CN102511453A - Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool - Google Patents
Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool Download PDFInfo
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- CN102511453A CN102511453A CN2012100033326A CN201210003332A CN102511453A CN 102511453 A CN102511453 A CN 102511453A CN 2012100033326 A CN2012100033326 A CN 2012100033326A CN 201210003332 A CN201210003332 A CN 201210003332A CN 102511453 A CN102511453 A CN 102511453A
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Abstract
The invention discloses a fishing tool for macrobrachium nipponensis seeds. The fishing tool comprises a net cage, an expelling net and an intercepting net, wherein the net cage consists of a cage frame and a mesh, one end of the net cage is provided with an opening, and the expelling net and the intercepting net are respectively arranged on two opposite sides of the opening of the net cage. By skillfully combining the expelling net, the intercepting net and the net cage, the fishing tool for the macrobrachium nipponensis seeds has a simple structure and low cost; when the fishing tool is used, the conventional expelling, intercepting, spreading and fishing methods are effectively combined; the whole fishing process is operated in water, so the fished objects are not hurt; and the fishing tool effectively reduces the death rate of the fished objects, can realize full-pool fishing at one time, has high fishing efficiency and low labor intensity, and is favorable for large-scale fishing.
Description
Technical field
The present invention relates to a kind of fishery and fish for instrument, relate in particular to fishing gear and the method for using thereof of a kind of freshwater shrimp seed.
Background technology
Japanese macrobrachium supernbum (Macrobrachium nipponensis), the popular name freshwater shrimp is the important freshwater aquiculture shrimps of China.National fishery economic statistical communique data show in 2010, China's freshwater shrimp gross yield was 22.56 ten thousand tons in 2010, annual value of production reaches more than 70 hundred million yuan.Along with the continuous expansion of the scale of shrimp culture, the scale that improved seeds are bred is also imperative.Extensive numerous seedling except require germplasm good, cultivate the abundant natural bait, the shrimp seedling of forming is lossless fishes for also is the key technology that improves shrimp seedling output and quality.At present traditional shrimp seedling method of fishing for has: (1) lamp light trapping, have the become characteristic of light of cluster according to the freshwater shrimp seed, and carry out lamp light trapping, the triangle write by hand net that adopts 30 orders～40 mesh sieve thin,tough silk to be made into is copied at pool side repeatedly and is caught.This method is time-consuming, and amount of fishing is little, and efficient is low; (2) drawn in the net to catch, drawn the shrimp seedling with the densely covered net of fishing seedling.This method, used labour intensity is big, and recruitment is many, and the shrimp seedling is prone to paste net and dead, and the survival rate of shrimp seedling is low; (3) drawn in the net to catch behind the water pump pump drainage water, existed time-consumingly equally, hindered seedling easily, the survival rate problem of lower.
Also occurred the fishing gear behind some improveds on the market, as in the Chinese utility model patent of bulletin on August 24th, 2011, number of patent application is 201120051258.6; Disclosed a kind of portable prelarva catching device, comprised the preceding string bag, rack, the rear side of the described preceding string bag is provided with one and leads lymphogranuloma inguinale; This is led lymphogranuloma inguinale and is connected with a net cage; This net cage comprises the net cage frame and net sheet of floating material, the loop configuration of described rack for constituting by cross tube, sheer pole and left and right sides vertical rod, and this net cage is set up in the openend of the preceding string bag; Be respectively equipped with a wing lattice in the vertical rod of the left and right sides, said wing lattice links to each other with a hand lever respectively.During use, this catching device integral body is put into water, the wing lattice that the operator hauls both sides through hand lever respectively drives catching device and travels forward, and in moving process, increases as required or reduces the angle between two wing lattices, reaches the scope of fishing for that increases or reduce single net.In the process that the pulling net cage moves forward, prelarva is introduced into the preceding string bag, because whole catching device is also moving forward; Prelarva enters into net cage under the guide effect of the string bag; The disclosed technical scheme of this utility model causes it effectively not fish for owing to the area that is arranged at the wing lattice in the vertical rod of the left and right sides is very little, and the string bag is fished for prelarva before only relying on; The escapement ratio of prelarva is higher; Can not realize once accomplishing the work of fishing for of whole pond prelarva or shrimp seedling, need be through repeatedly fishing for inefficiency.
Therefore, be necessary to design the fishing gear of the freshwater shrimp seed that a kind of catching rate is high, survival rate is high.
Summary of the invention
The problem that the present invention solves provides the fishing gear that a kind of catching rate is high, survival rate is high.
For addressing the above problem; The present invention has disclosed the fishing gear of a kind of freshwater shrimp seed, comprises net cage, catches up with net, block, and said net cage is made up of tank tower and etting; One end of said net cage is provided with opening, two sides that the said opening of catching up with net and said block to be arranged at said net cage respectively is relative.
Preferably, said length of catching up with net is wide 1.3 times to 1.8 times in pond, and the said height of catching up with net is 1.3 times to 2 times of the depth of water.
Preferably, the said upper edge of net of catching up with is provided with float, and the said lower edge of net of catching up with is provided with sinker.
Preferably, said float is evenly distributed along the said upper edge of net of catching up with, and said sinker is evenly distributed along the said lower edge of net of catching up with.
Preferably, said tank tower is barricaded as boxed-section shape by buoyancy material, and said etting is fixed in the cavity of said tank tower.
Preferably, said buoyancy material is mao bamboon or waddy.
Preferably, said etting adopts knotless netting.
Preferably, the length of said net cage is 5m～6m, and width is 1.5m～2.0m, highly is 2m.
The present invention has also disclosed the method for using of above-mentioned fishing gear, may further comprise the steps:
S1: net cage is placed in the pond, and make the one side that is provided with block near pool side;
S2: the free end of holding block;
S3: hold the free end of catching up with net;
S4: hold the upper edge of catching up with net, pull out the pond water surface to this upper edge, is pasting at the bottom of the pond the said lower edge of net of catching up with;
S5: slowly drag the said net of catching up with around along the pond, will fish for object and catch up with in the said net cage.
S6: fish for and carry out supporting temporarily after object is caught up with said net cage, or it is defeated to play water transport.
Compared with prior art, the present invention has the following advantages: the fishing gear of disclosed freshwater shrimp seed, ingeniously combined to catch up with net, block and net cage, and simple in structure, with low cost.During use, traditional driving and blocking, a catching method are effectively combined, the object not damaged is operated, fished for to the whole process band water of fishing for; Not only effectively reduce the lethality of fishing for object; And can realize that disposable full pond fishes for, catching rate is high, labour intensity is low, is beneficial to scale and fishes for.
Description of drawings
Fig. 1 is the structural representation of fishing gear in the preferred embodiment of the present invention.
Wherein: 1, net cage; 11, opening; 2, etting; 3, tank tower; 4, catch up with net; 5, float; 6, sinker; 7, block.
Embodiment
Below in conjunction with accompanying drawing the technical scheme in the embodiment of the invention is described in detail.
As shown in Figure 1, the present invention has disclosed the fishing gear of a kind of freshwater shrimp seed, comprises the net cage 1 that is provided with at least one opening 11, and net cage 1 is used to adorn the shrimp seedling of fishing for up.Disclosed fishing gear also comprises being used to catch up with fishes for catching up with net 4, preventing to fish for the block 7 that object is escaped of object, catches up with net 4 and block 7 to be arranged at two relative sides of opening 11 of net cage 1 respectively.Particularly, catching up with net 4 length is wide 1.3 times to 1.8 times in pond, so that operating personnel in use can be with catching up with net 4 to cover whole pond, thereby making once to fish for to obtain maximum amounts of fishing; Catching up with net 4 height is 1.3 times to 2 times of the depth of water, leaves not only handled easily personnel's the use of more altitude margin, and can prevent to fish for the object escape of in the process of fishing for, jumping.
Further, catch up with the upper edge of net 4 to be provided with float 5, it is the foam ball float of 10～12cm that float 5 adopts diameter, to prevent the catching up with upper edge of net 4 to sink; Catch up with the lower edge of net 4 to be provided with sinker 6, sinker 6 adopts iron bar or iron chains, to prevent to catch up with the lower edge come-up of net 4.Float 5 is evenly distributed according to certain clearance with sinker 6, to prevent that fishing for object escapes from the slit.
Net cage 1 is made up of tank tower 3 and etting 2, and tank tower 3 is barricaded as boxed-section shape by buoyancy material, and in the preferred embodiment of the present invention, tank tower 3 is built into the box shape of cuboid by four cross bars and four montants; Etting 2 uses knotted nettings or knotless netting to make and forms, and utilizes rope etc. to be fixed in four montants or the montant of tank tower 3, and etting 2 is placed in the cavity of net cage 1.In the preferred embodiment of the present invention, in order to prevent to fish for the damage of object, etting 2 adopts knotless netting to make and forms.Freshwater shrimp is in mating season in spring, and secondary oogenesis phenomenon is very general, and therefore, in the freshwater shrimp reproductive process, there is the shrimp seedling of many batches of outputs in Miao Chizhong, and specification is uneven.In this case, the etting that should select the knotless netting of 2～3mm size mesh to process, adopt catch up with, open combine draw mode slowly, small dimension shrimp seedling is swum out of is caught up with net 4 or net cage 1, continued growth; And the shrimp seedling specification of staying in the net cage 1 is big, neat.Simultaneously, the shrimp seedling of the net cage 1 that drives in recovers physical efficiency through supporting temporarily, is beneficial to transportation and puts in a suitable place to breed.Therefore, in actual the use, can be according to the correct net sheet of selecting suitable big or small mesh of the sized of fishing for object, stay for a short time greatly to catch, and then fish in batches, promote growth of seedling, improve survival rate, increase pond seedling output.
Fishing gear is used to build the preferred mao bamboon of buoyancy material or the waddy of tank tower 3, so that can float on the surface in use.
In the preferred embodiment of the present invention, the length of net cage 1 is 5m～6m, and width is 1.5m～2.0m, highly is 2m, can be placed on and carries out in the net cage 1 temporarily supporting catching the labor object, makes it recover physical efficiency, and vigor is stronger, is beneficial to transportation and puts in a suitable place to breed.
When using disclosed fishing gear to fish for, may further comprise the steps:
S1: net cage 1 is placed in the pond, and make the one side that is provided with block 7 near pool side 8;
S2: the free end of holding block 7;
S3: hold the free end of catching up with net 4;
S4: hold the upper edge of catching up with net 4, pull out the pond water surface to this upper edge, catch up with the lower edge of net 4 pasting at the bottom of the pond;
S5: slowly drag around along the pond and catch up with net 4, will fish for object and catch up with in the said net cage 1.
S6: fish for and carry out supporting temporarily after object is caught up with net cage 1, or it is defeated to play water transport.
In step S1, be buoyancy material such as mao bamboon or waddy because rack 3 adopts, can net cage 1 be floated in the water, make net cage 1 slowly drag block 7 and move along with operating personnel; At the bottom of also can rack 3 insertion ponds, make net cage 1 fixing with net cage 1.
In step S2, when operating personnel hold the free end of block 7, note making the lower edge of block 7 to be close at the bottom of the pond, can more effectively play preventing to fish for the effect that escape takes place object.
In step S3, arrange operating personnel to hold the free end of catching up with net 4 at bank, can prevent to fish for object and escape from the free end of catching up with net 4.
The fishing gear of disclosed freshwater shrimp seed has ingeniously combined to catch up with net, block and net cage, as long as catch up with the net long enough, can carry out full pond and fish for, and is simple in structure, with low cost.During use; Traditional driving and blocking, a catching method are effectively combined, and the whole process band water of fishing for is operated, is fished for the object not damaged, not only effectively reduces the lethality of fishing for object; And can realize that disposable full pond fishes for; Once catch most rate and can reach more than 70%, catching rate is high, labour intensity is low, is beneficial to scale and fishes for.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. the fishing gear of a freshwater shrimp seed; Comprise net cage (1), catch up with net (4), block (7); Said net cage (1) is made up of tank tower (3) and etting (2); One end of said net cage (1) is provided with opening (11), it is characterized in that: two relative sides of the said opening (11) of catching up with net (4) and said block (7) to be arranged at said net cage (1) respectively.
2. the fishing gear of freshwater shrimp seed according to claim 1 is characterized in that: said length of catching up with net (4) is wide 1.3 times to 1.8 times in pond, and the said height of catching up with net (4) is 1.3 times to 2 times of the depth of water.
3. the fishing gear of freshwater shrimp seed according to claim 1 and 2 is characterized in that: the said upper edge of net (4) of catching up with is provided with float (5), and the said lower edge of net (4) of catching up with is provided with sinker (6).
4. fishing gear according to claim 3 is characterized in that: said float (5) is evenly distributed along the said upper edge of net (4) of catching up with, and said sinker (6) is evenly distributed along the said lower edge of net (4) of catching up with.
5. the fishing gear of freshwater shrimp seed according to claim 1 is characterized in that: said tank tower (3) is barricaded as boxed-section shape by buoyancy material, and said etting (2) is fixed in the cavity of said tank tower (3).
6. the fishing gear of freshwater shrimp seed according to claim 5 is characterized in that: said buoyancy material is mao bamboon or waddy.
7. the fishing gear of freshwater shrimp seed according to claim 5 is characterized in that: said etting (2) adopts knotless netting.
8. according to the fishing gear of the described freshwater shrimp seed of the arbitrary claim of claim 5 to 7, it is characterized in that: the length of said net cage (1) is 5m～6m, and width is 1.5m～2.0m, highly is 2m.
9. method for using of utilizing the described fishing gear of claim 1 is characterized in that: may further comprise the steps,
S1: net cage (1) is placed in the pond, and make the one side that is provided with block (7) near pool side (8);
S2: the free end of holding block (7);
S3: hold and catch up with the free end of net (4);
S4: hold the upper edge of catching up with net (4), pull out the pond water surface to this upper edge, is pasting at the bottom of the pond the said lower edge of net (4) of catching up with;
S5: slowly drag the said net (4) of catching up with around along the pond, will fish for object and catch up with in the said net cage (1).
S6: fish for and carry out supporting temporarily after object is caught up with said net cage (1), or it is defeated to play water transport.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100033326A CN102511453A (en) | 2012-01-06 | 2012-01-06 | Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100033326A CN102511453A (en) | 2012-01-06 | 2012-01-06 | Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool |
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| CN102511453A true CN102511453A (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100033326A Pending CN102511453A (en) | 2012-01-06 | 2012-01-06 | Fishing tool for macrobrachium nipponensis seeds and using method for fishing tool |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782971A (en) * | 2012-11-01 | 2014-05-14 | 南京市水产科学研究所 | Pelteobagrus fulvidraco capturing method |
| CN103918623A (en) * | 2014-04-23 | 2014-07-16 | 江苏省淡水水产研究所 | Complete equipment for investigation of corbicula fluminea resources |
| CN106719478A (en) * | 2016-11-14 | 2017-05-31 | 周天赐 | A kind of special finishing device of pond culture Pelteobagrus fulvidraco |
| CN108174828A (en) * | 2018-02-24 | 2018-06-19 | 常熟理工学院 | California perch sampling method |
| CN108990919A (en) * | 2018-08-08 | 2018-12-14 | 洪泽鱼之源生物科技有限公司 | The device and method that squama fish is cherished in a kind of not damaged capture pond culture |
| CN110692604A (en) * | 2019-11-20 | 2020-01-17 | *** | Method for catching macrobrachium by netting |
| CN112931430A (en) * | 2021-04-19 | 2021-06-11 | 苏州市毛氏阳澄湖水产发展有限公司 | Facility and method for catching macrobrachium rosenbergii in crab and shrimp double main culture mode |
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| CN101142908A (en) * | 2007-08-28 | 2008-03-19 | 陈恩文 | Fishing net |
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| CN101142908A (en) * | 2007-08-28 | 2008-03-19 | 陈恩文 | Fishing net |
| CN101112192A (en) * | 2007-08-31 | 2008-01-30 | 浙江省海洋水产养殖研究所 | Device for catching plankton |
| CN101564016A (en) * | 2008-04-21 | 2009-10-28 | 中国水产科学研究院东海水产研究所 | Method for comprehensively sampling small fishes in shallow water |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782971A (en) * | 2012-11-01 | 2014-05-14 | 南京市水产科学研究所 | Pelteobagrus fulvidraco capturing method |
| CN103918623A (en) * | 2014-04-23 | 2014-07-16 | 江苏省淡水水产研究所 | Complete equipment for investigation of corbicula fluminea resources |
| CN103918623B (en) * | 2014-04-23 | 2016-03-16 | 江苏省淡水水产研究所 | Corbicula fluminea resource investigation complexes |
| CN106719478A (en) * | 2016-11-14 | 2017-05-31 | 周天赐 | A kind of special finishing device of pond culture Pelteobagrus fulvidraco |
| CN108174828A (en) * | 2018-02-24 | 2018-06-19 | 常熟理工学院 | California perch sampling method |
| CN108990919A (en) * | 2018-08-08 | 2018-12-14 | 洪泽鱼之源生物科技有限公司 | The device and method that squama fish is cherished in a kind of not damaged capture pond culture |
| CN110692604A (en) * | 2019-11-20 | 2020-01-17 | *** | Method for catching macrobrachium by netting |
| CN112931430A (en) * | 2021-04-19 | 2021-06-11 | 苏州市毛氏阳澄湖水产发展有限公司 | Facility and method for catching macrobrachium rosenbergii in crab and shrimp double main culture mode |
| CN112931430B (en) * | 2021-04-19 | 2023-06-06 | 苏州市毛氏阳澄湖水产发展有限公司 | Fishing facility and fishing method for macrobrachium rosenbergii in crab and shrimp double main culture mode |
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Application publication date: 20120627 |