CN107372243B - Solen grandis pond-reversing seedling transplanting device and method - Google Patents

Solen grandis pond-reversing seedling transplanting device and method Download PDF

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Publication number
CN107372243B
CN107372243B CN201710744058.0A CN201710744058A CN107372243B CN 107372243 B CN107372243 B CN 107372243B CN 201710744058 A CN201710744058 A CN 201710744058A CN 107372243 B CN107372243 B CN 107372243B
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Prior art keywords
pond
transplanting
water
pipe
way
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CN107372243A (en
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吴杨平
陈爱华
姚国兴
张雨
曹奕
张曹进
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JIANGSU MARINE FISHERIES RESEARCH INSTITUTE
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JIANGSU MARINE FISHERIES RESEARCH INSTITUTE
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/50Culture of aquatic animals of shellfish
    • A01K61/54Culture of aquatic animals of shellfish of bivalves, e.g. oysters or mussels
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K80/00Harvesting oysters, mussels, sponges or the like
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention relates to a solen grandis pond-inverting seedling transplanting device and a seedling transplanting method thereof. The seedling transplanting method comprises the following steps: selecting the time from 19:00 at night to 4:00 at next day; inserting the three-way intubation tube and the three-way tube, and binding the bolting silk mesh bag to a horizontal tube of the three-way intubation tube; opening the water outlet to drain water outwards, and collecting the Solen grandis seedlings entering the bolting silk mesh bag along with water flow; removing the three-way insertion pipe, inserting the straight insertion pipe into the three-way pipe, and performing moisture rising type water inlet from the bottom of the culture pond through the straight insertion pipe; repeating the steps (b) to (d) as appropriate. The method reduces the damage of the solen grandis seedlings in the transplanting process, and realizes efficient transplanting.

Description

Solen grandis pond-reversing seedling transplanting device and method
Technical Field
The invention belongs to the technical field of solen grandis seedling transplanting pools, and particularly relates to a solen grandis pond-reversing seedling transplanting device and a solen grandis seedling transplanting method.
Background
The common artificial breeding of bivalve shellfish is through floating life, attachment metamorphosis and benthic life stage. The planktonic larvae live planktonic in the culture water body through the surface plate, and after the larvae are attached and metamorphosed, the external form, the internal structure, the physiological function, the life habit and the like of the larvae are changed greatly. Attachment metamorphosis is the process of gathering the larvae from the space to the bottom surface, and finally, the larvae are completely transformed into benthic life. After the attachment, the living is buried and inhabited by taking the mud as the substrate. Along with the development of the cultivation process, a switching pool is carried out every 5-10 days in the early stage, the switching pool is also carried out 15-20 days in the later stage, the mud belt shellfish seedlings are flushed out of the cultivation pool through a 1-inch water pump in the switching pool process, and the mud seedlings enter mesh bags with different apertures through the cultivation pool pipeline to be separated.
Unlike other bivalve shellfish, the juvenile shells of the solen grandis are brittle, thin and tender, and the conventional water flushing method can cause damage and influence the survival rate; meanwhile, after the juvenile Solen grandis is 1-2 mm, the time of the pond is correspondingly prolonged along with the change, the bait feeding mode is that the artificial unicellular algae in a single form is fed to the mixed feeding of the rich water of the fishes and the shrimps, the excess bait, the excreted fake manure and other biological phases brought in the water changing process in the cultivation pond, such as young clamworms, naked flies and the like grow to make the substrate structure complex, the adhesion substances are increased, the mud-seedling separation is realized only by adopting mesh bags with different apertures, and the obtaining of cleaner juvenile mollusks is not possible, so that the juvenile mollusks can be washed repeatedly and even screened by using a sieve tray, and the cleaner juvenile mollusks can be obtained by changing hands for several times. In addition, the solen grandis fries 3-4 mm later are sometimes put into a sand layer for cultivation and breeding, and because no better method is available for realizing sand-fry separation at present, the cultivation with sand as a substrate brings inconvenience to the switching pool. Therefore, the existing method is not ideal for the young Solen grandis with thin shells and tender shells, regardless of simple washing during the young seedling or repeated screening and washing during the large seedling. Years of practice show that the giant solen has different habits after being attached with the common bivalve shellfish: the Solen grandis seedlings can live in the attaching base buried at the bottom of the pool in daytime and float in the water again under the dark condition. The method creates favorable conditions for overcoming the defect that the natural shells of the solen grandis are thin and easy to damage and finding a reliable and convenient pond-reversing seedling transplanting method.
Disclosure of Invention
The invention aims to solve the technical problem of providing a solen grandis pond-reversing seedling transplanting device and a solen grandis seedling transplanting method, which can reduce the damage to solen grandis seedlings in the pond reversing process and realize efficient seedling transplanting.
The technical scheme adopted by the invention for solving the technical problem is to provide a solen grandis pond-falling seedling transplanting device which comprises a tee joint, a three-way intubation tube, a straight intubation tube and a bolting silk mesh bag, wherein a water outlet is formed in the bottom of a cultivation pond and is externally connected with the tee joint, an upper through hole of the tee joint is connected with the three-way intubation tube during seedling transplanting and is connected with the straight intubation tube during water injection into the cultivation pond, the top ends of the three-way intubation tube and the straight intubation tube are equal in height with the edge of the top of the cultivation pond, and the bolting silk mesh bag is sleeved on a horizontal tube of the three-way intubation tube.
In a preferred embodiment of the present invention, the culture tank has a bottom inclined structure, and the drain port is provided at a lower position of the inclined bottom of the culture tank.
As a preferred embodiment of the present invention, the bolting silk mesh bag is a trapezoidal mesh, a large opening end of the bolting silk mesh bag is bound with a horizontal pipe of the three-way cannula, the other end of the bolting silk mesh bag is provided with a hook, the hook is connected with a rope, the rope controls the height of the bolting silk mesh bag by adjusting the length wound on a wood handle brush, and the wood handle brush is T-shaped.
In a preferred embodiment of the invention, the water discharging and feeding end of the water discharging opening is provided with a rubber plug which can be opened and closed controllably.
In a preferred embodiment of the present invention, one end of the horizontal pipe of the tee is connected to the water outlet, and the other end of the horizontal pipe of the tee can be opened for draining.
As a preferred embodiment of the invention, the water outlets of adjacent cultivation ponds are arranged adjacently, a water inlet pipe is arranged between two sets of seedling transplanting devices, and a water inlet pipe valve at the head end of the water inlet pipe is rotated by a rotary valve to realize steering so as to respectively inject water to the straight insertion pipes of the two sets of seedling transplanting devices.
In a preferred embodiment of the present invention, the top end of the straight insertion tube is provided with a funnel with a larger opening at the upper end.
The invention adopts another technical scheme for solving the technical problem to provide a seedling transplanting method of the solen grandis pond-reversing seedling transplanting device, which comprises the following steps:
a) selecting seedling transplanting time: according to the biological characteristics of plankton of young solen grandis under the dark condition, selecting the operation time from 19:00 at night to 4:00 at the next day as the operation time for falling pool and transplanting seedlings of the solen grandis;
b) preparing a seedling transplanting device: inserting the three-way intubation tube and the three-way tube, and binding the bolting silk mesh bag to a horizontal tube of the three-way intubation tube;
c) draining water and collecting the spat: opening a water outlet to discharge water outwards, enabling the solen grandis fries to enter a bolting silk mesh bag along with water flow to be collected, draining the culture water in the culture pond, and collecting the flowing solen grandis fries in batches;
d) water injection: removing the three-way insertion pipe, inserting the straight insertion pipe into the three-way pipe, and performing moisture rising type water inlet from the bottom of the culture pond through the straight insertion pipe;
e) and (d) repeating the steps (b) to (d) according to the situation of the Solen grandis fry transplanting and collecting in the culture pond to finish the work of the Solen grandis fry transplanting and collecting.
As a preferred embodiment of the present invention, the time for transplanting seedlings in the step (a) is selected to be between 19:00 and 22:00 in the evening.
As a preferred embodiment of the present invention, the height of the bolting silk net bag is adjusted in the step (b).
Advantageous effects
According to the invention, by utilizing the biological characteristics of plankton of young Solen grandis under the dark condition, the spat is transferred into the bolting silk mesh bag along with flowing water in a pool bottom drainage mode for collection, so that pressure water pump flushing of the pool is avoided, on one hand, damage to the Solen grandis spat can be reduced, on the other hand, water in the pool is relatively stable in the seedling transplanting process, a large amount of bottom materials of the pool are prevented from being discharged, clean and impurity-free spat can be obtained, the time for screening and removing impurities is saved, and the device is convenient and efficient. The invention has simple structure, low device cost and convenient operation, and is beneficial to saving labor force.
Drawings
FIG. 1 is a schematic view of the structure of the present invention during transplanting.
FIG. 2 is a schematic view of the structure of the present invention during water injection.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic structural view of the bolting silk mesh bag of the invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The solen grandis pond-reversing seedling transplanting device shown in fig. 1-4 comprises a three-way pipe 5, a three-way intubation pipe 13, a straight intubation pipe 4 and a bolting silk mesh bag 6.
The cultivation pool 1 is a 6m multiplied by 4m long-strip-shaped cement pool, the bottom of the cement pool is of a structure with one corner inclined downwards, and the water outlet 2 is arranged at one corner of the lower position of the cement pool and close to a sewer. The water discharging and water feeding end of the water discharging port 2 is provided with a rubber plug 3 which can control the opening and closing of water discharging.
The water outlet 2 is externally connected with a tee joint 5, one end of a horizontal pipe of the tee joint 5 is connected with the water outlet 2, the other end of the horizontal pipe can be opened for discharging sewage, an upper through hole of the tee joint 5 is connected with a tee joint inserting pipe 13 when seedling is moved, the upper through hole is connected with a PVC straight inserting pipe 4 when water is injected into the cultivation pool 1, and the top ends of the tee joint inserting pipe 13 and the straight inserting pipe 4 are equal to the top edge of the cultivation pool 1 in.
The horizontal pipe of the three-way insertion pipe 13 is sleeved with a bolting silk mesh bag 6, and the bolting silk mesh bag 6 is a trapezoidal mesh and is 1.95m long. The big opening end diameter of bolting-silk pocket 6 is 24cm, 60cm long gas pipeline is worn to big opening end and is used for binding with the horizontal pipe of tee bend intubate 13, little opening end opening diameter is 12cm, little opening end is equipped with area hook 8 apart from opening 5cm department, be connected with the rope on the area hook 8, the length control bolting-silk pocket 6 height on the wooden handle brush 7 is twined through adjusting to the rope, wooden handle brush 7 is the T type, prevent to arouse wooden handle brush 7 to produce rotatoryly because of bolting-silk pocket 6 gravity changes. The bolting silk mesh bag 6 can be a mesh bag with 100 meshes or 80 meshes, and different specifications are selected according to the size of the young shellfish.
The water outlet 2 of the adjacent cultivation pond 1 is arranged adjacently, a water inlet pipe 14 is arranged between two adjacent seedling transplanting devices, the water inlet pipe valve 9 at the head end of the water inlet pipe (14) rotates through a rotary valve 10 to realize steering and can respectively inject water to the straight insertion pipes 4 of the two sets of seedling transplanting devices, the top end of the straight insertion pipe 4 is provided with a funnel 12 with a larger upper end opening, and the water inlet pipe valve 9 feeds water to the funnel 12 through a hose 11.
The seedling transplanting method of the solen grandis reversed pond seedling transplanting device comprises the following steps:
a) selecting seedling transplanting time: according to the biological characteristics of planktonic of young Solen grandis under the dark condition, 19:00 in the evening to 4:00 in the next day are selected as the operation time for the falling pond and seedling transplanting of Solen grandis, a large amount of young Solen grandis are planktonic in the water body, and the first half night before 22:00 is generally selected as the preferable seedling transplanting.
b) Preparing a seedling transplanting device: the three-way insertion pipe 13 is inserted into the three-way pipe 5, the bolting silk net bag 6 is bound to the horizontal pipe of the three-way insertion pipe 13, and the height of the bolting silk net bag 6 in the sewer is controlled by adjusting the winding length of the rope through the wood handle brush 7.
c) Draining water and collecting the spat: the rubber plug 3 is pulled out, the water outlet 2 is opened, water is drained outwards, the solen grandis fries enter the bolting silk mesh bag 6 along with water flow to be collected, the culture water in the culture pond 1 is drained completely, and the flowing solen grandis fries are collected in batches. The collection amount of batch-collected seedlings is preferably 5-6 jin so as to avoid unnecessary damage caused by large seedling amount and heavy seedlings which are extruded mutually.
d) Water injection: and (3) removing the three-way insertion pipe 13, inserting the straight insertion pipe 4 and the three-way pipe 5, and performing tide-rising type water inflow from the bottom of the cultivation pool 1 through the straight insertion pipe 4, wherein the water inflow is 50-60 cm deep. The tide-rising type water inlet body is relatively mild, the bottom of the culture pond 1 can be effectively prevented from being washed, the next seedling transplanting can be carried out continuously, and the waiting time is shortened.
e) And (d) repeating the steps (b) to (d) according to the situation of the solen grandis fry transplanting and collecting in the culture pond 1 to finish the work of the solen grandis fry transplanting and collecting.
The seedling transplanting method utilizes the planktonic biological characteristics of young solen grandis under the dark condition, the seedlings are transferred to the bolting silk mesh bag 6 along with running water in a pool bottom drainage mode to be collected, pressure water pump flushing of a pool is avoided, on one hand, damage to the solen grandis seedlings can be reduced, on the other hand, pool water is relatively stable in the seedling transplanting process, a large amount of discharge of bottom materials of the pool is avoided, clean and impurity-free seedlings are obtained, the time for screening and washing out impurities is saved, and the seedling transplanting method is convenient and efficient.

Claims (9)

1. The utility model provides a solen grandis pond of falling transplanting seedlings method has used solen grandis pond transplanting seedlings device, transplanting seedlings device includes tee bend (5), tee bend intubate (13), straight intubate (4) and bolting silk pocket (6), its characterized in that: cultivate the bottom in pond (1) and be equipped with outlet (2), the external tee bend (5) of outlet (2), the last opening of tee bend (5) is connected with tee bend intubate (13) when transplanting seedlings, is being connected with straight intubate (4) when cultivating pond (1) water injection, the top of tee bend intubate (13) and straight intubate (4) is high with the top border of cultivating pond (1), the horizontal pipe cover of tee bend intubate (13) has bolting-silk pocket (6), including following step:
(a) selecting seedling transplanting time: according to the biological characteristics of plankton of young solen grandis under the dark condition, selecting the operation time from 19:00 at night to 4:00 at the next day as the operation time for falling pool and transplanting seedlings of the solen grandis;
(b) preparing a seedling transplanting device: inserting the three-way insertion tube (13) and the three-way tube (5) and binding the bolting silk mesh bag (6) to the horizontal tube of the three-way insertion tube (13);
(c) draining water and collecting the spat: opening the water outlet (2) to drain water outwards, enabling the solen grandis fries to enter a bolting silk mesh bag (6) along with water flow to be collected, draining the culture water in the culture pond (1) completely, and collecting the flowing solen grandis fries in batches;
(d) water injection: the three-way insertion pipe (13) is detached, the straight insertion pipe (4) is inserted into the three-way pipe (5), and moisture rising type water inlet is carried out from the bottom of the cultivation pool (1) through the straight insertion pipe (4);
(e) and (d) repeating the steps (b) to (d) according to the situation of the Solen grandis fry transplanting and collecting in the breeding pond (1) to finish the work of the Solen grandis fry transplanting and collecting.
2. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: cultivate pond (1) for the structure of bottom slope, outlet (2) set up in the low level of cultivating pond (1) slope bottom.
3. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: the multifunctional screen cloth is characterized in that the screen cloth mesh bag (6) is a trapezoidal net, a large opening end of the screen cloth mesh bag (6) is bound with a horizontal pipe of the three-way insertion pipe (13), the other end of the screen cloth mesh bag is provided with a belt hook (8), a rope is connected onto the belt hook (8), the height of the screen cloth mesh bag (6) is controlled by adjusting the length of the rope wound on the wood handle brush (7), and the wood handle brush (7) is T-shaped.
4. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: the water discharging and feeding end of the water discharging port (2) is provided with a rubber plug (3) which can be controlled to be opened and closed.
5. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: one end of a horizontal pipe of the tee joint (5) is connected with the water outlet (2), and the other end of the horizontal pipe can be opened for discharging sewage.
6. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: the water outlet (2) of the adjacent culture pond (1) is arranged adjacent to each other, a water inlet pipe (14) is arranged between the two adjacent seedling transplanting devices, and a water inlet pipe valve (9) at the head end of the water inlet pipe (14) rotates through a rotary valve (10) to realize steering and can respectively inject water into the straight insertion pipes (4) of the two seedling transplanting devices.
7. The method for transplanting razor clam in the pond as claimed in claim 1 or 6, wherein: the top end of the straight insertion pipe (4) is provided with a funnel (12) with a larger opening at the upper end.
8. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: the time for transplanting the seedlings in the step (a) is selected to be 19:00 to 22:00 in the evening.
9. The method for transplanting razor clam in the pond as claimed in claim 1, wherein: in the step (b), the height of the bolting silk net bag (6) is adjusted.
CN201710744058.0A 2017-08-25 2017-08-25 Solen grandis pond-reversing seedling transplanting device and method Active CN107372243B (en)

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