CN205093372U - Fry domestication box with a net - Google Patents
Fry domestication box with a net Download PDFInfo
- Publication number
- CN205093372U CN205093372U CN201520845053.3U CN201520845053U CN205093372U CN 205093372 U CN205093372 U CN 205093372U CN 201520845053 U CN201520845053 U CN 201520845053U CN 205093372 U CN205093372 U CN 205093372U
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- China
- Prior art keywords
- net
- intranet
- fry
- domestication
- bar
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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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- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model discloses a fry domestication box with a net, including net upset frame frame, first domestication district and second domestication district, be provided with first intranet and first china net in the first domestication district, first china net sets up in first intranet below, and online mesh is lighter than online mesh in first in first, and the upper portion of first china net is fixed on net upset frame frame, and the upper portion of first intranet is fixed in net upset frame frame is gone up or be first on the net, be provided with second intranet and second china net in the second domestication district, second china net sets up in second intranet below, and online mesh is lighter than online mesh in the second in the second, and the upper portion of second china net is fixed on net upset frame frame, and the upper portion of second intranet is fixed on net upset frame frame or in the second on the net, still be provided with the spacer screen in the net upset frame frame, first intranet, first china net, second intranet and second china net all set up in the inner chamber that the spacer screen formed. Bait can be practiced thrift, the survival rate of fry is improved by a wide margin.
Description
Technical field
The utility model relates to aquaculture field, particularly relates to the method for a kind of fry domestication net cage and domestication fry thereof.
Background technology
Perch is carnivorous grazing eclipse fish, during artificial feeding, due to live bait lazy weight and feeding high in cost of production reason, needs perch to tame into gulp down feeding fish.Treat that fry opens about 15mm and can start domestication, first right place throws in live bait 2 to 3 days, after fry custom fixed point is ingested, throw in all kinds of summer flowers, fresh small fish, the strip flesh of fish, tadpole, spiral shell meat, aquatic insect etc. of just having die and eat transition raw, after fry adapts to, reduce gradually and eat ratio raw, increase artifical compound feed, feed artificial feed until change completely, namely complete the process of domestication.
At present, fry domestication is carried out, because perch is predacious fish in pond, in domestication process, there will be the phenomenon that advanced fry eats hatching, therefore, after the differentiation of fry body length, need whole fry to salvage, adopt fish sieve advanced fry and hatching to be separated.Due to the area more than at least 1 mu in pond, area is too large, be not easy fry to be focused on a release position, need many places bait throwing in, and due to pond area large, release position fry density is low, the bait thrown in much sinks at the bottom of pond, is not absorbed by fry, causes bait to waste, and too much bait is deposited at the bottom of pond, easily cause pond eutrophication; Meanwhile, adopt fish screening to select large and small fry, easily make fry injured even dead, therefore through fish sieve select advanced fry, hatching survival rate generally only have about 85%.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of fry domestication net cage, adopts this fry to tame net cage domestication fry, not only can save bait, and significantly can improve the survival rate of fry.
What the utility model solved that its technical problem adopts comprises net cage frame, is provided with the first domestication district and the second domestication district in described net cage frame inside in the horizontal direction;
Net in the first Intranet and first made with flexible material is provided with in described first domestication district, in described first, net to be arranged on below the first Intranet and to be included in its inner chamber by the first Intranet, mesh online in described first is less than mesh online in first, in described first, the top of net is fixed on net cage frame, and the top of described first Intranet to be fixed on net cage frame or online in first;
Net in the second Intranet and second made with flexible material is provided with in described second domestication district, in described second, net to be arranged on below the second Intranet and to be included in its inner chamber by the second Intranet, mesh online in described second is less than mesh online in second, in described second, the top of net is fixed on net cage frame, and the top of described second Intranet to be fixed on net cage frame or online in second;
Also be provided with spacer screen in described net cage frame, net in the first Intranet and first in described first domestication district, and in the second Intranet and second in described second domestication district, net is all arranged in the inner chamber that described spacer screen formed.
Further, according to the first domestication district and the second domestication parallel arranged direction, district, fixed mount on net cage frame to be placed with successively in the first outer bar, first bar and the second outer bar in bar, second, netting corresponding both sides in described first is fixedly connected in the first outer bar and first on bar, nets corresponding both sides and be fixedly connected on bar and the second outer bar in second in described second.
Further, described first Intranet is movably connected in the first outer bar and first on bar, and described second Intranet to be movably connected in second on bar and the second outer bar.
Further, net cage frame is provided with the chute of above-below direction.
Further, the mesh of described second Intranet is greater than the mesh of described first Intranet.
The beneficial effects of the utility model are: adopt fry of the present utility model to tame net cage domestication fry, because the area of net cage is little, fry is concentrated, bait is only thrown in net cage, bait can be saved, and the process of sorting advanced fry, hatching, because the first Intranet and the second Intranet detach in water, fry can not be subject to the injury of mesh; When simultaneously fry is by netting in net and second in first, due to fry be in water voluntarily travelling through, the situation that fry comes to harm also obviously reduces and reduces, and the survival rate of fry, all more than 95%, substantially increases the survival rate of fry.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model;
Fig. 2 is schematic front view when using fry of the present utility model domestication net cage domestication fry;
Fig. 3 be wherein a kind of tame fry rotation domestication district time net cage schematic diagram;
Net cage schematic diagram when Fig. 4 is another kind of domestication fry rotation domestication district;
Mark in figure: 1-fishpond, 2-net cage frame, 3-first tames district, 31-first Intranet, net in 32-first, 4-second tames district, 41-second Intranet, net in 42-second, 5-spacer screen, 6-fixed mount, 7-chute, bar in 81-first, the outer bar of 82-first, bar in 91-second, the outer bar of 92-second.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, fry domestication net cage of the present utility model is comprised net cage frame 2, be as the criterion with intensity so that overall fixing can be met.Being provided with at least two domestication districts in the horizontal direction in the inside of net cage frame 2, is the first domestication district 3 on the left side and the second domestication district 4 on the right in Fig. 1.
As shown in Figure 2, in the first domestication district 3, net 32 in the first Intranet 31 and first made with flexible material is provided with.The inner chamber formed in first Intranet 31 is the domestication behaviour area of domestication fry; In first, net 32 is arranged on below the first Intranet 31, and the first Intranet 31 is included in its inner chamber.Width of mesh in first Intranet 31 can not be as the criterion through mesh with fry to be tamed, otherwise fry is through the effect entered after mesh by impact domestication and cultivation in the inner chamber of net 32 in first.Width of mesh in first on net 32 is so that through domestication with after cultivating, in applicable fish pond, the fry of nursing or sale can not through being as the criterion.Therefore, the mesh in the first Intranet 31 is less than the mesh in first on net 32.In described first, the top of net 32 is fixed on net cage frame 2, and the top of described first Intranet 31 to be fixed on net cage frame 2 or in first on net 32.
As shown in Figure 2, also net 42 in the second Intranet 41 and second made with flexible material is provided with in second domestication district 4, and net 32 is identical in the second Intranet 41 is tamed in district 3 with the mounting structure and first of net in second 42 first Intranet 31 and first, namely net 42 to be arranged on below the second Intranet 41 and to be included in its inner chamber by the second Intranet 41 in second, the width of mesh of the second Intranet 41 can not be as the criterion through its mesh to enter fry to be hatched in the second domestication district 4, width of mesh in second on net 42 is so that through domestication with after cultivating, in applicable fish pond, nursing or sale fry can not through being as the criterion, therefore, mesh in second Intranet 41 is less than the mesh in second on net 42.In described second, the top of net 42 is fixed on net cage frame 2, and the top of described second Intranet 41 to be fixed on net cage frame 2 or in second on net 42.As the second domestication district 4 is tamed as the secondary behind the first domestication district 3 and cultivates, the mesh of its second Intranet 41 is suitably greater than the width of mesh in the first Intranet 31 according to the growth size of fry, but is also less than in the applicable fish pond in second on net 42 size of feeding or selling fry mesh.
As shown in Figure 2, in net cage frame 2, be also provided with spacer screen 5, net 32 in the first Intranet 31 and first in the first domestication district 3, and in the second Intranet 41 and second in the second domestication district 4, net 42 is all arranged in the inner chamber that spacer screen 5 formed.
Adopt fry of the present utility model to tame the method for net cage domestication fry, comprise the following steps:
A, fry is tamed net cage be placed in fishpond 1, fry to be tamed is put in the first Intranet 31 in the first domestication district 3, carry out taming and cultivating; Mesh due to the first Intranet 31 is less than the size of fry, and fry can not swim out of the first Intranet 31 from mesh;
B, through domestication after a while and cultivation, after fry meets the requirements, extract the first Intranet 31 out first domestication district 3, fry to enter in first in net 32; Because the first Intranet 31 adopts flexible material, and adopt the mode detached, injury can not be produced to fry, improve the survival rate of fry;
C, enter the fry in net 32 in first, treat that fry that body footpath is less than net 32 mesh in first enters in spacer screen 5 through the mesh of net 32 in first, the fry that body footpath is greater than net 32 mesh in first to be stayed in first after in net 32, mentions net 32 in first; Pull out being applicable to rendering in fish pond the fry of feeding or selling;
D, net 42 in the second Intranet 41 and second in the second domestication district 4 is all placed on the bottom of spacer screen 5, again the inner chamber of the fry of staying in step C in spacer screen 5 by the second Intranet 41 is caught, then mention net 42 in the second Intranet 41 and second and be fixed on net cage frame 2;
E, tame the fry in the inner chamber of the second Intranet 41 and cultivate, through domestication after a while and cultivation, after fry meets the requirements, extract the second Intranet 41 out second domestication district 4, fry to enter in second in net 42;
F, enter the fry in net 42 in second, treat that fry that body footpath is less than net 42 mesh in second enters in spacer screen 5 through the mesh of net 42 in second, the fry that body footpath is greater than net 42 mesh in second to be stayed in second after in net 42, mentions net 42 in second;
G, net 32 in the first Intranet 31 and first in the first domestication district 3 is all placed on the bottom of spacer screen 5, again the inner chamber of the fry of staying in F step in spacer screen 5 by the first Intranet 31 is caught, then mention net 32 in the first Intranet 31 and first and be fixed on net cage frame 2;
H, according to the domestication of fry and the situation of cultivation, for also not meeting the fry rendered in fish pond and feed or sell, circulation step B ~ G carries out taming and cultivating, until all fries complete domestication and cultivate.
Adopting in above-mentioned fry domestication net cage domestication fry process, because the first Intranet 31 and the second Intranet 41 detach in water, fry can not be subject to the injury of mesh; Simultaneously fry is by net in first 32 and second during net 42, due to fry be in water voluntarily travelling through, the situation that fry comes to harm also obviously reduces and reduces.
As shown in Figure 4, as preferred mode, first net 42 in the second Intranet 41 and second in step D is placed on the bottom of spacer screen 5, then extracts the first Intranet 31 in step B out first domestication district 3.After mentioning in first net 32 like this, remaining fry more easily catches with net 42 in the second Intranet 41 and second.
As preferred mode, first net 32 in the first Intranet 31 and first in step G is placed on the bottom of spacer screen 5, then extracts the second Intranet 41 in step e out second domestication district 4.After mentioning in second net 42 like this, remaining fry more easily catches with net 32 in the first Intranet 31 and first.
If after by the second domestication, district 4 tames and cultivates, be not suitable for the fry of feeding in fish pond or selling less time, in order to cost-saving, before circulation step B, the fry that in the first Intranet 31 in the first domestication district 3, interpolation is new.
As shown in Figure 1, Figure 3 and Figure 4, as preferred embodiment, according to the first domestication district 3 and the second domestication parallel arranged direction, district 4, fixed mount 6 on net cage frame 2 to be placed with successively in the first outer bar 82, first bar 91 and the second outer bar 92 in bar 81, second, in described first, the both sides of net 32 correspondence are fixedly connected in the first outer bar 82 and first on bar 81, and in described second, the both sides of net 42 correspondence are fixedly connected on bar 91 and the second outer bar 92 in second.During domestication fry, in the first outer bar 82, first, in bar 81, second, bar 91 and the second outer bar 92 are placed on the fixed mount 6 on net cage frame 2, prevent movement and the landing of net 42 in net 32, second in first.And owing to be provided with in above-mentioned first outer bar 82, first bar 91 and the second outer bar 92 in bar 81, second, when net 42 in net in first 32, second being mentioned the fry pulled out and be applicable to rendering in fish pond and feed or sell, be convenient to grip; As shown in Figure 3 and Figure 4, by when net 42 is placed on the bottom of spacer screen 5 in the second Intranet 41 and second, bar 91 in second is placed on the bottom of spacer screen 5 simultaneously, the second outer bar 92 is placed on fixed mount 6.In like manner, by when net 32 is placed on the bottom of spacer screen 5 in the first Intranet 31 and first, bar 81 in first is placed on the bottom of spacer screen 5 simultaneously, the first outer bar 82 is placed on fixed mount 6.To be subject in first the weight of bar 91 and the control of length in bar 81 and second, to prevent in the first Intranet 31, first when net 42 is placed on the bottom of spacer screen 5 in net 32, second Intranet 41 and second and wave with current, and be convenient to mention.Prevent from waving and be convenient to mention effect to further improve, net cage frame 2 is also provided with the chute 7 of above-below direction, by when in bar in first 81 and second, bar 91 is put to spacer screen 5 and mentions, in first, in bar 81 and second, bar 91 moves up and down along chute 7.
Owing to being in flexible state when the first Intranet 31, second Intranet 41 detaches from water, therefore, described first Intranet 31 adopt tie up, the mode such as bonding to be movably connected in the first outer bar 82 and first on bar 81, described second Intranet 41 adopt tie up, the mode such as bonding to be movably connected in second on bar 91 and the second outer bar 92, when needing to detach, unclamp fixing, just can conveniently detach.
Claims (5)
1. fry domestication net cage, comprises net cage frame (2), it is characterized in that: be provided with the first domestication district (3) and the second domestication district (4) in the horizontal direction in described net cage frame (2) inside;
Net (32) in the first Intranet (31) and first made with flexible material is provided with in described first domestication district (3), in described first, net (32) is arranged on the first Intranet (31) below and is included in its inner chamber by the first Intranet (31), mesh on described first Intranet (31) is less than the mesh on net in first (32), in described first, the top of net (32) is fixed on net cage frame (2), the top of described first Intranet (31) be fixed on net cage frame (2) upper or first on net (32);
Net (42) in the second Intranet (41) and second made with flexible material is provided with in described second domestication district (4), in described second, net (42) is arranged on the second Intranet (41) below and is included in its inner chamber by the second Intranet (41), mesh on described second Intranet (41) is less than the mesh on net in second (42), in described second, the top of net (42) is fixed on net cage frame (2), the top of described second Intranet (41) be fixed on net cage frame (2) upper or second on net (42);
Spacer screen (5) is also provided with in described net cage frame (2), net (32) in the first Intranet (31) and first in described first domestication district (3), and in the described second second Intranet (41) and second of taming in district (4), net (42) is all arranged in the inner chamber that described spacer screen (5) formed.
2. fry domestication net cage as claimed in claim 1, it is characterized in that: according to the first domestication district (3) and the second domestication district (4) parallel arranged direction, fixed mount (6) on net cage frame (2) is placed with successively the first outer bar (82), bar (81) in first, bar (91) and the second outer bar (92) in second, the both sides that in described first, net (32) is corresponding to be fixedly connected in the first outer bar (82) and first on bar (81), the both sides that in described second, net (42) is corresponding are fixedly connected on bar in second (91) and the second outer bar (92).
3. fry domestication net cage as claimed in claim 2, it is characterized in that: described first Intranet (31) is movably connected in the first outer bar (82) and first on bar (81), described second Intranet (41) is movably connected on bar in second (91) and the second outer bar (92).
4. fry tames net cage as claimed in claim 2 or claim 3, it is characterized in that: the chute (7) being provided with above-below direction on net cage frame (2).
5. fry tames net cage as claimed any one in claims 1 to 3, it is characterized in that: the mesh of described second Intranet (41) is greater than the mesh of described first Intranet (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845053.3U CN205093372U (en) | 2015-10-28 | 2015-10-28 | Fry domestication box with a net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520845053.3U CN205093372U (en) | 2015-10-28 | 2015-10-28 | Fry domestication box with a net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205093372U true CN205093372U (en) | 2016-03-23 |
Family
ID=55509185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520845053.3U Expired - Fee Related CN205093372U (en) | 2015-10-28 | 2015-10-28 | Fry domestication box with a net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205093372U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165693A (en) * | 2015-10-28 | 2015-12-23 | 新津兴天地农业开发有限公司 | Fish fry domestication net cage and fish fry domestication method thereof |
| CN115039724A (en) * | 2022-06-30 | 2022-09-13 | 中国水产科学研究院淡水渔业研究中心 | Environment simulation system and fish domestication method |
-
2015
- 2015-10-28 CN CN201520845053.3U patent/CN205093372U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165693A (en) * | 2015-10-28 | 2015-12-23 | 新津兴天地农业开发有限公司 | Fish fry domestication net cage and fish fry domestication method thereof |
| CN115039724A (en) * | 2022-06-30 | 2022-09-13 | 中国水产科学研究院淡水渔业研究中心 | Environment simulation system and fish domestication method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20171028 |