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Sewage collection type reef fish ecological breeding fish nest and annular fish nest body used by same

A technology of ecological breeding and fish nest, which is applied in the fields of application, fish farming, climate change adaptation, etc., can solve the problems of decreased disease resistance, reduced growth rate, and low aquaculture output, so as to reduce emissions, reduce stress, and aquaculture Effect of Density and Yield Increase

Active Publication Date: 2021-01-29
INST OF OCEANOLOGY & MARINE FISHERIES JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reef fish like to hide in reef caves and crevices, and are mostly territorial and aggressive. Under artificial breeding conditions, they are prone to self-mutilation, resulting in a reduced survival rate
In addition, intensive high-density aquaculture has become the development direction of aquaculture industry, but intensive high-density aquaculture shows a strong stress effect on the aquaculture objects, which is especially obvious in reef fish aquaculture, resulting in a decrease in its growth rate , decreased disease resistance
Pond aquaculture is still the main method of seawater aquaculture at present. This method has low yield and serious pollution. How to increase the density of pond aquaculture, reduce water pollution in the process of pond aquaculture, and reduce the discharge of aquaculture sewage have become important problems that need to be solved urgently

Method used

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  • Sewage collection type reef fish ecological breeding fish nest and annular fish nest body used by same
  • Sewage collection type reef fish ecological breeding fish nest and annular fish nest body used by same
  • Sewage collection type reef fish ecological breeding fish nest and annular fish nest body used by same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, this embodiment provides a ring-shaped fish nest, which is formed by connecting a plurality of fish nest units 101 left and right, and the fish nest units 101 are arranged obliquely from the inside to the outside. Preferably, the inclination angle of the fish nest unit 101 is 15°. The inner hole of the annular fish nest 1 is a sewage discharge area 102 .

[0031] Such as figure 2 As shown, the fish nest unit 101 is a trapezoidal shell structure with a wide outside and a narrow inside, and openings inside and outside. The lower edge of the outer mouth of the fish nest unit 101 is folded upward by 0.5-1.5 cm.

[0032] In this embodiment, the fish nest unit is the daily habitat of fish, which is a trapezoidal barrel shell structure with wide outside and narrow inside, and inner and outer openings. The outer opening of the fish nest unit is the entrance and exit for fish activities, and the inner opening is the sewage outlet. The outer openin...

Embodiment 2

[0034] Such as image 3 As shown, the present embodiment provides a kind of sewage collection type rock fish ecological breeding fish nest, including a plurality of annular fish nests 1, and also includes a floating ball 2, a suspension rope 3, a floating valve 4, a rope 5, and a sewage collection funnel 6 and the sewage pipe 7, a plurality of said ring-shaped fish nests 1 are stacked sequentially from top to bottom, and the ring-shaped fish nests 1 of the upper and lower layers are connected and fixed by buckles. The top of the ring-shaped fish nest 1 at the top is connected with the floating ball 2 by a suspension rope 3, and the upper end of the dirt-collecting funnel 6 is fixedly connected with the lower end of the ring-shaped fish nest 1 at the lowermost end, and the funnel of the dirt-collecting funnel 6 is surrounded by a The lower end of the sewage collecting funnel 6 communicates with the sewage discharge pipe 7 outside the sewage discharge area of ​​the annular fish ...

Embodiment 3

[0039] Such as Figure 4 As shown, the present embodiment provides a kind of sewage collecting type rocky fish ecological breeding system, including a plurality of sewage collecting type rocky fish ecological breeding fish nests, also includes fish pond 8, fixed rope 9, sewage pump 10, sewage discharge The main pipe 11 and the fish net 12, the floating balls 2 of a plurality of said sewage collection type rock fish ecological breeding fish nests are connected in series on the fixed rope 9 and the two ends of the fixed rope 9 are fixedly connected with the stem of the fish pond 8.

[0040] The sewage pipes of a plurality of said sewage-collecting type rock fish ecological breeding fish nests are connected into a sewage main pipe 11 through steel wire hoses, and the tail end of the sewage main pipe 11 is upturned and the rear port is provided with a fish blocking net 12. The head end is upwardly bent and stretched out from the fish pond 8 to be connected with the sewage pump 10....

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Abstract

The invention provides a sewage collection type reef fish ecological breeding fish nest which comprises a plurality of annular fish nest bodies and further comprises a floating ball, a lifting rope, afloating valve, ropes, a sewage collection funnel and a blow-off pipe. The multiple annular fish nest bodies are sequentially stacked from top to bottom, and the upper portion of the annular fish nest body at the uppermost end is connected with the floating ball through the lifting rope; the upper end of the sewage collection funnel is fixedly connected with the lower end of the annular fish nestbody at the lowermost end, a funnel body of the sewage collection funnel is arranged below the outer sides of sewage discharging areas of the annular fish nest bodies in a surrounding manner, and thelower end of the sewage collection funnel is communicated with the blow-off pipe; and the floating valve is arranged in the funnel body of the sewage collection funnel, the plurality of dispersedly-arranged ropes are connected between the lower end of the floating valve and the inner wall of the funnel body, the upper ends of the ropes are fixedly connected with the lower end of the floating valve, and the lower ends of the ropes are fixedly connected with the inner wall of the funnel body. According to the sewage collection type reef fish ecological breeding fish nest, a good habitat environment is provided for reef fishes by utilizing a bionics principle, the self-mutilation phenomenon is reduced, the stress effect of high density on cultured objects is reduced, and the growth speed andthe disease resistance of the cultured objects are improved.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to a ring-shaped fish nest and a sewage-collecting fish nest for ecological breeding of rock and reef fish using the ring-shaped fish nest. Background technique [0002] Rocky fishes such as black bream, red snapper, scorpionfish, etc. have high edible value, and thus become a popular species for marine aquaculture in recent years. Reef fish like to hide in reef caves and crevices, and are mostly territorial and aggressive. Under artificial breeding conditions, they are prone to self-mutilation, resulting in a reduced survival rate. In addition, intensive high-density aquaculture has become the development direction of aquaculture, but intensive high-density aquaculture shows a strong stress effect on the aquaculture objects, which is especially obvious in reef fish farming, resulting in a decrease in their growth rate , decreased disease resistance. Pond aquacultu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/73A01K61/75
CPCA01K61/73A01K61/75Y02A40/81
Inventor 贾超峰祝斐孟乾高波孙瑞建张志勇张志伟陈淑吟冯卫
Owner INST OF OCEANOLOGY & MARINE FISHERIES JIANGSU
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