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Folding culture net cage

A net cage and net cage frame technology, which is applied in fish farming, application, climate change adaptation, etc., can solve the problems of poor wind and wave resistance and fish stress in aquaculture net cages, so as to ensure the performance and stability of wind and wave resistance, Effect of reducing occlusal strength and improving survival rate

Active Publication Date: 2018-02-23
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Fishermen need to divide the nets to maintain a suitable breeding density. During the process of dividing the nets, it is easy to cause stress to fish, and the existing breeding cages have poor wind and wave resistance, so they can only be used in inner bay waters with small wind waves or other shallow waters. the waters

Method used

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  • Folding culture net cage
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  • Folding culture net cage

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as Figure 1-8As shown, the folded breeding net cage includes a net cage frame 1 connected with net clothes 7, net clothes 7 are connected around the net cage frame 1 and the bottom, net clothes 7 are connected on the pontoon bridge 2 at the upper and lower ends, and net cage frame 1 axis The center is provided with a floating column 5, and the upper and lower ends of the floating column 5 are evenly distributed with sliding rings 6. The sliding ring 6 is connected with the net cage frame 1 through the floating bridge 2, and the floating bridge 2 at the upper and lower ends is connected through the balance connecting rod 3, and the net cage frame 1 The side is provided with a network port closing mechanism 4, and the inner wall of the cage frame 1 is provided with a chute corresponding to the pontoon 2, and the surface of the chute is provided with fixing holes, and both sides of the contact end of the pontoon 2 and the chute are provided with movable fixed curved p...

Embodiment 2

[0036] Such as Figure 1-8 As shown, the cultivators can fix the fixed curved plate 201 after rotating the pontoon 2, and then divide the internal space of the cultivating cage of the present invention according to the cultivating requirements, and cultivate fish with different space requirements in different separated spaces without much effort. And the flexibility is high, by rationally distributing the culture space, it is beneficial to improve the culture yield of fish, and the survival rate of juvenile fish can be improved by separating the large and small fish, and the net opening closing mechanism 4 can be arranged on the side of the net clothes connected up and down on the pontoon bridge 2, and Corresponding network ports are set to realize the cultivation of fish of different specifications in different breeding areas in the cages. The breeding cages can be connected through cylindrical cages to realize the combination of breeding areas, and 4 pairs of network port clo...

Embodiment 3

[0038] Select 10 folding culture net cages of the present invention (experimental group) and 10 markets to buy the culture net cages (control group) of the same capacity, carry out culture experiment in a certain farm in Dinghai District, Zhoushan, when 3~4 months, the above-mentioned 20 net cages were put into use, and 800 female broodstock (more than 600 g / tail) and 400 male broodstock (more than 400 g / tail) were placed in the experimental group and the control group respectively. When the water temperature of broodstock is below 14°C, feed the feed once every 1-2 days, and the feeding rate is 1-2%. 3 ~ 6%, cultured for one year, and in the breeding process, the experimental group divided the cage culture space according to the mode of embodiment 2, and the control group was cultured by the conventional culture mode, and the maintenance of the cages was maintained according to the routine in the one-year culture process. In addition, the conditions of feed, breeding water te...

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Abstract

The invention discloses a folding culture net cage, belonging to the field of culture devices. The folding culture net cage comprises a net cage frame connected with a net, wherein the axis of the netcage frame is provided with a floating column; the upper and lower ends of the floating column are respectively provided with a slip ring which is connected with the net cage frame through floating bridges; the floating bridges on the upper and lower ends are connected through balanced connecting rods; and the side surface of the net cage frame is provided with a net opening sealing mechanism. The culture net cage disclosed by the invention can change the culture capacity and enhance the culture output, has the advantages of high culture safety, high wind wave resistance and high catching efficiency, and can be assembled in the culture region.

Description

technical field [0001] The invention belongs to the field of breeding devices, and in particular relates to a foldable breeding cage. Background technique [0002] The cultivation of aquaculture body is a kind of aquaculture method that utilizes the good ecological environment of large water bodies and combines the measures of close cultivation in small water bodies to obtain high yield. It occupies an important position in the national economic life. The density of the breeding net cage is moderate, which is conducive to the growth of fish, and the fish continue to grow, and the required breeding is easy to gradually become larger. Fishermen need to divide the nets to maintain a suitable breeding density. During the process of dividing the nets, it is easy to cause stress to fish, and the existing breeding cages have poor wind and wave resistance, so they can only be used in inner bay waters with small wind waves or other shallow waters. waters. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/60A01K61/65
CPCA01K61/60A01K61/65Y02A40/81
Inventor 曾霖王永红
Owner ZHEJIANG OCEAN UNIV
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