Seepweed and portunus trituberculatus co-cultivating mode in seawater pond

A swimming crab and pond technology, applied in fish farming, climate change adaptation, botanical equipment and methods, etc., can solve the problems of easy pollution, polluting the environment, increasing breeding costs, etc., and achieve improved survival rate, high income, and meat fat cream thick effect

Inactive Publication Date: 2015-11-11
NINGBO ACAD OF OCEAN & FISHERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the water quality of mariculture is easy to be polluted, some sewage needs to be discharged regularly and injected into filtered clean seawater, which not only pollutes the environment, but also greatly increases the cost of aquaculture.

Method used

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  • Seepweed and portunus trituberculatus co-cultivating mode in seawater pond

Examples

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Comparison scheme
Effect test

Embodiment Construction

[0011] like figure 1 As shown, a seawater pond co-culturing mode of Suaeda and swimming crabs, swimming crabs are cultured at the bottom of the pond 1, and Suaeda 6 is planted on the water surface.

[0012] Pond 1 is arranged on the coastal area, and is convenient to take fresh seawater to inject pond 1, and pond 1 area is 5 to 20 mus, and pond 1 water depth is 1.5 to 2.0 meters. The bottom of the pond 1 is a sand layer 2, and the thickness of the sand layer 2 is 15 to 25 cm. Put young crabs in May-June, 400 tails per 100 square meters, and the sand layer 2 is the place for the growth and activities of swimming crabs.

[0013] There are planting racks floating on the water surface of the pond 1, and the area of ​​the planting racks is 16 to 32 square meters, and 2 to 3 are set on every hundred square meters of water surface. The planting frame includes a base body 3 and a floating body 4 fixed around the base body 3, so that more than 80% of the volume of the base body 3 is ...

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Abstract

The invention provides a seepweed and portunus trituberculatus co-cultivating mode in a seawater pond. The mode includes the steps that the pond is arranged along the coast, water in the pond is sea water, and the bottom of the pond is a sand layer where portunus trituberculatus grows and moves; planting frames are floated on the water surface of the pond; each planting frame comprises a basic body and a floater fixed to the periphery of the basic body, and 80% of the basic body is soaked in the water; the basic body is made of porous honeycomb foaming materials to serve as matrixes of soilless culturing of seepweed to be used for supporting roots of the seepweed. By means of the seepweed and portunus trituberculatus co-cultivating mode, the water quality of the seawater pond can be purified automatically, increase of the contents of nitrogen and phosphorus is controlled, and a good condition is provided for growth of the portunus trituberculatus; due to the fact that the portunus trituberculatus loves shade, the seepweed is planted and capable of shielding sunlight for the portunus trituberculatus, and a larger movement space is provided for the portunus trituberculatus; a win-win ecological environment is established, the survival rate of the portunus trituberculatus is increased, the meat is fat and crab cream is thick when the portunus trituberculatus is harvested, and great gains can be obtained after the seepweed is harvested. The mode has the advantages of being low in investment, high in income and free of environmental pollution.

Description

technical field [0001] The invention relates to a method for cultivating swimming crabs, in particular to a co-cultivation mode of saltwater crabs and swimming crabs in seawater ponds. Background technique [0002] Swimming crab meat is tender and white, rich in protein, fat and a variety of minerals. It is the most robust individual in winter, especially the female crab is covered with red paste and has an excellent taste, which is very popular among people. Therefore, the swimming crab breeding industry has become quite large. Swimming crab farming is generally divided into seawater farming and freshwater farming. Because swimming crabs after seawater farming have a light salty fragrance, they are more popular among people. However, because the water quality of mariculture is easily polluted, some sewage needs to be discharged regularly and injected into filtered clean seawater, which not only pollutes the environment, but also greatly increases the cost of aquaculture. ...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01G1/00
CPCY02A40/81A01G22/00
Inventor 王建平滕丽华斯烈钢伊祥华徐胜威申屠基康
Owner NINGBO ACAD OF OCEAN & FISHERY
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