CN104054600A - Cultivation net case for increasing utilization ratio of granular fish feed - Google Patents
Cultivation net case for increasing utilization ratio of granular fish feed Download PDFInfo
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- CN104054600A CN104054600A CN201410164567.2A CN201410164567A CN104054600A CN 104054600 A CN104054600 A CN 104054600A CN 201410164567 A CN201410164567 A CN 201410164567A CN 104054600 A CN104054600 A CN 104054600A
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- net cage
- etting
- crossbeam
- fish meal
- fish
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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 relates to the technical field of cultivation net cases, and discloses a cultivation net case for increasing the utilization ratio of granular fish feed. The cultivation net case comprises a net case fixing bracket and a mesh, wherein the net case fixing bracket comprises four uprights; floating blocks are arranged at the upper end of the mesh; an upper fixing seat and a lower fixing seat are respectively arranged at the upper end and the lower end of each upright; sliding rings are arranged on steel cables; the side edge of the mesh is connected with the sliding rings through ropes; heavy blocks are arranged at the bottom of the mesh; a plurality of baffles parallel to each other are arranged between the outer sides of every two adjacent uprights; the baffles are rotationally connected with the uprights; the baffles are connected with the uprights through tension springs; stay cords are arranged at the two ends of each baffle; a hook is arranged at the upper end of each stay cord; an upper hook seat is arranged at the upper end of each upright; a lower hook seat is arranged on the upper fixing seat; a connecting rod is arranged between the upper ends of every two uprights; a cross beam is arranged between every two connecting rods; a tapered feeding hopper is fixed on the lower side of each cross beam. Therefore, the cultivation net case has the benefits that baits can be effectively prevented from being washed away by water flow, the bait utilization ratio is increased, and the feeding cost is lowered.
Description
Technical field
The present invention relates to fish culture net cage technical field, relate in particular to a kind of fish culture net cage that improves graininess fish meal availability.
Background technology
Development along with culture fishery, cage culture is more and more universal, fish culture in net pen be by pond close put intensive culture technology apply to environmental condition superior compared with the large water surface, obtain the intensive breeding way of a kind of height of high yield, can save excavation Xu Yong soil, fishpond, labour, after investment, produce effects fast, fish culture in net pen can make full use of water body and erbium material is biological, implementation is raised together with, dense stocking, survival rate is high, can reach the object of achieving higher output, breeding cycle is short, convenient management, there is maneuverability, advantage easy and simple to handle, fish density in net cage is higher, in order to keep the dissolved oxygen of fish abundance, net cage has certain flow around, some net cage is even arranged in mobile river, so just bring new problem, at present a lot of fish feeds are all granular solid, in the process feeding intake, after a large amount of graininess fish meals drop in net cage simultaneously, fish meal is eaten up and is needed a process from putting into by fish, a lot of fish meals have just been washed away by extraneous current after entering the water surface, cause fish meal waste.
Chinese patent Granted publication number: CN20343554U, February 19 2014 Granted publication day, disclose a kind of side's fence combined type and can relate to net cage for sea farming equipment by balance snorkeling fish culture net cage, comprise net cage frame, etting, connection tracheae and gas main and submerging and surfacing device, net cage frame is " mouth " font side fence frame unit and is connected to each other and fixing forms by a plurality of overlooking, and each " mouth " font side fence frame unit is connected and composed by vertical buoyancy tube and horizontal buoyancy tube.In vertical buoyancy tube, set up air water control valve, can make upper and lower tube chamber realize minute chamber and control intake and exhaust water, effectively avoid occurring net cage rollover accident, can realize the hovering of net cage substep balance snorkeling, high buoyancy, a high position are floated.Its weak point is this kind of fish culture net cage while feeding intake, and fish meal is easily flushed away, and causes fish meal waste a lot, has increased aquaculture cost.
Summary of the invention
When the present invention throws in fish meal in order to overcome fish culture net cage of the prior art, fish meal is easily washed away and causes waste by current, fish meal availability is low, feed the high deficiency of cost, when being provided, a kind of feeding intake can effectively prevent that fish meal from being washed away by current, improve fish meal availability, reduce the fish culture net cage of feeding cost.
To achieve these goals, the present invention adopts following technical scheme:
A kind of fish culture net cage that improves graininess fish meal availability, comprise net cage fixed support and etting, it is characterized in that, described net cage fixed support comprises four vertical rods, the upper end open place of etting is provided with floating block around, the two ends up and down of described vertical rod are respectively equipped with upper fixed seat, lower fixed seat, between upper fixed seat and lower fixed seat, be provided with cable wire, cable wire is provided with slip ring, the side of described etting is connected with slip ring by rope, the bottom of etting is provided with heavy, between two adjacent vertical rod outsides, be provided with some baffle plates that are parallel to each other, the inner of baffle plate is by being rotationally connected between rotation seat and vertical rod, between the downside of baffle plate and vertical rod, by extension spring, be connected, the middle part, two ends of baffle plate is also provided with stay cord, stay cord is all fixedly connected with every baffle plate, the upper end of stay cord is provided with hook, the upside that the upper end of vertical rod is positioned at upper fixed seat is provided with hook base, upper fixed seat is provided with lower draw-bar seat, between the upper end of vertical rod, be provided with connecting rod, wherein between two connecting rods, be provided with crossbeam, the downside of described crossbeam is fixed with the opening up funnel that feeds intake, the described funnel that feeds intake is tapered, its lower end is provided with some material-dropping holes.
Etting is fixed on river by net cage fixed support, in the ripple of lake, etting lower end sinks under the effect of heavy, float by floating block in etting upper end, etting surrounding is connected spacing by draw ring with cable wire, etting integral body is drawn as a cube breeding spaces, in the breeding spaces of fish culture in etting, hook is connected with upper hook base at ordinary times, baffle plate is in level, between baffle plate and baffle plate, there is larger gap, be convenient to current process, for net cage provides enough dissolved oxygens, when needs feed intake, hook is connected with lower draw-bar seat, baffle plate under the effect of extension spring in vertical position, gap between baffle plate is blocked by baffle plate, the surrounding of net cage is by guard seal like this, then fish meal is poured in the funnel that feeds intake, fish meal will fall in net cage from material-dropping hole, fish meal can not washed away by current after throwing in, availability is high, thereby reduction aquaculture cost, bait was thrown in after a period of time, again pulling rope by hook, make baffle plate in level, keep the inside and outside flow of net cage.
As preferably, on described crossbeam, be positioned at the funnel that feeds intake directly over be provided with vertical slide bar, slide bar is through being slidably connected between crossbeam and crossbeam, the axis conllinear of the axis of described slide bar and the funnel that feeds intake, the lower end of slide bar is provided with piston, the upper end of slide bar is provided with limiting plate, position on slide bar between limiting plate and crossbeam is arranged with stage clip, the both sides that are positioned at slide bar on crossbeam are also provided with supporting base, supporting seat is provided with rotating shaft, rotating shaft is provided with eccentric wheel, described eccentric wheel is pressed on limiting plate, on crossbeam, be also provided with motor, described motor passes through synchronizing wheel, Timing Belt is connected with rotating shaft.Driven by motor rotating shaft, eccentric wheel rotates, when place, eccentric large footpath contacts with limiting plate, piston side forms annular leakage material gap with the medial surface of the funnel that feeds intake, piston up-down, annular gap size constantly changes, when eccentric path place contacts with limiting plate, slide bar is moved up by the effect of stage clip, piston and the annular gap that between funnel, formation is larger that feeds intake, the fish meal of piston upper end enters piston lower end and supplements fish meal from annular gap, when piston moves downward, annular gap reduces, the fish meal that reduces piston upside enters in annular gap, piston moves up and down repeatedly, fish meal is stirred, assurance discharging is smooth and easy, can also limit rate of feeding simultaneously, the whole process of feeding intake continues for some time, discharging is stable, continue, prevent that a large amount of fish meals from dropping in net cage simultaneously, cause causing waste from net cage bottom dropped out.
As preferably, described motor is adjustable speed motor, and the bottom of the described funnel that feeds intake is hemispherical, and material-dropping hole is positioned on sphere.Can be by regulating the speed of motor to control blanking speed.
As preferably, the upper surface of described piston is the conical surface, and the lower surface of described piston is provided with hairbrush.The conical surface of piston upper end is in order to prevent that fish meal from remaining on piston-top surface, and assurance fish meal can be put in net cage completely; Hairbrush is in order to prevent putty, and in order to keep continuous, stable blanking, material-dropping hole can not offered very large, so just may exist fish meal to stop up material-dropping hole, piston often moves up and down once, and hairbrush all can push once material-dropping hole fish meal around, thereby prevents putty.
As preferably, in described vertical rod, be provided with and dodge hole with the link of extension spring, described extension spring lower end is fixedly connected with the bottom of dodging hole.When baffle plate turns to vertical state, the complete retraction of extension spring is dodged in hole, and between baffle plate, sealing effectiveness is better, prevents from washing away the minim gap of a small amount of fish meal between baffle plate.
As preferably, the bottom of described etting is provided with some hollow buoyancy tubes, and one end of buoyancy tube is connected with gas tube, the other end of buoyancy tube is provided with inlet opening, one end near gas tube in buoyancy tube is provided with piston, and the outer end of gas tube is provided with valve, heavy downside that is suspended on buoyancy tube.Net cage is when installing, the hollow buoyancy tube of etting lower end enters in water under the effect of heavy, water enters in buoyancy tube from inlet opening, the whole sinking in etting lower end, when needs are fished for, because the space in net cage is very large, giving to fish for makes troubles, now from valve, to buoyancy tube, inflate, gas push piston is discharged the moisture of buoyancy tube inside, increase along with buoyancy air in tube, the buoyancy that buoyancy tube is received is during much larger than buoyancy tube self and heavy weight, can rise in etting lower end, the slip ring of etting side is along rope slip, thereby dwindled etting inner space, fish are crypto set more, be convenient to fish for.
As preferably, the bottom of etting is provided with carriage, and the surrounding of carriage is connected with cable wire by slip ring, rope.Carriage supports etting bottom, prevents current etting bottom squeeze distortion and fish are caused to damage when large.
As preferably, the centre of described crossbeam is provided with double end motor, and the axle head of double end motor is respectively equipped with roller, on four angles of openend of etting, is respectively equipped with draw ring, is connected with drag-line on draw ring, and the other end of drag-line is fixedly connected with roller.While fishing for, buoyancy tube floating, double end electric machine rotation simultaneously, drag-line pulls etting openend to move up, and prevents that fish are too intensive and jumps out from etting, so also can make the bottom of etting more approach the water surface, is convenient to very much fish for.
As preferably, the two ends of cable wire are provided with connector, the end of connector is provided with screwed hole, upper fixed seat, lower fixed seat are provided with connecting hole, bolt is connected with the screwed hole on connector through connecting hole, the endoporus aperture of slip ring is greater than the external diameter of connector, and the link lateral surface of connector and cable wire is the conical surface.While fishing for, the upper end of cable wire can drag with upper fixed seat, and after etting rises, slip ring can be deviate from from cable wire upper end, so just whole etting directly can be pulled out to the water surface, and the fish in etting is all directly fished for by etting.
Therefore, the present invention has can effectively prevent that fish meal from being washed away by current, improves fish meal availability, reduces the beneficial effect of feeding cost.Meanwhile, the present invention also has the beneficial effect of being convenient to fish for.
Accompanying drawing explanation
Fig. 1 is that the present invention normally cultivates status architecture schematic diagram.
Fig. 2 is that the present invention is in throwing in fish meal status architecture schematic diagram.
Fig. 3 is the vertical view of Fig. 1.
Fig. 4 is the syndeton schematic diagram of cable wire and upper fixed seat.
Fig. 5 is that in the present invention, piston moves down view.
Fig. 6 is the piston view that moves up in the present invention.
In figure: on heavy of etting 1 vertical rod 2 floating block 3 cable wire 4 slip ring 56 baffle plate 7 extension spring 8 stay cords 9 hooks 10, hook base 11 lower draw-bar seats 12 are dodged hole 13 buoyancy tube 14 gas tube 15 inlet opening 16 piston 17 valve 18 carriage 19 connecting rod 20 upper fixed seat 21 lower fixed seat 22 crossbeam 23 double end motor 24 roller 25 drag-lines 26 funnel 27 slide bar 28 piston 29 limiting plate 30 stage clip 31 supporting base 32 rotating shaft 33 eccentric wheel 34 motor 35 material-dropping hole 36 hairbrush 37 fish meal 38 connector 41 screwed hole 42 bolts 43 that feed intake.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of fish culture net cage that improves graininess fish meal availability as shown in Figure 1, comprise net cage fixed support and etting 1, net cage fixed support comprises four vertical rods 2, the upper end open place of etting is provided with floating block 3 around, the two ends up and down of vertical rod are respectively equipped with upper fixed seat 21, lower fixed seat 22, between upper fixed seat and lower fixed seat, be provided with cable wire 4, cable wire is provided with slip ring 5, the side of etting 1 is connected with slip ring by rope, the bottom of etting 1 is provided with carriage 19, the surrounding of carriage passes through slip ring, rope is connected with cable wire, hollow buoyancy tube is fixed on the downside of carriage, heavy downside that is suspended on buoyancy tube, between two adjacent vertical rod outsides, be provided with some baffle plates that are parallel to each other 7, the inner of baffle plate is by being rotationally connected between rotation seat and vertical rod, between the downside of baffle plate and vertical rod, by extension spring 8, be connected, in vertical rod 2, be provided with and dodge hole 13 with the link of extension spring, extension spring lower end is fixedly connected with the bottom of dodging hole, the middle part, two ends of baffle plate is also provided with stay cord 9, stay cord is all fixedly connected with every baffle plate, the upper end of stay cord is provided with hook 10, the upside that the upper end of vertical rod is positioned at upper fixed seat is provided with hook base 11, upper fixed seat is provided with lower draw-bar seat 12, between the upper end of vertical rod, be provided with connecting rod 20, wherein between two connecting rods, be provided with crossbeam 23, the downside of crossbeam is fixed with two opening up funnels 27 that feed intake, the funnel that feeds intake is tapered, its lower end is provided with some material-dropping holes 36.
As shown in Figure 5 and Figure 6, on crossbeam 23, be positioned at the funnel that feeds intake directly over be provided with vertical slide bar 28, slide bar is through being slidably connected between crossbeam and crossbeam, the axis conllinear of the axis of slide bar 28 and the funnel 27 that feeds intake, the lower end of slide bar is provided with piston 29, the upper end of slide bar is provided with limiting plate 30, position on slide bar between limiting plate and crossbeam is arranged with stage clip 31, the both sides that are positioned at slide bar on crossbeam are also provided with supporting base 32, supporting seat is provided with rotating shaft 33, rotating shaft is provided with eccentric wheel 34, eccentric wheel is pressed on limiting plate, on crossbeam, be also provided with motor 35, motor passes through synchronizing wheel, Timing Belt is connected with rotating shaft, in the present embodiment, motor is adjustable speed motor, the feed intake bottom of funnel is hemispherical, material-dropping hole is positioned on sphere, the upper surface of piston 29 is the conical surface, the lower surface of piston is provided with hairbrush 37, driven by motor rotating shaft, eccentric wheel rotates, when place, eccentric large footpath contacts with limiting plate, driven by motor rotating shaft, eccentric wheel rotates, when place, eccentric large footpath contacts with limiting plate, piston side forms annular leakage material gap with the medial surface of the funnel that feeds intake, piston up-down, annular gap size constantly changes, when eccentric path place contacts with limiting plate, slide bar is moved up by the effect of stage clip, piston and the annular gap that between funnel, formation is larger that feeds intake, the fish meal of piston upper end enters piston lower end and supplements fish meal from annular gap, when piston moves downward, annular gap reduces, the fish meal that reduces piston upside enters in annular gap, piston moves up and down repeatedly, fish meal is stirred, assurance discharging is smooth and easy, can also limit rate of feeding simultaneously, the whole process of feeding intake continues for some time, discharging is stable, continue, prevent that a large amount of fish meals from dropping in net cage simultaneously, cause causing waste from net cage bottom dropped out, hairbrush can effectively prevent that fish meal from stopping up material-dropping hole.
One end of buoyancy tube is connected with gas tube 15, the other end of buoyancy tube is provided with inlet opening 16, one end near gas tube in buoyancy tube is provided with piston 17, the outer end of gas tube is provided with valve 18, as shown in Figure 3, between the upper end of vertical rod, be provided with connecting rod 20, wherein between two connecting rods, be provided with crossbeam 23, the centre of crossbeam is provided with double end motor 24, the axle head of double end motor is respectively equipped with roller 25, on four angles of openend of etting, be respectively equipped with draw ring, on draw ring, be connected with drag-line 26, the other end of drag-line is fixedly connected with roller, the side of roller is provided with drag-line limited block, drag-line limited block is provided with spacing hole, drag-line is fixedly connected with the bottom of slot rolling on roller through spacing hole,
As shown in Figure 4, the two ends of cable wire 4 are provided with connector 41, the end of connector is provided with screwed hole 42, upper fixed seat, lower fixed seat are provided with connecting hole, bolt 43 is connected with the screwed hole on connector through connecting hole, the endoporus aperture of slip ring is greater than the external diameter of connector, and the link lateral surface of connector and cable wire is the conical surface.While fishing for, the upper end of cable wire can drag with upper fixed seat, and after etting rises, slip ring can be deviate from from cable wire upper end, so just whole etting directly can be pulled out to the water surface, and the fish in etting is all directly fished for by etting.
By reference to the accompanying drawings, using method of the present invention is as follows: bottom, river is inserted in vertical rod, etting upper end emerges by floating block, etting lower end sinks under the effect of heavy, water enters in buoyancy tube from inlet opening, buoyancy tube also sinks, fish culture is in net cage, before feeding intake, fish culture net cage is in the state described in Fig. 1, hook is connected with upper hook base, baffle plate under the effect of stay cord in level, the inside and outside current circulation of net cage, when needs are thrown in fish meal, put down hook, hook is connected with lower draw-bar seat, now baffle plate under the effect of extension spring in the state shown in Fig. 2, extension spring retraction is dodged in hole, the surrounding of etting stops by baffle plate, etting surrounding and outside current are isolated, then graininess fish meal is poured in the funnel that feeds intake, after motor is opened, piston is gone up shifting movement repeatedly, fish meal is continued, stable falls in net cage, can regulate the speed of motor to change blanking speed, fish meal can have been eaten by fish after falling into net cage fast, both prevented that fish meal from being washed away by lateral current, can prevent that again fish meal from sinking under water, when needs are fished for, from valve, inflate, piston in buoyancy tube moves a moisture and ejects from inlet opening, after being full of air in buoyancy tube, drive etting to rise along slide bar, thereby dwindle etting in undersurface space, fish flock together, be convenient to fish for, open the bolt between cable wire upper end and upper fixed seat simultaneously, start double end motor, driven by motor roller rotates, roller rotates and pulls drag-line, thereby etting is deviate from from cable wire, etting openend is gathered and is pulled out the water surface by drag-line, etting bottom surface stops drag during near the water surface, now fish are all gathered in etting bottom and cannot move about, be convenient to very much fish for.Therefore, the present invention has can effectively prevent that fish meal from being washed away by current, reduces the good prince wife of fish meal, reduces the beneficial effect of feeding cost.Meanwhile, the present invention also has the beneficial effect of being convenient to fish for.
Claims (9)
1. a fish culture net cage that improves graininess fish meal availability, comprise net cage fixed support and etting (1), it is characterized in that, described net cage fixed support comprises four vertical rods (2), the upper end open place of etting is provided with floating block (3) around, the two ends up and down of described vertical rod are respectively equipped with upper fixed seat (21), lower fixed seat (22), between upper fixed seat and lower fixed seat, be provided with cable wire (4), cable wire is provided with slip ring (5), the side of described etting (1) is connected with slip ring by rope, the bottom of etting is provided with heavy (6), between two adjacent vertical rod outsides, be provided with some baffle plates that are parallel to each other (7), the inner of baffle plate is by being rotationally connected between rotation seat and vertical rod, between the downside of baffle plate and vertical rod, by extension spring (8), be connected, the middle part, two ends of baffle plate is also provided with stay cord (9), stay cord is all fixedly connected with every baffle plate, the upper end of stay cord is provided with hook (10), the upside that the upper end of vertical rod is positioned at upper fixed seat is provided with hook base (11), upper fixed seat is provided with lower draw-bar seat (12), between the upper end of vertical rod, be provided with connecting rod (20), wherein between two connecting rods, be provided with crossbeam (23), the downside of described crossbeam is fixed with the opening up funnel that feeds intake (27), the described funnel that feeds intake is tapered, its lower end is provided with some material-dropping holes (36).
2. the fish culture net cage of raising graininess fish meal availability according to claim 1, it is characterized in that, on described crossbeam (23), be positioned at the funnel that feeds intake directly over be provided with vertical slide bar (28), slide bar is through being slidably connected between crossbeam and crossbeam, the axis conllinear of the axis of described slide bar (28) and the funnel (27) that feeds intake, the lower end of slide bar is provided with piston (29), the upper end of slide bar is provided with limiting plate (30), position on slide bar between limiting plate and crossbeam is arranged with stage clip (31), the both sides that are positioned at slide bar on crossbeam are also provided with supporting base (32), supporting seat is provided with rotating shaft (33), rotating shaft is provided with eccentric wheel (34), described eccentric wheel is pressed on limiting plate, on crossbeam, be also provided with motor (35), described motor passes through synchronizing wheel, Timing Belt is connected with rotating shaft.
3. the fish culture net cage of raising graininess fish meal availability according to claim 2, is characterized in that, described motor is adjustable speed motor, and the bottom of the described funnel that feeds intake is hemispherical, and material-dropping hole is positioned on sphere.
4. according to the fish culture net cage of the raising graininess fish meal availability described in claim 2 or 3, it is characterized in that, the upper surface of described piston (29) is the conical surface, and the lower surface of described piston is provided with hairbrush (37).
5. the fish culture net cage of raising graininess fish meal availability according to claim 1, is characterized in that, described vertical rod (2) link upper and extension spring is provided with dodges hole (13), and described extension spring lower end is fixedly connected with the bottom of dodging hole.
6. the fish culture net cage of raising graininess fish meal availability according to claim 1, it is characterized in that, the bottom of described etting (1) is provided with some hollow buoyancy tubes (14), one end of buoyancy tube is connected with gas tube (15), the other end of buoyancy tube is provided with inlet opening (16), one end near gas tube in buoyancy tube is provided with piston (17), and the outer end of gas tube is provided with valve (18), and heavy (6) are suspended on the downside of buoyancy tube.
7. the fish culture net cage of raising graininess fish meal availability according to claim 1, is characterized in that, the bottom of etting (1) is provided with carriage (19), and the surrounding of carriage is connected with cable wire by slip ring, rope.
8. according to the fish culture net cage of the raising graininess fish meal availability described in claim 1 or 5 or 6, it is characterized in that, the centre of described crossbeam is provided with double end motor (24), the axle head of double end motor is respectively equipped with roller (25), on four angles of openend of etting, be respectively equipped with draw ring, on draw ring, be connected with drag-line (26), the other end of drag-line is fixedly connected with roller.
9. the fish culture net cage of raising graininess fish meal availability according to claim 8, it is characterized in that, the two ends of cable wire (4) are provided with connector (41), the end of connector is provided with screwed hole (42), upper fixed seat, lower fixed seat are provided with connecting hole, bolt (43) is connected with the screwed hole on connector through connecting hole, and the endoporus aperture of slip ring is greater than the external diameter of connector, and the link lateral surface of connector and cable wire is the conical surface.
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| CN201410164567.2A CN104054600B (en) | 2014-04-23 | 2014-04-23 | Improve the fish culture net cage of graininess fish meal availability |
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| CN201410164567.2A CN104054600B (en) | 2014-04-23 | 2014-04-23 | Improve the fish culture net cage of graininess fish meal availability |
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| CN104054600B CN104054600B (en) | 2015-12-02 |
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Application publication date: 20140924 Assignee: Zhoushan Lanke Marine Biology Research Institute (General Partner) Assignor: Zhejiang Marine Fisheries Research Institute Contract record no.: X2021330000538 Denomination of invention: Breeding net cage for improving feed utilization rate of granular fish Granted publication date: 20151202 License type: Common License Record date: 20211021 |
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Application publication date: 20140924 Assignee: Zhejiang Haihan Ecological Technology Co.,Ltd. Assignor: Zhejiang Marine Fisheries Research Institute Contract record no.: X2022330000259 Denomination of invention: Breeding cage for improving the utilization rate of granular fish feed Granted publication date: 20151202 License type: Common License Record date: 20220706 |
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