CN115053851A - Device for delaying metamorphosis of bivalve larvae and using method thereof - Google Patents
Device for delaying metamorphosis of bivalve larvae and using method thereof Download PDFInfo
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- CN115053851A CN115053851A CN202210575558.7A CN202210575558A CN115053851A CN 115053851 A CN115053851 A CN 115053851A CN 202210575558 A CN202210575558 A CN 202210575558A CN 115053851 A CN115053851 A CN 115053851A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/54—Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/80—Feeding devices
- A01K61/85—Feeding devices for use with aquaria
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/06—Arrangements for heating or lighting in, or attached to, receptacles for live fish
- A01K63/065—Heating or cooling devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a device for delaying metamorphosis of bivalve shellfish larvae and a using method thereof, belonging to the field of biological experiment devices, wherein the device comprises a larva cultivating pool, a temperature control pool and a temperature control system, a timing feeding module, a timing water changing module, a vortex metamorphosis delaying module and a pollution discharge module, wherein the larva cultivating pool is a cylindrical barrel body, and the vortex metamorphosis delaying module comprises an inflator pump, an inflation pipe and an adjusting valve; the vortex delayed metamorphosis module forms a vortex which rotates along the circumferential direction of the cylindrical barrel in the cylindrical barrel through uninterrupted inflation; the device can prolong the creeping period of the larvae, delay the metamorphosis and prolong the time for obtaining experimental materials of the larvae. The temperature control is accurate, the use is convenient, the survival rate of the larvae is improved, the activity of the cultivated larvae is high, the feeding state is good, and the development of the next step of experiment is facilitated; the device has the advantages of high automation degree, high integration degree, convenience in carrying and transportation, and reduction of human participation, workload and labor saving.
Description
Technical Field
The invention belongs to the field of biological experimental devices, and particularly relates to a device for delaying metamorphosis of bivalve larvae and a using method thereof
Background
The bivalve shellfish is an important offshore culture variety in China, the culture yield accounts for 63.38% of the marine shellfish culture yield in China and 91.44% of the marine shellfish culture yield in China (fishery statistics yearbook, 2021), and the large amount of fry is unavailable for large-scale culture. The larvae of bivalve shellfish develop through planktonic and benthic life stages. The bivalves are oviparous, and the bivalves are respectively in an embryonic stage, a planktonic larva stage and an attachment metamorphosis stage from the development of eggs to young shellfish. Both embryonic stage and planktonic larvae live in suspension plankton in seawater, and the planktonic time varies from several days to twenty-few days according to species. The bivalve larva is sensitive to environmental change in the process of cultivation, a large amount of larva death is caused by the change of certain physical and chemical parameters, and the method is of great importance to the research of the proper environmental parameters of the embryo and the larva and the basic biology of the larva on aquaculture production and scientific research. For marine organism researchers, it is the first step of scientific research experiments to obtain enough larvae with good state, but limited by the biological habit of larvae, the time for obtaining planktonic larvae is limited to short days to about ten days, if experiments in the current year are unsmooth, experiments can not be repeated basically, experimental batches are increased or the experimental direction is adjusted, enough larvae materials for experiments can be obtained only in the next breeding season, the trouble of obtaining experimental materials is extremely unfavorable for the scientific research work of bivalve shellfish larvae, so that many scientific research works can not be carried out smoothly, and the development of scientific research is seriously retarded. Therefore, a culture device which is automatic, has controlled temperature, can prolong the culture time of obtaining bivalve shellfish larvae and delays metamorphosis is in urgent need of development.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for delaying metamorphosis of bivalve shellfish larvae and a using method thereof, wherein the device can automatically control temperature, automatically feed at regular time, change water, form vortex flow inside along the barrel wall and the like, realize automatic control during larva cultivation, reduce workload, prolong larva cultivation time, and achieve the purposes of delaying larva metamorphosis and prolonging the acquisition of larva experimental materials.
The invention is carried out by the following technical scheme:
a device for delaying metamorphosis of bivalve shellfish larvae comprises a larva cultivating pool, a temperature control system, a timing feeding module, a timing water changing module, a vortex metamorphosis delaying module and a pollution discharge module,
the larva cultivating pool is a cylindrical barrel body and is provided with a gripping handle for moving the cylindrical barrel and a stand foot placed on the ground;
the vortex delayed metamorphosis module comprises an inflation pump, an inflation pipe and an adjusting valve; the cylindrical barrel level is placed, the pump is connected to gas tube one end, the other end stretches into inside along cylindrical barrel, extend to the other end along cylindrical barrel lateral wall from one end, the gas tube is equipped with along the venthole of gas tube axial arrangement apart from cylindrical barrel inner wall side, the bubble that comes out from the venthole rises to the top along cylindrical barrel is inside, incessant inflation, then form in cylindrical barrel inside along cylindrical barrel circumference rotatory vortex, the vortex reduces the larva and creeps the chance at the creeping of bucket wall, the extension larva period of creeping, postpone the abnormal larva.
Furthermore, the device also comprises a temperature control system, wherein the temperature control system comprises a cylindrical sleeve barrel, a water inlet pipe, a water outlet pipe and a circulating water temperature controller; the cylindrical sleeve barrel is sleeved on the periphery of the cylindrical barrel, the water outlet pipe is connected to a water inlet of the circulating water temperature controller, the water inlet pipe is connected to a water outlet of the circulating water temperature controller, water flows out from the bottom of the cylindrical barrel through the water outlet pipe, enters the circulating water temperature controller to be heated, enters the water inlet pipe and finally flows into the cylindrical barrel;
further, the device also comprises a timing feeding module, wherein the timing feeding module comprises a microalgae culture bottle, a timing switch and a first peristaltic pump; the microalgae culture bottle is sequentially connected with the timing switch and the first peristaltic pump through the connecting pipe and finally enters the cylindrical barrel; the sterilized first peristaltic pump pipe is connected with the microalgae culture bottle, the on-off time of the first peristaltic pump is set by a first timing switch, the on-off time is controlled and set according to the feeding amount of shellfish of different breeding varieties and different breeding stages, and bait is pumped into the larva breeding pond at regular time.
Further, the device comprises a timing water changing module, wherein the timing water changing module comprises a sea water filtering pool, a second peristaltic pump, a second timing switch, a water changing water inlet pipe, a first water outlet, a water discharging pipe and a detachable water outlet sieve plate; filter sea water pond, second peristaltic pump and second time switch, communicate in proper order cylindrical barrel through trading the water inlet tube, be equipped with one row of first delivery port on the cylindrical barrel lateral wall, be equipped with on the first delivery port and dismantle the delivery port sieve, on the drain pipe connection to first delivery port, be provided with the valve on the drain pipe. When water is changed, the valve is opened, water flows out from the cylindrical barrel, and the sieve plate at the water outlet can be disassembled to prevent the shellfish larvae from flowing out along with the water.
Further, the sewage discharging module comprises a sewage discharging funnel opening, a sewage discharging pipe and a sewage discharging valve; the sewage funnel opening is arranged on the side wall of the cylindrical barrel, and is connected with a sewage discharge pipe which is arranged at the bottom of the cylindrical barrel in a use state, and a sewage discharge valve is arranged on the sewage discharge pipe. The device is used for reducing the increase of substances such as internal excrement and excreted ammonia nitrogen after the larva is cultivated for a long time, and when the device is used, the lower funnel-shaped sewage discharge valve is opened for sewage discharge treatment.
Further, the top of the cylindrical barrel is provided with an observation port which can be opened and closed and is used for observing the larvae in the barrel, taking and placing the larvae or cleaning the inside of the cylindrical barrel.
The invention also provides a using method of the device, the device is connected together, the cylindrical barrel is filled with water, the vortex delayed metamorphosis module is opened, bubbles flow out from the air outlet and rise to the top along the inside of the cylindrical barrel, the air is continuously inflated, a vortex rotating along the circumferential direction of the cylindrical barrel is formed in the cylindrical barrel, the cultivation water temperature is adjusted, the temperature is 5-8 ℃ lower than the conventional cultivation temperature, shellfish larvae are placed into the cylindrical barrel through the observation port, the timed feeding module is set, the larvae are fed in a timed mode, the timed water changing module is set, when water is changed, the rotating speed of the second peristaltic pump is set to be lower than 50, the flow speed of the water inlet and the first water outlet is reduced, the vortex flow speed in the cultivation pool is increased to achieve the purpose that fewer larvae are accumulated at the screen port, and when the cultivation time is long, the substances such as inner excrement, excreted ammonia nitrogen and the like are increased, the lower funnel-type sewage discharge valve is opened, and (5) carrying out pollution discharge treatment.
Compared with the prior art, the invention has the beneficial effects that:
the device can prolong the creeping period of the larvae, delay the metamorphosis and prolong the time for obtaining experimental materials of the larvae. The temperature control is accurate, the use is convenient, the survival rate of the larvae is improved, the liveness of the cultivated larvae is high, the feeding state is good, and the development of the next experiment is facilitated; the device has the advantages of high automation degree, high integration degree, convenience in carrying and transportation, and reduction of human participation, workload and labor saving.
Drawings
FIG. 1 is a front view of the apparatus of the present invention;
fig. 2 is a rear view of the device of the present invention.
1. The device comprises a cylindrical barrel, 2, a grasping handle, 3, a stand, 4, an inflator pump, 5, an inflation pipe, 6, a regulating valve, 7, an air outlet, 8, a water outlet pipe, 9, a circulating water temperature controller, 10, a microalgae culture bottle, 11, a first timing switch, 12, a first peristaltic pump, 13, a connecting pipe, 14, a filtering seawater pool, 15, a second peristaltic pump, 16, a second timing switch, 17, a water changing water inlet pipe, 18, a first water outlet, 19, a sieve plate, 20, a sewage discharge funnel opening, 21, a sewage discharge pipe, 22, a sewage discharge valve, 23, a water inlet pipe, 24, a water discharge pipe, 25 and an observation opening.
Detailed Description
The technical solution of the present invention is further explained by the following examples, but the scope of the present invention is not limited in any way by the examples.
Example 1
A device for delaying metamorphosis of bivalve larva is shown in figure 1 and figure 2, and comprises a larva cultivating pool, a temperature control system, a timing feeding module, a timing water changing module, a vortex metamorphosis delaying module and a pollution discharging module,
the larva breeding pond is a cylindrical barrel 1, the diameter of the larva breeding pond is 20-40 cm, the length of the larva breeding pond is 30-60 cm, and a gripping handle 2 for moving the cylindrical barrel 1 and a stand 3 placed on the ground are arranged;
the vortex delayed metamorphosis module comprises an inflator pump 4, an inflation pipe 5 and a regulating valve 6; the cylindrical barrel is horizontally placed, one end of an inflation pipe 5 is connected with an inflation pump 4, the other end of the inflation pipe extends into the cylindrical barrel 1, the inflation pipe extends from one end to the other end along the side wall of the cylindrical barrel 1, air outlets 7 axially arranged along the inflation pipe 5 are formed in the side, away from the inner wall of the cylindrical barrel 1, of the inflation pipe 5, bubbles coming out of the air outlets 7 rise to the top along the inside of the cylindrical barrel 1, and are inflated uninterruptedly, so that a vortex rotating along the circumferential direction of the cylindrical barrel 1 is formed in the cylindrical barrel 1, the vortex reduces the creeping chance of larvae on the barrel wall, prolongs the creeping period of the larvae, and delays the metamorphosis of the larvae;
the device also comprises a temperature control system, wherein the temperature control system comprises a cylindrical sleeve barrel, a water inlet pipe 23, a water outlet pipe 8 and a circulating water temperature controller 9; the cylindrical sleeve barrel is sleeved on the periphery of the cylindrical barrel 1, the water outlet pipe 8 is connected to a water inlet of the circulating water temperature controller 9, the water inlet pipe is connected to a water outlet of the circulating water temperature controller 9, water flows out from the bottom of the cylindrical barrel 1 through the water outlet pipe 8, enters the circulating water temperature controller 9, is heated, enters the water inlet pipe, and finally flows into the cylindrical barrel 1;
the device also comprises a timing feeding module, wherein the timing feeding module comprises a microalgae culture bottle 10, a first timing switch 11 and a first peristaltic pump 12; the microalgae culture bottle 10 is sequentially connected with a first timing switch 11 and a first peristaltic pump 12 through a connecting pipe 13 and finally enters the cylindrical barrel 1; the first peristaltic pump 12 which is sterilized is connected with the microalgae culture bottle 10 through a pipe, the on-off time of the first peristaltic pump 12 is set by a first timing switch 11, the on-off time is controlled and set according to the feeding amount of shellfish of different breeding varieties and different breeding stages, and bait is pumped into the larva breeding pond at regular time.
The device comprises a timing water changing module, wherein the timing water changing module comprises a filtering seawater pool 14, a second peristaltic pump 15, a second timing switch 16, a water changing water inlet pipe 17, a first water outlet 18 and a detachable water outlet sieve plate 19; the sea water filtering pool 14, the second peristaltic pump 15 and the second timing switch 16 are sequentially communicated into the cylindrical barrel 1 through a water changing inlet pipe 17, a row of first water outlets 18 are formed in the side wall of the cylindrical barrel 1, a detachable water outlet sieve plate 19 is arranged on the first water outlets 18, a drain pipe 24 is connected to the first water outlets 18, and valves are arranged on the drain pipe. When water is changed, the valve is opened, water flows out from the cylindrical barrel 1, and the sieve plate 19 at the detachable water outlet prevents the shellfish larvae from flowing out along with the water.
The timing feeding and water changing system is controlled by a timer, and microalgae feed is fed regularly and water is changed regularly by opening and closing the timer regularly.
The sewage discharge module comprises a sewage discharge funnel opening 20, a sewage discharge pipe 21 and a sewage discharge valve 22; the sewage discharge funnel port 20 is arranged on the side wall of the cylindrical barrel 1, and in the use state, the sewage discharge funnel port 20 is connected with a sewage discharge pipe 21 at the bottom of the cylindrical barrel 1, and a sewage discharge valve 22 is arranged on the sewage discharge pipe 21. The device is used for reducing the increase of substances such as internal excrement and excreted ammonia nitrogen after the larva is cultivated for a long time, and when the device is used, the lower funnel-shaped sewage discharge valve 22 is opened for sewage discharge treatment.
The top of the cylindrical barrel 1 is provided with an observation port 25, the observation port 25 can be opened and closed for observing the larvae in the barrel, taking and placing the larvae or cleaning the inside of the cylindrical barrel 1.
The method for cultivating the oyster bodies by utilizing the device is characterized in that the device is connected together, the cylindrical barrel 1 is filled with water, the vortex delayed metamorphosis module is opened, bubbles rise to the top from the air outlet 7 along the inside of the cylindrical barrel 1 to form vortex rotating along the circumferential direction of the inner wall of the cylindrical barrel 1, the cultivation water temperature is adjusted to be 5-8 ℃ lower than the conventional cultivation temperature and 17 ℃, shellfish larvae are put into the cylindrical barrel 1 through an observation port, the timed feeding module is set, timed feeding is carried out on the larvae, the timed water changing module is set, when water is changed, the rotating speed of the second peristaltic pump 15 is set to be lower than 50, the flow speed of the inlet and the first water outlet 18 is reduced, the aim of accumulation of fewer larvae at the screen mesh port is achieved by adjusting the vortex flow speed in the cultivation pool, after the cultivation time is long, the increase of substances such as internal excrement, discharged ammonia nitrogen and the like is caused, the lower funnel-type sewage discharge valve 22 is opened, and (5) carrying out pollution discharge treatment.
Use the device to carry out the breed of scallop, oyster larva, the larva floats the life in the vortex that the bucket wall formed, originally can accomplish metamorphotic larva in 2 days, can prolong 15 days and accomplish to adhere to metamorphosis, and the survival rate reaches 85%, prolongs the time that can obtain the larva greatly, adjusts the experiment thinking to scientific research worker, increases experiment batch, and repeated experiment many times is very useful.
Claims (7)
1. A device for delaying metamorphosis of bivalve shellfish larvae is characterized by comprising a larva cultivating pool, a temperature control system, a timing feeding module, a timing water changing module, a vortex metamorphosis delaying module and a pollution discharge module,
the larva breeding pool is a cylindrical barrel (1) and is provided with a gripping handle (2) used for moving the cylindrical barrel (1) and standing feet (3) placed on the ground;
the vortex delayed metamorphosis module comprises an inflation pump (4), an inflation pipe (5) and a regulating valve (6); cylindrical bucket (1) level is placed, pump (4) are connected to gas tube (5) one end, the other end stretches into inside along cylindrical bucket (1), extend to the other end from one end along cylindrical bucket (1) lateral wall, gas tube (5) are equipped with along gas tube (5) axial arrangement's venthole (7) apart from cylindrical bucket (1) inner wall side, the bubble that comes out in following venthole (7) rises to the top along cylindrical bucket (1) is inside, incessant inflation, then form the vortex along cylindrical bucket (1) circumferential direction rotation inside cylindrical bucket (1), the vortex reduces the larva and creeps the chance at creeping of bucket wall, the extension larva creeps the period, delay the larva abnormal.
2. A device for delayed metamorphosis of bivalve larvae according to claim 1, further comprising a temperature control system comprising a cylindrical mantle, a water inlet pipe (23), a water outlet pipe (8), a circulating water temperature controller (9); cylindrical cover barrel casing is in the periphery of cylindrical bucket (1), and outlet pipe (8) are connected to the water inlet of circulating water temperature controller (9), and inlet tube (23) are connected to the delivery port of circulating water temperature controller (9), and water comes out through outlet pipe (8) from cylindrical bucket (1) bottom, gets into circulating water temperature controller (9) and intensifies the back, gets into inlet tube (23), flows into cylindrical bucket (1) at last.
3. A device for delayed metamorphosis of bivalve larvae according to claim 1, further comprising a timed feeding module comprising a microalgae culture bottle (10), a timed switch, a first peristaltic pump (12); the microalgae culture bottle (10) is sequentially connected with a timing switch and a first peristaltic pump (12) through a connecting pipe (13) and finally enters the cylindrical barrel (1); the first peristaltic pump (12) which is sterilized is connected with the microalgae culture bottle (10) through a pipe, the on-off time of the first peristaltic pump (12) is set by a first timing switch (11), the on-off time is controlled and set according to the feeding amount of shellfish of different breeding varieties and different breeding stages, and bait is pumped into the larva breeding pond at regular time.
4. A device for delayed metamorphosis of bivalve larvae according to claim 1, characterized in that it comprises a timed water change module comprising a filtered seawater basin (14), a second peristaltic pump (15), a second timing switch (16), a water change inlet pipe (17), a first water outlet (18), a drain pipe (24) and a detachable water outlet screen (19); the seawater filtering pool (14), the second peristaltic pump (15) and the second timing switch (16) are sequentially communicated into the cylindrical barrel (1) through a water changing inlet pipe (17), a row of first water outlets (18) are formed in the side wall of the cylindrical barrel (1), a detachable water outlet sieve plate (19) is arranged on each first water outlet (18), a drain pipe (24) is connected to each first water outlet (18), and a valve is arranged on each drain pipe (24); when water is changed, the valve is opened, water flows out from the cylindrical barrel (1), and the sieve plate (19) at the water outlet can be disassembled to prevent the shellfish larvae from flowing out along with the water.
5. A device for delayed metamorphosis of bivalve larvae according to claim 1, wherein the waste module comprises a waste funnel (20), a waste pipe (21) and a waste valve (22); the sewage discharge funnel opening (20) is arranged on the side wall of the cylindrical barrel (1), and in the use state, the sewage discharge funnel opening (20) is connected with the sewage discharge pipe (21) at the bottom of the cylindrical barrel (1), and the sewage discharge pipe (21) is provided with the sewage discharge valve (22).
6. A device for delayed metamorphosis of bivalve larvae according to claim 1, wherein the top of the cylindrical tank (1) is provided with a viewing port (25), and the viewing port (25) is openable and closable for viewing the larvae in the tank, for picking and placing the larvae, or for cleaning the inside of the cylindrical tank (1).
7. The use of the device according to any of claims 1-6, characterized in that the device is connected together, the cylindrical tub (1) is filled with water, the vortex delayed metamorphosis module is opened, the air bubbles rise from the air outlet (7) to the top along the inside of the cylindrical tub (1), and are continuously inflated, so that a vortex rotating along the circumference of the cylindrical tub (1) is formed inside the cylindrical tub (1), the temperature of the cultivation water is adjusted to be 5-8 ℃ lower than the conventional cultivation temperature, the shellfish larvae are put into the cylindrical tub (1) through the observation port (25), the timed feeding module is set, the larvae are fed at regular time, the timed water changing module is set, when the water is changed, the rotation speed of the second peristaltic pump (15) is set to be lower than 50, the flow rates of the inlet and the first outlet (18) are reduced, and the vortex flow rate in the cultivation pool is increased to achieve the purpose of less larvae piling up at the screen port, after the cultivation time is long, the increase of the substances such as the inner excrement, the discharged ammonia nitrogen and the like is caused, and the lower funnel-shaped sewage discharge valve (22) is opened for sewage discharge treatment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210575558.7A CN115053851B (en) | 2022-05-25 | 2022-05-25 | Device for delaying metamorphosis of bivalve larvae and application method thereof |
| JP2023083540A JP7421851B2 (en) | 2022-05-25 | 2023-05-20 | Method for delaying metamorphosis of juvenile bivalves using a device |
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| CN202210575558.7A CN115053851B (en) | 2022-05-25 | 2022-05-25 | Device for delaying metamorphosis of bivalve larvae and application method thereof |
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| CN115053851B CN115053851B (en) | 2023-06-02 |
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| JP6675131B2 (en) | 2016-09-14 | 2020-04-01 | ヤンマー株式会社 | Aquatic breeding equipment |
| JP6987365B2 (en) | 2019-11-20 | 2021-12-22 | 義裕 藤芳 | Plane-arranged bivalve breeding system |
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| CN111500577A (en) * | 2020-04-22 | 2020-08-07 | 上海海洋大学 | Application of RNA interference technology to research target gene in metamorphosis development process of shellfish larvae |
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| Publication number | Publication date |
|---|---|
| JP7421851B2 (en) | 2024-01-25 |
| CN115053851B (en) | 2023-06-02 |
| JP2023174575A (en) | 2023-12-07 |
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