CN217308779U - Micro-flowing water constant-temperature spawning device for hybrid snakeheads - Google Patents
Micro-flowing water constant-temperature spawning device for hybrid snakeheads Download PDFInfo
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- CN217308779U CN217308779U CN202221093963.7U CN202221093963U CN217308779U CN 217308779 U CN217308779 U CN 217308779U CN 202221093963 U CN202221093963 U CN 202221093963U CN 217308779 U CN217308779 U CN 217308779U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 241001417978 Channidae Species 0.000 title claims description 25
- 235000013601 eggs Nutrition 0.000 claims abstract description 56
- 241001597062 Channa argus Species 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 11
- 230000017448 oviposition Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000004083 survival effect Effects 0.000 abstract description 7
- 238000009396 hybridization Methods 0.000 abstract description 6
- 241000381602 Vachellia nebrownii Species 0.000 abstract 1
- 230000005284 excitation Effects 0.000 abstract 1
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241001129276 Channa maculata Species 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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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 provides a hybridization snakehead microflow constant temperature device of laying eggs, includes variable temperature regulating device, water piping, lay eggs district and control valve, water piping sets up respectively variable temperature regulating device with on the lay eggs district, the control valve sets up respectively water piping with on the lay eggs district, the lay eggs district including lay eggs district canal, at least two with the compartment of laying eggs that the lay eggs district canal is connected, the lay eggs district canal includes lay eggs district inlet channel, lay eggs district drain channel and water level control canal, the lay eggs district inlet channel with lay eggs district drain channel intercommunication, the water level control canal with lay eggs district drain channel intercommunication, the compartment of laying eggs distributes the both sides of water level control canal. This device has the space advantage that prevents that the fish of hybridization from interfering each other and production on a small scale, and this device can provide suitable temperature and extra flowing water environment, pairs through micro-flow water thorn excitation fish of hybridization and lay eggs, improves the quality and the survival rate of the fish fertilized egg of hybridization.
Description
Technical Field
The utility model relates to a fish ecological breeding technical field specifically, relates to a little flowing water constant temperature device of laying eggs of hybrid snakehead.
Background
The hybridized snakehead is a variety obtained by hybridizing the snakehead and the channa maculata, has distant hybridization advantages superior to parents, can eat artificial compound feed after domestication, has high growth speed, and can be taken out of a pond in half a year to one year. The feed has strong stress resistance, disease resistance, high yield and low cost, and has good economic benefit in a modern high-density culture mode. In recent years, the cultivation scale of hybrid snakeheads is rapidly expanded, the yield of the hybrid snakeheads is close to 2/3 of the total yield of snakeheads, especially in the Kyowa area, the hybrid snakeheads and the hybrid snakeheads are replaced to become main cultivation varieties of snakeheads, and the yield per mu is generally 3000-4000 kg.
At present, the crossbred snakeheads generally adopt an artificial propagation technology, because the male parent and the female parent of the crossbred snakeheads have fierce habits, the crossbred snakeheads are generally propagated in a mode of 1: 1, pairing to prevent fighting between parent fishes. The more common mode is to use a small net cage, a small cement pond or a soil pond as an egg laying pond, the water depth is 40-80cm, and a baffle, a bamboo curtain and the like are used for shielding. Foam boxes can also be used on small scale as spawning ponds. Generally, the eggs can be laid and fertilized after 10 to 14 hours of pairing, and the fertilized eggs are floating eggs. However, the existing artificial propagation technology of hybrid snakehead has a plurality of disadvantages, and the net cages and cement ponds used in large-scale production are easy to cause the parents to fight, so that the requirement of one-to-one pairing cannot be met; on the premise of saving space and interference, the foam box is difficult to control water pollution and lack of natural environment for stimulating spawning by running water, and the fertilization rate and survival rate of fertilized eggs are easily reduced. And the water temperature can not be strictly controlled in the two modes, when the air temperature is too high or too low, the egg laying amount of the parent fish is reduced, even the parent fish does not lay eggs, and meanwhile, the hatching of fertilized eggs is also influenced.
Therefore, in order to obtain a large amount of high-quality hybrid snakehead fry, the first step is to lay eggs and hatch. How to solve the defects of the artificial propagation technology of the hybrid snakehead in the existing production mode is very urgent, and an egg laying device which can solve the defects and provide a good environment is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the prior industry, the micro-flowing water constant-temperature spawning device for the hybrid snakeheads is provided, can provide environmental factors such as temperature and flowing water stimulation required by the hybrid snakeheads during spawning, can be reasonably built according to fields, and has the advantages of simple structure, convenience in operation, and the defects of the hybrid snakeheads are overcome while the hybrid snakeheads have the advantages of the prior art. The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a hybridization snakehead microflow constant temperature device of laying eggs, includes variable temperature regulating device, water piping, lay eggs district and control valve, water piping sets up respectively variable temperature regulating device with on the lay eggs district, the control valve sets up respectively water piping with on the lay eggs district, the lay eggs district including lay eggs district canal, at least two with the compartment of laying eggs that the lay eggs district canal is connected, the lay eggs district canal includes lay eggs district inlet channel, lay eggs district drain channel and water level control canal, the lay eggs district inlet channel with lay eggs district drain channel intercommunication, the water level control canal with lay eggs district drain channel intercommunication, the compartment of laying eggs distributes the both sides of water level control canal.
Further, the spawning area inlet channel is communicated with the bottom of the spawning compartment, the spawning area drainage channel is communicated with the bottom of the spawning compartment, and the water level control channel is communicated with the spawning compartment.
Furthermore, the water drainage channel of the spawning area is provided with a water level plate for controlling the water level.
Further, a baffle plate is arranged between two adjacent spawning compartments.
Further, the water pipe path includes outlet pipe, inlet tube, drain pipe and return bend, the outlet pipe sets up variable temperature regulating device with between the spawning area inlet channel, the drain pipe with spawning area drain channel passes through the control valve intercommunication, the inlet tube with become temperature regulating device and connect, the compartment of laying eggs with the water level control channel passes through the return bend intercommunication.
Furthermore, the control valve comprises a water level control valve and a three-way valve, the water level control valve is arranged between the spawning compartment and the bent pipe, and the three-way valve is arranged between the water inlet pipe, the water discharge pipe and the spawning area water discharge channel.
Furthermore, the bottom of the spawning area is a slope surface structure inclined from top to bottom.
Further, the distance H between the bottom of the spawning compartment and the bottom of the spawning area is 4-6 centimeters.
The utility model has the advantages as follows:
compared with a net cage, a cement pond and the like used in large-scale production, the spawning compartment of the device has reasonable space, can pair parent fishes one to one and prevent fighting among the parent fishes, and has the space advantages of preventing mutual interference and small-scale production; compared with a foam box which is frequently used in small-scale production, the device can provide an additional running water environment, and the quality and the survival rate of the fertilized eggs of the hybrid snakehead are improved by pairing and spawning the hybrid snakehead through micro-flow water jet;
the utility model utilizes the constant temperature control function of the variable temperature control device to continuously control the temperature while the water body circularly flows to form stable water quality and temperature, stimulates the hybridized snakehead to pair and lay eggs through a proper running water environment, and can improve the quality and the survival rate of fertilized eggs of the hybridized snakehead;
three, the utility model discloses a set up the water level board of co-altitude not in order to change the velocity of water flow in the spawning area, build the amazing cross snakehead of different miniflow water environment and pair and lay eggs, also can accelerate drainage rate through dismantling the water level board, adjust the quality of water in the spawning area, the utility model discloses also through the cooperation of water level control canal, water level control valve and water level board, the water level in the control compartment of laying eggs, according to the cross snakehead pair condition of laying eggs, through changing the water level, build the amazing cross snakehead of different environment and pair and lay eggs.
Fourthly, this device simple structure, it is with low costs, can build according to actual environment, guarantee the production scale.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
FIG. 1 is a plan view of the device for constant temperature spawning of hybrid snakehead fish in micro-flowing water of the present invention.
FIG. 2 is a side view of the device for constant temperature spawning of hybrid snakehead in micro-flowing water of the present invention.
In the figure: 1. the variable temperature control device comprises a variable temperature control device, 2, a water pipe passage, 3, a spawning area, 4, a control valve, 21, a water outlet pipe, 22, a water inlet pipe, 23, a water outlet pipe, 24, a bent pipe, 25 water replenishing pipes, 31, a spawning area water channel, 32, a spawning compartment, 41, a water level control valve, 42, a three-way valve, 43, a water outlet pipe two-way valve, 44, a water inlet pipe two-way valve, 45, a water replenishing pipe two-way valve, 311, a spawning area water inlet channel, 312, a spawning area water discharge channel, 313, a water level control channel, 321, a baffle, 3121 and a water level plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, a micro-flow constant temperature spawning device for hybrid snakeheads comprises a variable temperature control device 1, a water pipe passage 2, a spawning area 3 and a control valve 4, wherein the water pipe passage 2 is respectively arranged on the variable temperature control device 1 and the spawning area 3, the control valve 4 is respectively arranged on the water pipe passage 2 and the spawning area 3, the spawning area 3 comprises a spawning area water channel 31 and at least two spawning compartments 32 connected with the spawning area water channel 31, the spawning area water channel 31 comprises a spawning area water channel 311, a spawning area water channel 312 and a water level control channel 313, the spawning area water channel 311 is communicated with the spawning area water channel 312, the water level control channel 313 is communicated with the spawning area water channel 312, the spawning compartments 32 are distributed on both sides of the water level control channel 313, the spawning area water channel 311 is communicated with the bottoms of the spawning compartments 32, the spawning area drainage channel 312 communicates with the bottom of the spawning compartment 32, and the water level control channel 313 communicates with the spawning compartment 32. Compared with a net cage, a cement pond and the like used in large-scale production, the spawning compartment of the device has reasonable space, can pair parent fishes one to one and prevent fighting between the parent fishes, and has the space advantages of preventing mutual interference and small-scale production; compared with a foam box which is frequently used in small-scale production, the device can provide an additional running water environment, and the quality and the survival rate of the fertilized eggs of the hybrid snakehead are improved by pairing and spawning the hybrid snakehead through micro-flow water jet; the utility model utilizes the constant temperature control function of the variable temperature control device to continuously control the temperature while the water body circularly flows, so as to form stable water quality and temperature, stimulate the hybridized snakehead to pair and lay eggs through a proper running water environment, and improve the quality and the survival rate of fertilized eggs of the hybridized snakehead; furthermore, a water inlet channel of the spawning area is arranged at the front end of the spawning area, and an opening is formed in the bottom of the water inlet channel for discharging water; the water draining channel of the spawning area is positioned at the tail end of the spawning area; the water level control channel is positioned in the middle of the spawning area; the spawning compartments are evenly distributed on two sides of the spawning area, and a water level control channel is arranged in the middle of the spawning compartment. When the water level of the water drainage channel of the spawning area changes, the water level in the water level control channel also changes correspondingly, and further, the water inlet channel of the spawning area is communicated with the spawning compartment at the bottom; after whole spawning area is filled with water, the rivers of spawning area inlet channel slowly trickled to spawning area drainage canal via spawning compartment bottom to reach the effect of little flowing water, because water level control canal and spawning compartment intercommunication, through the water level height that changes in the water level control canal, in order to reach the water level in the control spawning compartment.
As shown in the figure 1 and the figure 2, the microflow constant temperature spawning device for the hybrid snakeheads, the water drainage channel 312 of the spawning area is provided with a water level plate 3121 for controlling the water level. The water level plate is used for separating the water drainage channel of the spawning area, water flow on one side of the water drainage channel of the spawning area can flow into the other side of the water drainage channel of the spawning area only by exceeding the water level plate and then flows into the water drainage pipe, and because one side of the water drainage channel is communicated with the water level control channel, the height of the water level plate is increased or reduced, so that the water level height in the water level control channel is controlled; the water level plate can be detached, and water in the spawning area can be completely discharged through the drain pipe after detachment.
As shown in FIG. 1 and FIG. 2, a cross snakehead microflow constant temperature spawning device is provided with a baffle 321 between two adjacent spawning compartments 32. The utility model provides a compartment of laying eggs adopts the non-transparent material preparation, utilizes opaque separating between two adjacent compartments of laying eggs, the top of the compartment of laying eggs collocation top baffle, and the top baffle is dug there is the aperture to ventilate and observe temporarily.
As shown in fig. 1 and fig. 2, the water pipe passage 1 comprises a water outlet pipe 21, a water inlet pipe 22, a water outlet pipe 23 and a bent pipe 24, wherein the water outlet pipe 21 is arranged between the variable temperature control device 1 and the water inlet channel 311 of the spawning area; the drainage pipe 23 is communicated with the spawning area drainage channel 312 through the control valve 4, the water inlet pipe 22 is connected with the variable temperature control device 1, and the spawning compartment 32 is communicated with the water level control channel 313 through an elbow pipe 24. Further, the utility model discloses a water pipe way of PE material, it has that the material is durable, temperature resistant corrosion-resistant, the easy advantage of changing, and water pipe way guarantees that rivers circulate between variable temperature regulating device and spawning area and flows, reaches invariable temperature effect.
In the microfluidic constant-temperature spawning device of hybrid snakeheads as shown in fig. 1 and 2, the control valve 4 comprises a water level control valve 41 and a three-way valve 42, the water level control valve 41 is disposed between the spawning compartment 32 and the elbow 24, and the three-way valve 42 is disposed between the water inlet pipe 22, the water outlet pipe 23 and the spawning area water drain channel 312. Furthermore, the water pipe passage is also provided with a water replenishing pipe, and the variable temperature control device is communicated with the water replenishing pipe through a two-way valve of the water replenishing pipe; the variable temperature control device is communicated with the water outlet pipe through the water outlet two-way valve; the variable temperature control device is communicated with the water inlet pipe through a water inlet pipe two-way valve, and the two-way valve controls the water circulation of the water replenishing pipe, the water inlet pipe and the water outlet pipe; the three-way valve can control water in a drainage channel of the spawning area to enter the variable temperature control device through the water inlet pipe or directly drain the water through the drainage pipe; the water level control valve is located spawning compartment and return bend junction, because spawning compartment and water level control canal pass through the return bend intercommunication, when the water level in the water level control canal is higher than the water level of spawning compartment, rivers move to the spawning compartment in from the water level control canal through the return bend, the water level in the spawning compartment can increase, it is rotatory to utilize the water level control valve to drive the return bend, make the return bend position change, when the return bend no longer feeds through spawning compartment and water level control canal, rivers can't move to the spawning compartment from the water level control canal through the return bend, and then the water level in the spawning compartment can not change.
As shown in figures 1 and 2, the bottom of the spawning area 3 is a slope structure inclined from top to bottom, and the distance H between the bottom of the spawning compartment 8 and the bottom of the spawning area 3 is 4-6 centimeters. Spawning region bottom adopts the domatic structure by last down slope, and the high-order is at spawning region inlet channel, and the low level makes things convenient for the circulation and the emission of water in spawning region drainage channel, and the distance H between spawning compartment bottom and the spawning region bottom sets up to 4-6 centimeters and helps the rivers of spawning region inlet channel slowly trickle to spawning region drainage channel via spawning compartment bottom to reach the effect of running water a little.
The implementation of this example is as follows:
when the variable temperature control device starts to work, the two-way valve 45 of the water replenishing pipe is firstly opened to carry out water injection on the variable temperature control device 1, and the variable temperature control device 1 starts to regulate the water temperature according to the set temperature. Then the outlet pipe two-way valve 43 is opened to inject water into the spawning area 3, and the inlet pipe two-way valve 44 is opened and the three-way valve 42 is switched to be communicated with the inlet pipe.
The water inlet channel 311 of the spawning area is communicated with the spawning compartment 32 at the bottom; the spawning area water drainage channel 312 is communicated with the spawning compartment 32 at the bottom, and after the spawning area 3 is filled with water, the water flow of the spawning area water inlet channel 311 slowly flows to the spawning area water drainage channel 312 through the bottom of the spawning compartment 8, so that the micro-flow effect is achieved.
The variable temperature control device 1 can continuously control the temperature while the water body circularly flows through constant temperature control, so that stable water quality and temperature and a suitable running water environment are formed, and the quality and the survival rate of the hybrid snakehead fertilized eggs can be improved.
The water level plate 3121 separates the spawning region drainage channel 312, the water flow on one side of the spawning region drainage channel 312 can flow into the other side of the spawning region drainage channel 312 only by exceeding the water level plate 3121, and then flows into the drainage pipe 23 or the water inlet pipe 22 by the three-way valve 42, because one side of the spawning region drainage channel 312 is communicated with the water level control channel 313, the height of the water level plate 3121 is increased or decreased, so as to control the water level height in the water level control channel 313;
the water level control valve 31 is located at the junction of the spawning compartment 32 and the elbow 24, and since the spawning compartment and 32 water level control channel 313 communicates through the elbow 24, when the water level in the water level control channel 313 is higher than the water level of the spawning compartment 32, the water flow moves from the water level control channel 313 into the spawning compartment 32 through the elbow 24, and the water level in the spawning compartment 32 increases.
Utilize water level control valve 31 to drive the return bend 24 rotatory for return bend 24 position changes, when return bend 24 no longer communicates spawning compartment 32 and water level control canal 313, rivers can't move to in the spawning compartment 32 from water level control canal 313 through return bend 24, and then the water level in the spawning compartment 32 can not change.
When the water that needs will spawning area 3 discharges, close 44 with moisturizing pipe two-way valve 45, outlet pipe two-way valve 43, inlet tube two-way valve respectively, switch to three-way valve 42 and communicate with drain pipe 23, dismantle water level board 3121, spawning area 3 is the water and flows to spawning area drainage channel 312 via spawning area inlet channel 311, and then discharges from drain pipe 23.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a little flowing water of hybrid snakehead constant temperature device of laying eggs, includes variable temperature regulating device (1), water piping (2), spawning area (3) and control valve (4), its characterized in that: water pipe path (2) set up respectively variable temperature regulating device (1) with on spawning area (3), control valve (4) set up respectively water pipe path (2) with on spawning area (3), spawning area (3) including spawning area ditch (31) and at least two with spawning compartment (32) that spawning area ditch (31) are connected, spawning area ditch (31) are including spawning area inlet channel (311), spawning area outlet channel (312) and water level control canal (313), spawning area inlet channel (311) with spawning area outlet channel (312) intercommunication, water level control canal (313) with spawning area outlet channel (312) intercommunication, spawning compartment (32) distribute in the both sides of water level control canal (313).
2. The microfluidic constant-temperature egg-laying device for hybrid snakeheads according to claim 1, wherein the device comprises: the water inlet channel (311) of the spawning area is communicated with the bottom of the spawning compartment (32), the water outlet channel (312) of the spawning area is communicated with the bottom of the spawning compartment (32), and the water level control channel (313) is communicated with the spawning compartment (32).
3. The microfluidic constant-temperature spawning device for hybrid snakeheads according to claim 1, which is characterized in that: the water drainage channel (312) of the spawning area is provided with a water level plate (3121) for controlling the water level.
4. The microfluidic constant-temperature spawning device for hybrid snakeheads according to claim 1, which is characterized in that: a baffle plate (321) is arranged between two adjacent spawning compartments (32).
5. The microfluidic constant-temperature egg-laying device for hybrid snakeheads according to claim 1, wherein the device comprises: water pipe path (2) include outlet pipe (21), inlet tube (22), drain pipe (23) and return bend (24), outlet pipe (21) set up variable temperature regulating device (1) with between spawning region inlet channel (311), drain pipe (23) with spawning region drainage channel (312) pass through control valve (4) intercommunication, inlet tube (22) with it connects to become temperature regulating device (1), spawning compartment (32) with water level control channel (313) passes through return bend (24) intercommunication.
6. The microfluidic constant-temperature spawning device for hybrid snakeheads according to claim 5, which is characterized in that: control valve (4) are including water level control valve (41) and three-way valve (42), and water level control valve (41) set up spawning compartment (32) with between return bend (24), three-way valve (42) set up inlet tube (22) drain pipe (23) with between spawning area drainage channel (312).
7. The microfluidic constant-temperature spawning device for hybrid snakeheads according to claim 1, which is characterized in that: the bottom of the spawning area (3) is a slope surface structure inclined from top to bottom.
8. The microfluidic constant-temperature spawning device for hybrid snakeheads according to claim 1, which is characterized in that: the distance H between the bottom of the spawning compartment (32) and the bottom of the spawning area (3) is 4-6 centimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221093963.7U CN217308779U (en) | 2022-05-09 | 2022-05-09 | Micro-flowing water constant-temperature spawning device for hybrid snakeheads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221093963.7U CN217308779U (en) | 2022-05-09 | 2022-05-09 | Micro-flowing water constant-temperature spawning device for hybrid snakeheads |
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| Publication Number | Publication Date |
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| CN217308779U true CN217308779U (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221093963.7U Expired - Fee Related CN217308779U (en) | 2022-05-09 | 2022-05-09 | Micro-flowing water constant-temperature spawning device for hybrid snakeheads |
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| Country | Link |
|---|---|
| CN (1) | CN217308779U (en) |
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2022
- 2022-05-09 CN CN202221093963.7U patent/CN217308779U/en not_active Expired - Fee Related
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Granted publication date: 20220830 |