CN1839685A - Intensified-bred eel net cage - Google Patents
Intensified-bred eel net cage Download PDFInfo
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- CN1839685A CN1839685A CNA200610020209XA CN200610020209A CN1839685A CN 1839685 A CN1839685 A CN 1839685A CN A200610020209X A CNA200610020209X A CN A200610020209XA CN 200610020209 A CN200610020209 A CN 200610020209A CN 1839685 A CN1839685 A CN 1839685A
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- net cage
- cage
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- bred
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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
This invention relates to the field of cultivation, especially it is a kind of net cage for intensive culturing sillagos in water. In order to meet to the environment need of sillagos physiology, a smaller net cage 4 with taking several sillagos layers 7 is set in a bigger net cage 3 that is used to prevent the sillagos from escaping, and the largest net hole diameter of the net cage 3 is smaller than the body diameter of the smallest sillagos, and the sillagos layers 7 can be made of fishnet or non-slub fabric or others. The sillagoses can inhabit on any sillagos layer 7 according to their living needs, especially they can stay on the topside to breath. This invention provides a cultivation equipment matches with sillagos living characteristics. In the net cage, sillagoses can inhabit in places of different water depth and different water temperature. This equipment can be used in reservoir or river to intensive culturing sillagoses, and cultivation and catching is convenient, survival rate and output is high.
Description
Technical field
The present invention relates to the cultural technique field, particularly a kind of net cage that carries out intensified-bred eel in the water that is placed on.
Background technology
Yellow eel is difficult to pause for a long time in the middle level of water because of the physiological structure of no fin and float for fishing, can only could pause, carry out normal life and breeding for a long time in the mud hole of the physical entity that support yellow eel health is arranged such as ground, pond or pool wall.Intensified-bred eel does not solve yellow eel in the long-time difficult problem of pausing in the middle level of water in the prior art, only has research more on the composition of bait.Chinese patent 98229432.8 discloses a kind of water vat formula " eel cultivation case ", and this eel cultivation case is made of casing, case lid, filler, and bottom half is to be formed by the brick tiling; The filler bottom is the straw layer, and the second layer is a ply of paper, and the 3rd layer is dirt bed, and the 4th layer is Ni Geng and water.The 4th layer height in the casing both sides leaves water inlet and delivery port.There is a blast pipe to insert the straw layer in filler central authorities.On the 4th layer of mud ridge of filler and the water-water reactor block mud ridge is cuboid or cone.But this water vat formula " eel cultivation case " can not be applied to carry out in reservoir, the river intensified-bred eel.
Summary of the invention
The purpose of this invention is to provide a kind of net cage that in reservoir, river, carries out the intensified-bred eel of intensified-bred eel.
The structure of the net cage of intensified-bred eel of the present invention is: connect into the fixed frame 1 of sealing with many dead levers 5, connect fishnet 2 on fixed frame 1.The net cage of intensified-bred eel perches the small-sized net cage 4 of usefulness by yellow eel and the large cage 3 of anti-yellow eel escape usefulness is formed, and is set with small-sized net cage 4 in large cage 3, and yellow eel perches in small-sized net cage 4 and large cage 3; Large cage 3 is connected with small-sized net cage 4 usefulness dead levers 5 or flexible material 6, to determine the position range of small-sized net cage 4 in large cage 3; Fishnet 2 apertures of large cage 3 are less than fishnet 2 apertures of small-sized net cage 4, because yellow eel is perching in small-sized net cage 4 and large cage 3, then yellow eel is free movable in small-sized net cage 4 and large cage 3, so fishnet 2 apertures of small-sized net cage 4 are greater than the health of yellow eel; And large cage 3 is anti-yellow eel escape usefulness, and then fishnet 2 apertures of large cage 3 are less than fishnet 2 apertures of small-sized net cage 4, and is less than the health of minimum yellow eel in the large cage 3.Small-sized net cage 4 is formed near the smooth fish layer 7 that carries by two layers at least; Carrying fish layer 7 becomes near smooth structure around being tightened in fixed frame 1 by fishnet 2.Each year of small-sized net cage 4 be separated by a distance between the fish layer 7 to be connected with dead lever 5 or flexible material 6, becomes open state without fishnet 2 sealings all around.Carrying fish layer 7 is main inventive points of the net cage of intensified-bred eel of the present invention, carries the living environment demand of perching that fish layer 7 has solved yellow eel long-time pause in different depth of waters position.
The bottom of large cage 3 is to carry fish layer 7, and purpose increases carries the density that yellow eel is cultured in 7 raising of fish layer.
Small-sized net cage 4 can be established two layers, three layers, four layers and carry fish layer 7, even more than four layers, purpose improves the density of culturing yellow eel, also provides the suitable depth of water and the habitat demand of water temperature for different yellow eel individualities.
The purpose that small-sized net cage 4 is set provides carries a fish layer 7, so small-sized net cage 4 can have only the fish layer 7 of carrying, the sidewall net of net cage not as long as with flexible material 6 connected between the fish layer 7 each year, promptly connects with rope, and the distance between each year fish layer 7 suitably both can.
For adapting to the yellow eel behavior of searching for food, be provided with the bait basket 8 of many apertures in 4 uppermost years on the fish layer 7 at small-sized net cage, bait is placed in the bait basket 8 can not sink.
Above-mentioned fishnet 2 has two effects, being used in large cage 3 is to escape for anti-yellow eel, being used in small-sized net cage 4 is to perch in order to carry yellow eel, and the carrying yellow eel perches preferably with soft weaving face fabric such as non-woven fibre cloth and makes hole that many yellow eels can pass through or the thin plate of the hole that can pass through with many yellow eels.Soft weaving face fabric and thin plate also can not established the hole, can make to carry fish layer 7 equally.
For preventing the yellow eel escape, around large cage 3 openings, be provided with the anti-cover net 9 of escaping in case top, the case top is anti-escape cover net 9 makes large cage 3 openings around be closed, the case top is anti-escape cover net 9 tighten become near smooth face basic parallel with year fish layer 7.When yellow eel anti-when escaping upwards to turn in advance below the cover net 9 from case top, because of action of gravity can not be escaped from the anti-water of escaping to fall into below the cover net 9 large cage 3 in case top.Case top is anti-, and to escape the aperture of cover net 9 identical with fishnet 2 apertures of large cage 3, even do not want the soft weaving face fabric and the thin plate of hole and atresia.
Advantage of the present invention: the life habit that meets yellow eel is provided, the breeding facility of physiological structure, yellow eel can perch in the place of the different depth of waters, different water temperatures, this facility is adapted at the high-density breeding yellow eel of intensifying in reservoir, the river, cultures and catch conveniently, cultures survival rate height, output height.
Description of drawings
Fig. 1 is the user mode perspective view of the net cage of intensified-bred eel;
Fig. 2 is the small-sized net cage (breeding box) of the net cage of intensified-bred eel and the structural representation of large cage (the anti-case of escaping);--1, fishnet--2, large cage--3, small-sized net cage--4, dead lever--5, flexible material-6, carry the fish layer--7, bait basket-8, the anti-cover net of escaping in case top--9 of fixed frame among the figure.
Specific embodiment
Connect into the fixed frame 1 that square yellow eel perches small-sized net cage 4 usefulness of usefulness with many 1.0 meters dead levers 5, small-sized net cage 4 is by the equidistant connection of four fixed frames, 1 usefulness rope, distance between the fixed frame 1 of each small-sized net cage 4 usefulness all is 0.5 meter, it is 0.04 meter yellow eel access opening that each fixed frame 1 usefulness bonded fabric is tightened as carrying a fish layer 7, beat diameter on bonded fabric.
Connect into the fixed frame 1 of square anti-yellow eel escape large cage 3 usefulness with many 1.5 meters dead levers 5.Large cage 3 has two fixed frames 1, one of them fixed frame 1 usefulness bonded fabric is tightened as carrying fish layer 7, the side of two fixed frames 1 is 0.01 meter fishnet sealing with maximum circular aperture, and anti-yellow eel escape large cage 3 being become have only other five face of an opening is that maximum circular aperture is 0.01 meter fishnet or the sealing of non-woven fibre cloth and the aperture that can free in and out water but the bigger large cage 3 of cumulative volume.
Small-sized net cage 4 is placed in the large cage 3, connects to determine the relative position between small-sized net cage 4 and the large cage 3 with dead lever or rope top dead lever with small-sized net cage 4 and large cage 3.
Four openings of putting bait basket 8 are opened at four angles of carrying fish layer 7 in the top of small-sized net cage 4, put into bait basket 8 and it is connected with the dead lever 5 of small-sized net cage 4.
It is a plurality of at last to connect floating drum on the fixed frame 1 of the opening of large cage 3, goes in the reservoir, but just becomes the net cage of intensified-bred eel in reservoir.This net cage yellow eel can small-sized net cage 4 any year fish layer 7 and the bottom of large cage 3 perch life and growth and breeding.
For preventing the yellow eel escape, the anti-cover net 9 of escaping in connecting box top on the fixed frame 1 around large cage 3 openings, the case top is anti-escape cover net 9 makes large cage 3 openings around be closed, the case top is anti-escape cover net 9 tighten become near smooth face basic parallel with year fish layer 7.When yellow eel anti-when escaping upwards to turn in advance below the cover net 9 from case top, because of action of gravity can not be escaped from the anti-water of escaping to fall into below the cover net 9 large cage 3 in case top.Case top is anti-, and to escape the aperture of cover net 9 identical with fishnet 2 apertures of large cage 3.
As embodiment 1, only be to be that 0.04 meter fishnet or non-woven fibre cloth seals into the free flowable net cage wall of water with circular aperture around four of small-sized net cage 4 fixed frames 1 that carry fish layer 7.
As embodiment 1, fishnet 2 usefulness that only will carry fish layer 7 do not have the non-woven fibre cloth in hole.Other is same as embodiment 1.
Claims (9)
1, the net cage of intensified-bred eel comprises the large cage that side's opening is arranged (3) that fixed frame (1) and fishnet (2) are formed by connecting, and it is characterized in that: also be set with small-sized net cage (4) in large cage (3); Large cage (3) is connected with dead lever (5) or flexible material (6) with small-sized net cage (4), to determine the position range of small-sized net cage (4) in large cage (3); Fishnet (2) aperture of large cage (3) is less than fishnet (2) aperture of small-sized net cage (4); Small-sized net cage (4) is formed near the smooth fish layer (7) that carries by two layers at least; Carry fish layer (7) and be by being connected and tightening around fishnet (2) and the fixed frame (1) and become approaching smooth structure.
2, the net cage of intensified-bred eel according to claim 1 is characterized in that: the bottom of large cage (3) is to carry fish layer (7).
3, the net cage of intensified-bred eel according to claim 1 is characterized in that: small-sized net cage (4) is provided with three layers and carries fish layer (7).
4, the net cage of intensified-bred eel according to claim 1 is characterized in that: small-sized net cage (4) is provided with four layers and carries fish layer (7).
5, the net cage of intensified-bred eel according to claim 1 is characterized in that: small-sized net cage (4) has only the fish layer (7) of carrying, and each carries between the fish layer (7) and connects with flexible material (6).
6, the net cage of intensified-bred eel according to claim 1 is characterized in that: flexible material (6) is a rope.
7, the net cage of intensified-bred eel according to claim 1 is characterized in that: year fish layer (7) that small-sized net cage (4) is gone up most is provided with the bait basket (8) of many apertures.
8, the net cage of intensified-bred eel according to claim 1 is characterized in that: fishnet (2) is fishnet, soft weaving face fabric or thin plate a certain of fishing usefulness.
9, the net cage of intensified-bred eel according to claim 1 is characterized in that: around large cage (3) opening, be provided with the anti-cover net (9) of escaping in case top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610020209XA CN1839685A (en) | 2006-01-23 | 2006-01-23 | Intensified-bred eel net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200610020209XA CN1839685A (en) | 2006-01-23 | 2006-01-23 | Intensified-bred eel net cage |
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| Publication Number | Publication Date |
|---|---|
| CN1839685A true CN1839685A (en) | 2006-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200610020209XA Pending CN1839685A (en) | 2006-01-23 | 2006-01-23 | Intensified-bred eel net cage |
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| CN (1) | CN1839685A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472413A (en) * | 2015-01-16 | 2015-04-01 | 余庆毛巴渔业开发有限公司 | Method for net cage fish culture |
| CN109042423A (en) * | 2018-06-20 | 2018-12-21 | 李媛 | A kind of aquatic product cultivation net cage |
| CN112237158A (en) * | 2020-11-06 | 2021-01-19 | 简阳市大众养殖有限责任公司 | Industrial finless eel fry cultivation method |
-
2006
- 2006-01-23 CN CNA200610020209XA patent/CN1839685A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104472413A (en) * | 2015-01-16 | 2015-04-01 | 余庆毛巴渔业开发有限公司 | Method for net cage fish culture |
| CN104472413B (en) * | 2015-01-16 | 2017-05-24 | 余庆毛巴渔业开发有限公司 | Method for net cage fish culture |
| CN109042423A (en) * | 2018-06-20 | 2018-12-21 | 李媛 | A kind of aquatic product cultivation net cage |
| CN109042423B (en) * | 2018-06-20 | 2022-03-15 | 李媛 | Aquatic product culture net cage |
| CN112237158A (en) * | 2020-11-06 | 2021-01-19 | 简阳市大众养殖有限责任公司 | Industrial finless eel fry cultivation method |
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