CN110973029A - Fish-fishing net cage for facility fishery and use method thereof - Google Patents
Fish-fishing net cage for facility fishery and use method thereof Download PDFInfo
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- CN110973029A CN110973029A CN201911223295.8A CN201911223295A CN110973029A CN 110973029 A CN110973029 A CN 110973029A CN 201911223295 A CN201911223295 A CN 201911223295A CN 110973029 A CN110973029 A CN 110973029A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K69/00—Stationary catching devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
- A01K75/04—Floats
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
- A01K75/06—Sinkers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K79/00—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery
- A01K79/02—Methods or means of catching fish in bulk not provided for in groups A01K69/00 - A01K77/00, e.g. fish pumps; Detection of fish; Whale fishery by electrocution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
Abstract
The invention relates to the field of fishery culture, in particular to a fish fishing net cage for facility fishery and a use method thereof. The fish fishing net cage comprises a fish fishing net cage body with an opening on one surface, a frame and a net port bracket; the side of the fishing net cage body, which is open, is a fishing net cage opening; the fish fishing net cage body is fixed on the frame; the net port bracket is fixed on the outer side of the short side of the frame; the upper line of the fish fishing net cage body is provided with a floater; the foot line is provided with a sinker so that the foot line can move along the bottom of the water tank. By arranging the frame and the net opening bracket, the strength of the fish fishing net cage is improved in the overall structure, the wind and wave resistance of the fish fishing net cage is improved, and the service life of the fish fishing net cage is prolonged; one end of the net port bracket is 0.5-2m longer than the short side of the fishing net box port, so that workers can exert force conveniently when pulling the net. The foot line is provided with a sinker so that the foot line can move along the bottom of the water tank. The fish fishing net cage can increase fishing efficiency, is convenient to use and has a simple assembly method.
Description
Technical Field
The invention relates to the field of fishery culture, in particular to a fish fishing net cage for facility fishery and a use method thereof.
Background
Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals under artificial control. Generally comprises the whole process of cultivating aquatic products from seedlings under artificial feeding management. The method can also be used for the proliferation of aquatic resources in a broad sense, and aquaculture can be realized by means of rough culture, intensive culture, high-density intensive culture and the like. The rough culture is to put seedlings in medium and small natural waters and to culture aquatic products such as fish in lakes and reservoirs, shellfish in shallow seas and the like by completely relying on natural baits. Intensive culture is to culture aquatic products in a small water body by using methods of feeding and fertilizing, such as pond fish culture, fish fishing, cage fish culture, fence culture and the like. The high-density intensive culture adopts methods of flowing water, controlling temperature, increasing oxygen, feeding high-quality baits and the like to carry out high-density culture in a small water body so as to obtain high yield, such as flowing water high-density fish culture, shrimp culture and the like.
The pond internal circulation water tank type running water aquaculture is a new circulating economy type aquaculture technology with low carbon, environmental protection, water and energy conservation, high yield and high efficiency, however, the existing fish fishing net cage aiming at the facility fishery aquaculture pond has some defects in the using process, the design of the fish fishing net cage is not very reasonable, and the fishing of the aquaculture after aquaculture is not very convenient.
Disclosure of Invention
In order to solve the prior technical problems, the invention discloses a fish catching net cage for facility fishery and a use method thereof.
Specifically, the technical scheme of the invention is as follows:
the invention discloses a fish fishing net cage for facility fishery in a first aspect, which comprises a fish fishing net cage body, a frame and a net port bracket, wherein the fish fishing net cage body is provided with a plurality of net ports; a fishing net box port is formed in the top of the fishing net box body; the fish fishing net cage body is fixed on the frame; the net port bracket is fixed on the outer side of the short side of the frame;
floats are arranged on the head line of the fish fishing net cage body, and the distance between the floats is 0.1-0.5 m; the foot line is provided with a sinker so that the foot line can move along the bottom of the water tank.
In some preferred embodiments of the invention, the float is a plastic bottle, a plastic keg, a foam block or a foam float.
In some preferred embodiments of the present invention, the sinker is a lead sinker or a cable.
Further, the fishing net cage body is obtained by assembling net sheets; preferably, the bottom of the fish fishing net cage body is a conical net bottom.
In some embodiments of the invention, the mesh is a polyethylene mesh, a polyvinyl chloride mesh, or a polystyrene mesh.
It should be understood that the mesh material is not limited to polyethylene, and one skilled in the art can select mesh of any material to complete the present invention as required, and all such materials are within the scope of the present invention.
Furthermore, the net mouth support is two independent straight rods.
In some preferred embodiments of the invention, the straight rod is a bamboo rod. One end of the bamboo pole is flush with the frame, and the other end of the bamboo pole is 0.1-5.0m longer than the short edge of the fishing net box opening, so that workers can exert force conveniently when pulling the net.
Furthermore, the frame and the fishing net cage mouth of the fishing net cage are both rectangular; preferably, the length of the short side of the frame is the same as that of the short side of the fish-catching net cage; preferably, the length of the long edge of the frame is smaller than the width of the facility fishery culture pond and smaller than the length of the long edge of the fish fishing net cage. More preferably, the difference between the length of the long side of the frame and the width of the facility fishery culture pond is 1-20 cm; the difference between the length of the long edge of the frame and the length of the long edge of the fish fishing net cage is 1-20 cm.
In some preferred embodiments of the present invention, the frame is a stainless steel frame, and a cross beam is disposed in the middle of the frame.
Furthermore, the head line of the fish fishing net cage body is fixed on the frame, and the foot line of the fish fishing net cage body is only fixed on two parts close to the frame corners. Specifically, the foot line of the fish fishing net cage body is only fixed in partial areas close to two ends of the frame corners. Furthermore, the unbound outline part is provided with a sinker. The binding width is 0.1-2.0 m, and the spacing is 0.1-0.5 m. The distance between the sinkers is 0.1-0.5 m.
Further, the lower line of the fish fishing net cage body is a plane frame; preferably, a moving structure is installed at a lower portion of the planar frame. In some embodiments of the invention, bearings or wheel tracks are mounted below the planar frame to allow the fish cage to be easily moved over the bottom surface of the tank.
Furthermore, the bottom opening of the fish fishing net cage is connected with the side opening of the other floating fish fishing net cage, so that the space for containing commercial fish is increased, and the fishing rate of fishing by pulling the net is improved.
The invention discloses a second aspect of the assembly method of the fish-fishing net cage, which comprises the following steps:
s1: manufacturing a fish fishing net cage body;
s2: manufacturing a frame;
s3: fixing the fish fishing net cage body on the frame; preferably, the head line of the fish fishing net cage body is fixed on the frame, and the foot line of the fish fishing net cage body is only fixed on two parts close to the frame corners;
s4: fixing the net mouth bracket outside the short side of the frame; preferably, the length of the net mouth support is longer than the short side of the frame;
s5: the upper line of the fish fishing net cage body is provided with a plurality of floaters, and the lower line of the fish fishing net cage body is provided with a plurality of sinkers, so that the fish fishing net cage is obtained.
The third aspect of the invention discloses a method for fishing by using the fish fishing net cage, which comprises the following steps:
(1) when fishing, one person stands on each side of the water tank, so that the foot line of the fish fishing net cage is tightly attached to the wall of the water tank, and fish is driven from the water inlet end to the water outlet end;
(2) when the fish catching net cage reaches the rear end of the water tank and more fish enter the bottom of the pull net, the lower line of the fish catching net cage is tilted out of the water surface and placed on the walkway plate, and the net port bracket is also fixed on the walkway plate; or the like, or, alternatively,
when the fish catching net cage reaches the rear end of the water tank, most of the fishes roll with water at the rear end of the water tank, for fish groups which do not enter the net pulling and fish catching net cage or the rear part of the fish catching net cage, the fish groups are driven into the fish catching net cage by fishing sea, then the foot line of the fish catching net cage is raised out of the water surface and placed on the walkway plate, and the net mouth support is also fixed on the walkway plate;
(3) pulling one side of the fish catching net cage to enable the fishes to be concentrated towards the other side in the fish catching net cage, fishing the fishes into the fish container by using a fishing scoop, and transferring the fishes to the shore.
When fishing, the fishing net cage is slowly driven from one end of the water tank to the other end, when the fishing net cage reaches the rear end of the water tank, the commercial fish in the water tank gradually enters the fishing net cage, the lower line of the pull net is gradually lifted out of the water surface when the fishing net cage is close to the rear end, the commercial fish is freely caught in the fishing net cage, when the commercial fish is not much left, the fishing net cage is folded, the fishing efficiency is improved, and a rotation breeding period is started until the commercial fish is completely fished.
In some preferred embodiments of the invention, in order to completely fish commercial fish in the internal circulation culture pond, an ultrasonic pulse or electric pulse method is adopted to enable the commercial fish to be unconsciously floated, and the unconscious commercial fish is fished out, so that the production purposes of completely removing the commercial fish, realizing the order of specifications in a new culture period and avoiding the large fish eating small fish are achieved.
The invention also discloses application of the fish-fishing net cage, the assembling method or the using method in the field of fishery culture.
On the basis of the common general knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily without departing from the concept and the protection scope of the invention.
Compared with the prior art, the invention has the following remarkable advantages and effects:
the invention discloses a fish catching net cage for facility fishery, which improves the strength of the fish catching net cage from the whole structure, increases the wind and wave resistance of the fish catching net cage and prolongs the service life of the fish catching net cage by arranging a frame and a net opening bracket; and one end of the net opening bracket is 0.5-2m longer than the short side of the fishing net box opening, so that workers can exert force conveniently when pulling the net. Thirdly, sinkers are arranged on the foot lines, so that the foot lines can move along the bottom of the cultivation water tank, and the fishing efficiency is improved. Fourthly, the fish fishing net cage combines fish catching and fish loading (storing) and can increase fishing efficiency, reduce labor intensity, be convenient to use and be simple in assembling method.
Drawings
Fig. 1 is a schematic structural view of a fish-catching cage according to the present invention;
in the figure: 1-frame, 2-fishing net cage body, 3-net mouth support, 4-fishing net cage mouth, 5-conical net bottom, 6-sinker and 7-floater.
Detailed Description
The technical solutions of the present invention are described in detail below with reference to the drawings and the embodiments, but the present invention is not limited to the scope of the embodiments.
Experimental procedures without specifying specific conditions in the following examples were carried out according to conventional methods and conditions.
Example 1
The embodiment discloses a fish fishing net cage for facility fishery, which comprises a fish fishing net cage body 2, a frame 1 and a net port bracket 3; a fishing net box opening 4 is formed in the top of the fishing net box body 2; the fish fishing net cage body 4 is fixed on the frame 1; the net port bracket 3 is fixed on the outer side of the short side of the frame 1;
the upper line of the fish fishing net cage body 4 is provided with a floater 7; the foot line is provided with a sinker 6 so that the foot line can move against the bottom of the water tank.
The floater 7 is a foam floating ball.
The sinker 6 is a lead weight.
The fishing net cage body is obtained by assembling net sheets; the bottom of the fish fishing net cage body is a conical net bottom 5.
The net sheet is a polyethylene net sheet.
The net port support 3 is two independent straight rods. Specifically, the straight rod is a bamboo rod. One end of the bamboo pole is flush with the frame, and the other end of the bamboo pole is 1m longer than the short side of the fishing net box opening, so that workers can conveniently exert force when pulling the net.
The frame 1 and the fishing net cage mouth 4 of the fishing net cage are both rectangular; the length of the short edge of the frame 1 is the same as that of the short edge of the fish fishing net cage; the length of the long edge of the frame 1 is smaller than the width of the facility fishery culture pond and smaller than the length of the long edge of the fish fishing net cage. Specifically, the difference between the length of the long edge of the frame and the width of the facility fishery culture pond is 10 cm; the difference between the length of the long edge of the frame and the length of the long edge of the fish fishing net cage is 5 cm.
The head line of the fish fishing net cage body 4 is fixed on the frame 1, and the foot line of the fish fishing net cage body 2 is only fixed on two parts close to the corners of the frame 1. The unbound outline portion is provided with a sinker 6.
The lower line of the fish fishing net cage body 2 is a plane frame; and a moving structure is arranged at the lower part of the plane frame. Specifically, a bearing or a wheel rail is arranged below the plane frame, so that the fish fishing net cage is easy to move on the bottom surface of the water tank.
Example 2
The embodiment discloses a method for assembling a fish catching net cage of the embodiment 1, which comprises the following steps:
s1: manufacturing a fish fishing net cage body;
s2: manufacturing a frame;
s3: fixing the fish fishing net cage body on the frame; preferably, the head line of the fish fishing net cage body is fixed on the frame, and the foot line of the fish fishing net cage body is only fixed on two parts close to the frame corners;
s4: fixing the net mouth bracket outside the short side of the frame; preferably, the length of the net mouth support is longer than the short side of the frame;
s5: the upper line of the fish fishing net cage body is provided with a plurality of floaters, and the lower line of the fish fishing net cage body is provided with a plurality of sinkers, so that the fish fishing net cage is obtained.
Specifically, the assembly method is as follows:
1. tool: pistol drills, scissors and tape measures are required.
2. Materials: the fish-catching net cage (length, width and height) 5m 2.5m, foam floating ball; plastic ropes, plastic ties; two bamboo poles (red) with the length of 3.5-3.8 m.
3. Manufacturing method
3.1 manufacturing a fish catching net box with the length of 5 meters, the width of 2.5 meters and the height of 2.5 meters, wherein the diameter of the net is 3-5cm, and the mouth of the fish catching net box is 5 meters long and 2.5 meters wide.
3.2 making a stainless steel rectangular bracket with the length of 4.95 meters and the width of 2.5 meters.
3.3 the mouth of the fishing net cage is tied on a stainless steel bracket, the head line is tightened and fixed on the stainless steel bracket, the two side faces are also tightened, the distance is 20cm and fixed once, the steel rope of the fishing net cage is put on the part of the foot line, the foot line is only tied at two ends of the stainless steel frame by 0.5 meter, and the rest part is not fixed with the stainless steel frame.
3.4 the unfixed steel ropes, bamboo and lead weight are beneficial to the movement of the lower line close to the bottom
3.5 rods with length of 3.5m, two ends of each section of hollow part are perforated, and the aperture is 5 mm.
3.6 fixing the bamboo poles on the wide edge of the fishing net cage to obtain the fishing net cage as shown in figure 1.
Wherein, the frame is tied on the fishing net box opening, only the upper surface and two sides are tied, and ropes about five meters are tied at four corners.
Two ropes are tied at four corners of the fishing net box opening, and the net can be pulled by pulling the ropes.
Example 3
In a third aspect, this embodiment discloses a method for catching fish using the fishing cage of embodiment 1, which includes the following steps:
(1) when fishing, one person stands on each side of the water tank, so that the fish fishing net cage is tightly attached to the wall of the water tank to catch fish from the water inlet end to the water outlet end;
(2) when the fish catching net cage reaches the rear end of the water tank and more fish enter the bottom of the pull net, the lower line of the fish catching net cage is tilted out of the water surface and placed on the walkway plate, and the net port bracket is also fixed on the walkway plate; or the like, or, alternatively,
when the fish catching net cage reaches the rear end of the water tank, most of the fishes roll at the top water of the rear end of the water tank and do not enter the bottom of the net, fish groups are driven into the fish catching net cage by using sea fishing, then the foot line of the fish catching net cage is raised out of the water surface and placed on the walkway plate, and the net port support is also fixed on the walkway plate;
(3) pulling one side of the fish catching net cage to enable the fish to be concentrated towards the other side, fishing the fish into the fish catching net cage by using a fishing scoop, and transferring the fish to the bank.
When fishing, the fishing net cage is slowly driven from one end of the water tank to the other end, when the fishing net cage reaches the rear end of the water tank, the commercial fish in the water tank gradually enters the fishing net cage, the lower line of the pull net is gradually lifted out of the water surface when the fishing net cage is close to the rear end, the commercial fish is freely caught in the fishing net cage, when the commercial fish is not much left, the fishing net cage is folded, the fishing efficiency is improved, and a rotation breeding period is started until the commercial fish is completely fished.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A fish fishing net cage for facility fishery is characterized by comprising a fish fishing net cage body with an opening, a frame and a net port bracket; the side of the fishing net cage body, which is open, is a fishing net cage opening; the fish fishing net cage body is fixed on the frame; the net port bracket is fixed on the outer side of the short side of the frame;
floats are arranged on the head line of the fish fishing net cage body, and the distance between the floats is 0.1-0.5 m; the foot line is provided with a sinker so that the foot line can move along the bottom of the water tank.
2. The fish cage of claim 1, wherein the fish cage body is assembled from mesh sheets; preferably, the bottom of the fish fishing net cage body is a conical net bottom.
3. The fish cage of claim 1, wherein the portal frame is two separate straight rods.
4. The fish cage of claim 1, wherein the frame and the fish cage mouth of the fish cage are both rectangular in shape; preferably, the length of the short side of the frame is the same as that of the short side of the fish-catching net cage; preferably, the length of the long edge of the frame is smaller than the width of the facility fishery culture pond and smaller than the length of the long edge of the fish fishing net cage.
5. The fish fishing cage of claim 1, wherein the head line of the fish fishing cage body is fixed on the frame, the foot line of the fish fishing cage body is fixed on only two parts close to the frame corners, the binding width is 0.1-2.0 m, and the distance is 0.1-0.5 m.
6. The fish fishing net cage of claim 5, wherein the unbound lower line part is provided with sinkers, and the distance between the sinkers is 0.1-0.5 m.
7. The fish cage of claim 1, wherein the foot line of the fish cage body is a planar frame; preferably, a moving structure is mounted at the lower part of the planar frame;
the bottom opening of the preferable fish-catching net cage is connected with the side opening of the other floating fish-catching net cage.
8. Method of assembling a fish cage according to any of claims 1-7, characterized in that it comprises the following steps:
s1: manufacturing a fish fishing net cage body;
s2: manufacturing a frame;
s3: fixing the fish fishing net cage body on the frame; preferably, the head line of the fish fishing net cage body is fixed on the frame, and the foot line of the fish fishing net cage body is only fixed on two parts close to the frame corners;
s4: fixing the net mouth bracket outside the short side of the frame; preferably, the length of the net mouth support is longer than the short side of the frame;
s5: the upper line of the fish fishing net cage body is provided with a plurality of floaters, and the lower line of the fish fishing net cage body is provided with a plurality of sinkers, so that the fish fishing net cage is obtained.
9. A method of catching fish using the fish cage of claims 1-7, comprising the steps of:
(1) when fishing, one person stands on each side of the water tank, so that the foot line of the fish fishing net cage is tightly attached to the wall of the water tank, and fish is driven from the water inlet end to the water outlet end;
(2) when the fish catching net cage reaches the rear end of the water tank and more fish enter the bottom of the pull net, the lower line of the fish catching net cage is tilted out of the water surface and placed on the walkway plate, and the net port bracket is also fixed on the walkway plate; or the like, or, alternatively,
when the fish catching net cage reaches the rear end of the water tank, most of the fishes roll with water at the rear end of the water tank, for fish groups which do not enter the net pulling and fish catching net cage or the rear part of the fish catching net cage, the fish groups are driven into the fish catching net cage by fishing sea, then the foot line of the fish catching net cage is raised out of the water surface and placed on the walkway plate, and the net mouth support is also fixed on the walkway plate;
(3) pulling one side of the fish catching net cage to enable the fishes to be concentrated towards the other side in the fish catching net cage, fishing the fishes into the fish container by using a fishing scoop, and transferring the fishes to the shore.
10. Use of a fish cage according to claims 1-7, a method of assembly according to claim 8 or a method of use according to claim 9 in the field of fishery farming.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911223295.8A CN110973029A (en) | 2019-12-03 | 2019-12-03 | Fish-fishing net cage for facility fishery and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911223295.8A CN110973029A (en) | 2019-12-03 | 2019-12-03 | Fish-fishing net cage for facility fishery and use method thereof |
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| CN110973029A true CN110973029A (en) | 2020-04-10 |
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| CN111387150A (en) * | 2020-04-20 | 2020-07-10 | 得达海洋工程(上海)有限公司 | Fish culture fishing system |
| CN112790168A (en) * | 2021-01-20 | 2021-05-14 | 王小明 | Automatically adjustable fishing net for running water culture pond |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111387150A (en) * | 2020-04-20 | 2020-07-10 | 得达海洋工程(上海)有限公司 | Fish culture fishing system |
| CN112790168A (en) * | 2021-01-20 | 2021-05-14 | 王小明 | Automatically adjustable fishing net for running water culture pond |
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