materials in the above-mentioned components are ingest...

Embodiment 1

[0037]From April 2, 2013 to November 2, 2013, the facility was used for breeding experiments in Hongdao. The water depth of the experimental sea area is 3.0m, the breeding area is about 10 mu, the spacing between the breeding facilities is 40cm, the weight of the sea cucumber used in the experiment is 10.1±2.6g, and 20 kg of sea cucumber seedlings are cast in each facility. 29~31.6, pH is 8.1~8.3, and the average dissolved oxygen in water is 6.8mg / L. The research results show that the sea cucumbers cultivated in this facility have thick skin and good activity, and are mostly attached to the walls of the cage and the lining net or in the folds of the net. The survival rate of sea cucumbers in this facility is 92%, and the average weight is 127.8g. The survival rate of bottom-seeded sea cucumbers was only 55%, and the average weight was 104.2 g. The yield of sea cucumbers cultivated in this facility was significantly higher than that of bottom-seeded sea cucumbers. A large amoun...

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Abstract

The invention discloses a simple stereoscopic sea cucumber hanging breeding facility and a breeding method which are suitable for shallow sea breeding areas or deep ponds. The breeding facility comprises a plank floating bridge, foam floats, a breeding mesh cage, a lining net, a spare mesh cage and dropping stones. The breeding mesh cage is hung on the floating bridge through hooks. The lining net is fixed into the breeding mesh cage in an inclined mode and faces sunlight. The spare mesh cage is placed on the floating bridge to be exposed in the sunlight for standby use. The dropping stones are hung at the four corners of the breeding mesh cage. According to the stereoscopic sea cucumber hanging breeding facility and the breeding method, water-layer particulate organic matters and water-layer sediment intercepted by the breeding mesh cage are fully used for providing natural high-quality bait for sea cucumbers, good environment is provided for the sea cucumbers, other living bodies such as prawns can be bred in a mixed mode at the same time, and therefore a stereoscopic ecological breeding mode is realized.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a three-dimensional sea cucumber hanging culture facility and a culture method. Background technique [0002] With the rapid development of northern sea cucumber aquaculture, sea cucumber aquaculture has become the largest industry in marine aquaculture in northern my country. However, the currently used sea cucumber tidal flat culture scale tends to be saturated due to the occupation of a large amount of land resources, and the efficiency of tidal flat pond culture is low, the survival rate of sea cucumber is not high, and it is greatly affected by the external environment. Moreover, sea cucumbers have high requirements on the substrate environment, especially in summer, the bottom of the pool is prone to hypoxia, and the harmful substances such as hydrogen sulfide produced at the bottom cause a large number of deaths of sea cucumbers. Therefore, it is necessary...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K61/00A23K1/18A23K1/14A23K1/10A23K1/16A01K61/59
CPCY02A40/81
Inventor 任贻超王文琪
Owner QINGDAO AGRI UNIV
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