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Fry temporary rearing system made from PVC pipes and breeding method thereof

A PVC pipe and culture method technology, applied in fish farming, application, climate change adaptation and other directions, can solve problems such as difficult to move, escape of fry, complicated installation of devices, etc., and achieve easy moving, reduced damage, and construction methods simple effect

Pending Publication Date: 2018-03-27
FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] These utility models can effectively reduce the damage when fish fry are caught and put in, and improve the survival rate, but there may be disadvantages such as the device is easy to be blown by the wind and the fry may escape, or the device is complicated to install and not easy to move.

Method used

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  • Fry temporary rearing system made from PVC pipes and breeding method thereof
  • Fry temporary rearing system made from PVC pipes and breeding method thereof
  • Fry temporary rearing system made from PVC pipes and breeding method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as figure 1 Shown: the fry holding system made of PVC pipes, including frame 1, net cage 2, anchor rope 3, oxygenation frame 4 and handle 5; the bottom of the frame 1 is provided with oxygenation frame layer 4, oxygenation frame layer 4 is connected with the frame 1 by an anchor rope 3; the upper end of the net cage 2 is fixed on the frame 1 by the anchor rope 3, and the frame 1 and the oxygen-increasing frame layer 4 are all located inside the net cage 2;

[0027] The frame 1 includes an upper frame 11 and a lower frame 12; the oxygen-increasing frame layer 4 is located at the bottom, the lower frame 12 is located above the oxygen-increasing frame layer 13, and the upper frame 11 is located above the lower frame 12; the upper frame 11 and Net cages 2 are arranged between the lower frames 12; several bayonets 41 are arranged on the oxygen-increasing frame layer 4;

[0028] The frame 1 is also provided with a handle 5 .

[0029] The frame 1 is composed of PVC pipe...

Embodiment 2

[0036] (1) Put the fry into the net cage 2, put 0.3 to 5,000 fish per square meter, and feed the special juvenile fish powdery compound material, 6 to 8 times a day, and feed each time for 10 to 20 minutes, or observe the fish fry. Stop feeding when the appetite is not intense;

[0037] (2) Arrange sand and gravel air outlet heads 42 on the aeration frame layer 4 as required, the quantity is 1-2 per square meter, and the net cage 2 is inflated and aerated continuously during temporary maintenance, and pulled up by the handle 5 every day In a small corner of cage 2, check whether there is residual bait or dead seedlings sinking to the bottom of the net, and adjust feeding or diagnosis and treatment in time;

[0038] (3) Hang the net cage in the pond 2 for 7-10 days, do 1 or 2 intensive exercises during the period to enhance the physique of the fry, and directly untie the anchor rope when turning the pond 3 Open the net cage and put it in the pond to reduce the handling of the p...

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Abstract

The invention relates to a fry temporary rearing system made from PVC pipes and a breeding method thereof, belonging to the technical field of aquaculture. The fry temporary rearing system comprises aframework, a mesh box, anchor ropes, an oxygen-increasing framework and a handle. A layer of oxygen-increasing framework is arranged at the lower part of the framework. The layer of oxygen-increasingframework is connected with the framework through the anchor ropes. The upper end of the mesh box is fixed on the framework through the anchor ropes. The framework and the layer of oxygen-increasingframework are both located in the interior of the mesh box. The framework comprises an upper framework and a lower framework. The layer of oxygen-increasing framework is located at the bottom. The lower framework is located above the layer of oxygen-increasing framework. The upper framework is located on the lower framework. The framework is equipped with the handle. The fry temporary rearing system can effectively reduce damage caused by fry capture and delivery, increase the survival rate and is operated easily and conveniently. The PVC pipes are good in anti-aging performance and excellentin freezing-proof performance. Pipe fittings are connected by PVC glue. The construction method is simple. Installation work efficiency is high. The overall system is low-weighted and easy to carry.

Description

technical field [0001] The invention relates to a fish fry temporary breeding system made of PVC pipes and a breeding method thereof, belonging to the technical field of aquaculture. Background technique [0002] The breeding of fish fry is an important part of aquaculture. Among them, the process of catching and releasing fish fry will cause great damage to the fry, resulting in a decrease in survival rate, which is an important factor restricting the efficiency of aquaculture. Therefore, it is necessary to invent a device for effectively temporarily raising fry, which can be used to temporarily raise fry. On the one hand, it is beneficial to links such as baiting and domestication, and on the other hand, it reduces the damage of mechanical operations to fry, thereby improving the quality of fry. survival rate. Traditionally, cement soil, earthen ponds or earthen pond fences are used for the temporary cultivation of fish fry. These methods occupy a large area, have high co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/60A01K61/10A01K63/04
CPCA01K61/10A01K61/60A01K63/042Y02A40/81
Inventor 祝璟琳邹芝英杨弘李大宇肖炜
Owner FRESHWATER FISHERIES RES CENT OF CHINESE ACAD OF FISHERY SCI
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