CN105594641A - Purse net for polyculture of fish and prawn - Google Patents
Purse net for polyculture of fish and prawn Download PDFInfo
- Publication number
- CN105594641A CN105594641A CN201610050867.7A CN201610050867A CN105594641A CN 105594641 A CN105594641 A CN 105594641A CN 201610050867 A CN201610050867 A CN 201610050867A CN 105594641 A CN105594641 A CN 105594641A
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- CN
- China
- Prior art keywords
- prawn
- net
- fish
- polyculture
- shrimps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The invention discloses a purse net for the polyculture of a fish and a prawn. The purse net for the polyculture of the fish and the prawn comprises multiple fixing columns and multiple net pieces, wherein the net pieces and the fixing columns form an enclosed structure; the bottoms of the net pieces are all provided with net sinking bags; the diameters of meshes of the net pieces are 3cm to 4cm. The purse net for the polyculture of the fish and the prawn is simple in structure, and is easy to manufacture; the quantity of the net pieces can be randomly combined to realize the change of the area size of the purse net according to the flatness condition and the area size of the bottom of a culturing pond and the different yields of the fish and the prawn which are subjected to the polyculture; the fish and the prawn which are subjected to the polyculture are effectively fed in an isolation manner; the feeding amount of high-value prawn feed is reduced; the utilization rate of the prawn feed is improved; the economic benefit of culture is increased.
Description
Technical field
The present invention relates to aquaculture of aquatic animal device, be specifically related to the purse seine that a kind of fishes and shrimps are raised together with.
Background technology
The pond culture of Environment of Litopenaeus vannamei Low is the important component part of China's sea-farming industry. Nearly 3Nian Lai, because breeding environment worsens and germ plasm resource is constantly degenerated, disease takes place frequently, cultivation success rate companyYear reduces, and within 2015, has occurred especially most even total crop failures of raiser's loss of capital. Change existingAquaculture model, carrying out more that the fishes and shrimps of stable yields raise together with is the sustainable development of Environment of Litopenaeus vannamei Low cultivation from now onTrend. The pond that fishes and shrimps are raised together with, if the subject matter of existence is to raise together with fish negligible amounts, prawnThe sick effect that does not have biological prevention and control, and if the fish quantity of raising together with is too much, can rob again foodThe shrimp feed of high value, cause prawn ingest and growth is affected, cause the waste of shrimp feed, fallThe economic benefit of low cultivation.
The feedstuff feeding of raising together with for fishes and shrimps at present, mainly contains following two kinds of modes: one, first feed fishFeed again shrimp, be first to drop into the fish material of swimming to feed fish, then drop into heavy water shrimp material and feed shrimp, heavy in the process of throwing something and feedingThe fish that water shrimp material is very likely raised together with eats up, and causes the heavy water shrimp material of high value to throw in many and utilization rateLow, thus the economic benefit of raising fish and shrimp affected; Its two, separation net is set, by fishes and shrimps polycultured pondsFishes and shrimps separate and feed, at present raise together with and usedly in pond raise together with separation net and need imbed in advance cultivation at fishes and shrimpsIn the bed mud of pond 20～30 centimetres, surface and be fixed on the timber at 3～5 meters, interval one in upper endAspect, the installation of separation net is comparatively complicated, and installation workload is large, on the other hand, the fixing peace of separation netBe contained in Chi Nizhong, be inconvenient to dismantle, in the time that the output of fishes and shrimps in culturing pool improves, be difficult to timely adjustmentThe position of separation net, increases the purse seine area that heavy water shrimp material is thrown something and fed.
Summary of the invention
The deficiency existing for prior art, the invention provides the purse seine that a kind of fishes and shrimps are raised together with, this purse seineFishes and shrimps can be separated and fed, effectively reduce shrimp feedstuff feeding amount, improve shrimp efficiency of feed utilization, increase and supportThe economic benefit of growing.
In order to achieve the above object, the technical scheme that the present invention takes:
The purse seine that fishes and shrimps are raised together with, comprises some fixed legs and some net sheets, described net sheet andFixed leg composition enclosed construction, the bottom of described net sheet is equipped with heavy mesh bag, and the mesh of described net sheet is straightFootpath is 3～4cm.
As optimal technical scheme, in order to make purse seine be applicable to the culturing pool that shape is changeable, improve and be suitable forProperty, ensure the input of convenient heavy water material simultaneously, thereby be beneficial to the feed of shrimp, described net sheet and fixed legBe combined into rectangle structure.
As optimal technical scheme, for ensure the size of net sheet be convenient to buy, improve purse seine installConvenience, the length of described net sheet be 3 or 5m, width be 1.5m.
As optimal technical scheme, in order effectively to stop fish to enter in purse seine, from the bottom of net sheet simultaneouslyEnsure the firm of net sheet and be convenient to remove and install, described heavy mesh bag is set to fill the canvas bag of sand.
Compared with prior art, the beneficial effect that the present invention has:
1, net sheet and fixed leg composition enclosed construction, and the mesh diameter of net sheet arranges rationally, and establishesHave heavy mesh bag, simple in structure firm, be easy to realize, effectively will raise together with fish and be isolated in outside enclosed construction,Realize fish and shrimp and separate and feed, effectively reduce shrimp feedstuff feeding amount, improve the utilization rate of shrimp feed, increaseAdd the economic benefit of cultivation.
2, net sheet and fixed leg are combined into rectangle structure, and being substantially applicable to existing structure is rectangleCultivating pool, simultaneously can according to fishes and shrimps output number, arbitrarily the quantity of combinational network sheet realizes and enclosingThe change of web area size, convenient and practical.
3, the size of net sheet rationally arranges according to the specification of market current material, improves purse seine and installsConvenience; Heavy mesh bag is set to fill the canvas bag of sand simultaneously, has both ensured that net sheet was firm, simultaneouslyGuarantee net sheet is convenient to remove and install.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is structural representation of the present invention;
Drawing reference numeral: 1, fixed leg, 2, net sheet, 3, heavy mesh bag, 4, static line.
Detailed description of the invention
Propose as shown in Figure 1 a kind of specific embodiment of the present invention, the purse seine that a kind of fishes and shrimps are raised together with, comprisesSome fixed leg 1 and the some net sheets 2 that diameter is 10cm wooden stick, described net sheet 1 is by solidSurely restrict and 4 be fixed on fixed leg 1, be combined into enclosed construction, consider fixing steadiness, fixed legThe height of 1 height net sheet 2, according to smooth situation, the size of culturing pool bottom with raise together with fishes and shrimpsDifferent output, the arbitrarily quantity of combinational network sheet 2 and fixed leg 1, change enclosed construction areaSize, the bottom of described net sheet 2 is equipped with heavy mesh bag 3, and the mesh diameter of described net sheet 1 is 3～4cm, the mesh of 3～4cm can allow shrimp free in and out, and restriction is raised together with fish and is entered purse seine.
Described net sheet 2 and fixed leg 1 are combined into rectangle structure, and rectangle structure is convenient to throw on the one handShrimp material, can provide larger feeding area area to prawn on the other hand, facilitates the feed of prawn,Can be according to cultivating pool shape and size, net sheet 2 and fixed leg 1 are combined into different areaRectangle structure, applicability is high.
Consider the norms & sizes of material of existing market, for the ease of buying, the length of described net sheet 2Be 3 or 5m; The water level depth of considering existing polycultured ponds is generally 1.1m left and right, described net sheet2 width is 1.5m, can meet preferably the service condition of existing polycultured ponds, applied widely.
Consider that heavy mesh bag 3 steeps in muddy water for a long time, be very easily corroded, can effectively stop and raise together with simultaneouslyFish enters in purse seine from the bottom of net sheet 2, and convenient adjustment changes because of the raising of raising together with fish and shrimp outputThe size that becomes purse seine, described heavy mesh bag 3 is set to fill the canvas bag of sand.
When the present invention uses: consider the steadiness of purse seine and be convenient to install, according to the physical features of cultivating poolCondition, selects the comparatively smooth region of one or several places physical features that purse seine is installed; First at heavy mesh bag 3In pack sand into, secondly fixed leg 1 is fixed in smooth region, finally by net sheet by fixingRope 4 is fixed on fixed leg 1, according to pond size and fishes and shrimps output number, cross accordinglyThe prawn feed rectangular region of throwing something and feeding.
While throwing something and feeding, first throw with automatic feeder the fish material nursing of swimming and raise together with fish after 1 hour, then startThe heavy water shrimp material of throwing something and feeding is fed prawn, and prawn feed is evenly thrown in purse seine.
Certainly, just by reference to the accompanying drawings the preferred embodiments of the disclosure has been done to retouch in detail aboveState, not limit practical range of the present invention with this, all according to principle of the present invention, structure and structureThe equivalence of doing changes, and all should be covered by protection scope of the present invention.
Claims (4)
1. the purse seine that fishes and shrimps are raised together with, comprises some fixed legs (1) and some net sheets (2),It is characterized in that: described net sheet (1) and fixed leg (2) composition enclosed construction, described net sheet (2)Bottom be equipped with heavy mesh bag (3), the mesh diameter of described net sheet (2) is 3～4cm.
2. the purse seine that a kind of fishes and shrimps are raised together with according to claim 1, is characterized in that: described netSheet (2) and fixed leg (1) are combined into rectangle structure.
3. the purse seine that a kind of fishes and shrimps are raised together with according to claim 2, is characterized in that: described netThe length of sheet (2) be 3 or 5m, width be 1.5m.
4. the purse seine of raising together with according to a kind of fishes and shrimps described in claim 1～3 any one, its feature existsIn: described heavy mesh bag (3) is set to fill the canvas bag of sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050867.7A CN105594641A (en) | 2016-01-26 | 2016-01-26 | Purse net for polyculture of fish and prawn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050867.7A CN105594641A (en) | 2016-01-26 | 2016-01-26 | Purse net for polyculture of fish and prawn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105594641A true CN105594641A (en) | 2016-05-25 |
Family
ID=55975462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610050867.7A Pending CN105594641A (en) | 2016-01-26 | 2016-01-26 | Purse net for polyculture of fish and prawn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105594641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396869A (en) * | 2017-07-14 | 2017-11-28 | 重庆市永川区兴旺食用菌有限公司 | One kind, which is breeded fish, uses fence |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564023A (en) * | 2009-04-28 | 2009-10-28 | 大连水产学院 | Middle breeding method for large-specification seedlings of perineris aibihitensis grube |
| CN101692795A (en) * | 2009-10-21 | 2010-04-14 | 李宝明 | Method for culturing crabs in seawater by using breeding cage |
| CN103583431A (en) * | 2013-11-10 | 2014-02-19 | 华中农业大学 | Method for mainly culturing yellow catfishes and carrying out polyculture on other feeding fishes in pond |
| CN203788902U (en) * | 2014-03-21 | 2014-08-27 | 浙江省海洋水产研究所 | Fixed river culture cage |
| CN205511627U (en) * | 2016-01-26 | 2016-08-31 | 钦州学院 | Purse seine that fishes and shrimps were raised together with |
-
2016
- 2016-01-26 CN CN201610050867.7A patent/CN105594641A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101564023A (en) * | 2009-04-28 | 2009-10-28 | 大连水产学院 | Middle breeding method for large-specification seedlings of perineris aibihitensis grube |
| CN101692795A (en) * | 2009-10-21 | 2010-04-14 | 李宝明 | Method for culturing crabs in seawater by using breeding cage |
| CN103583431A (en) * | 2013-11-10 | 2014-02-19 | 华中农业大学 | Method for mainly culturing yellow catfishes and carrying out polyculture on other feeding fishes in pond |
| CN203788902U (en) * | 2014-03-21 | 2014-08-27 | 浙江省海洋水产研究所 | Fixed river culture cage |
| CN205511627U (en) * | 2016-01-26 | 2016-08-31 | 钦州学院 | Purse seine that fishes and shrimps were raised together with |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396869A (en) * | 2017-07-14 | 2017-11-28 | 重庆市永川区兴旺食用菌有限公司 | One kind, which is breeded fish, uses fence |
| CN107396869B (en) * | 2017-07-14 | 2024-04-05 | 广元市生态渔业发展有限公司 | Fish culture by fencing |
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| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |
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