CN108522374A - Suitable for greenling incubating oosperm and prelarva collection device and its method - Google Patents
Suitable for greenling incubating oosperm and prelarva collection device and its method Download PDFInfo
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- CN108522374A CN108522374A CN201810357920.7A CN201810357920A CN108522374A CN 108522374 A CN108522374 A CN 108522374A CN 201810357920 A CN201810357920 A CN 201810357920A CN 108522374 A CN108522374 A CN 108522374A
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- 241001417941 Hexagrammidae Species 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 235000013601 eggs Nutrition 0.000 claims description 23
- 239000013535 sea water Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 7
- 102000002322 Egg Proteins Human genes 0.000 claims description 6
- 108010000912 Egg Proteins Proteins 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 210000004681 ovum Anatomy 0.000 claims description 6
- 238000006213 oxygenation reaction Methods 0.000 claims description 6
- 238000005273 aeration Methods 0.000 claims description 4
- 230000004720 fertilization Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000008400 supply water Substances 0.000 claims 1
- 230000012447 hatching Effects 0.000 abstract description 18
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 230000000638 stimulation Effects 0.000 abstract description 2
- 241000251468 Actinopterygii Species 0.000 description 4
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 241000239250 Copepoda Species 0.000 description 2
- 241000791868 Selene orstedii Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241001529596 Pontinus kuhlii Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
- A01K61/17—Hatching, e.g. incubators
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to technical field of aquaculture, more particularly to a kind of to be suitable for greenling incubating oosperm and prelarva collection device and its method.Described device includes cistern, hatchery, prelarva collecting pit, bolting silk prelarva collecting net and return water system, wherein cistern and prelarva collecting pit are respectively arranged at the both ends of hatchery, cistern is supplied water by water system for hatchery, prelarva collecting pit is connected to hatchery, bolting silk prelarva collecting net is set in prelarva collecting pit, for collecting prelarva, return water system forms water circulation system for the water in prelarva collecting pit to be transmitted back in hatchery.The invention can ensure that water temperature stability, dissolved oxygen are sufficient during hatching and have stimulation by running water always；Newly hatched larvae can be directly entered collection device with flow, and Human disturbance is small and easy to operate；A whole set of hatching apparatus is easily built, removes and is moved.
Description
Technical field
The present invention relates to technical field of aquaculture, more particularly to a kind of to be suitable for greenling incubating oosperm and son
Fish collection device and its method.
Background technology
Greenling is often referred to Greenling section fish, belongs to rockfish shape mesh, Greenling suborder, including Greenling belongs to and spot head fish category,
It is distributed in Japan, Korea, all seas of Russian Far East and Huanghai-Bohai seas area of China, is cold warm nature coastal waters bottom rocky fishes.China point
Be furnished with greenling, long line Greenling, cross wires Greenling and spot head fish, fine and tender taste, delicious flavour, economic value compared with
Height, it is deep to be favored by consumers in general and culturist, it is the desirable class of northern China cage culture, and carry out fish stock increasing and put
Stream and development trip fish the ideal kind of fishery.Since it is resistant to low temperature, natural spawning season is autumn to winter, in northern China
Without carrying out special temperature raising to seawater during artificial breeding, production cost is saved, there is wide promotion prospect.
Greenling production sink property, viscid egg, due to the ovum grain of after fertilization adhere mutually it is agglomerating, under artificial condition, pieces of an egg
Internal ovum can be dead due to anoxic.If pieces of an egg are smooth at ovum piece, some cohesive blocking fertilized eggs are being removed mutually
Process can cause to damage to egg membrane.Furthermore it is very big with hatchability of fertile eggs difference under natural conditions under artificial condition, flow is slow,
It is to lead to the main reason for hatching rate is low under artificial condition that dissolved oxygen is low, and the bottleneck of Greenling artificial breeding technology at present.It is former
Some hatchery facilities and technique, it is difficult to form the flow needed for hatching and high dissolved oxygen；Meanwhile original newly hatched larvae collection method
There is also inconveniences, be easy to cause fish-egg damage, need to be improved.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide one kind being suitable for greenling incubating oosperm and prelarva
Collection device and its method, to solve original hatchery facility and technique is difficult to be formed the flow and high dissolved oxygen needed for hatching and just incubates
There is also inconveniences for prelarva collection method, be easy to cause the problem of fish-egg damages.
To achieve the goals above, the present invention uses following technical scheme：
One kind being suitable for greenling incubating oosperm and prelarva collection device, including cistern, hatchery, just incubates son
Fish collecting pit, bolting silk prelarva collecting net and return water system, wherein cistern and newly hatched larvae collecting pit are respectively arranged at hatchery
Both ends, the cistern is that the hatchery is supplied water by water system, and the newly hatched larvae collecting pit is connected to hatchery,
The bolting silk prelarva collecting net is set in the newly hatched larvae collecting pit, and for collecting prelarva, the return water system is used for will
Water in the newly hatched larvae collecting pit is transmitted back in the hatchery, forms water circulation system.
The mesh sheet for fixing greenling fertilized eggs piece is equipped in the hatchery.
The mesh sheet is two layers and is laid in the bottom of the hatchery, and greenling fertilized eggs piece is fixed on two layers
Between the mesh sheet, the mesh sheet uses plastic material.
The water system includes water supply pump and the feed pipe that is connect with the water supply pump, and the water supply pump is set to described
In cistern, the water outlet of the feed pipe is set in the hatchery, make in the hatchery formed seawater to it is described just
Incubate the unimodal current of prelarva collecting pit direction flowing.
The return water system includes back water pump, return pipe and branched pipe, and wherein back water pump is set to the newly hatched larvae and receives
It is connect in collection pond and with return pipe, the return pipe upper edge length direction is equipped with multiple for moisture to be flow in the hatchery
Branched pipe.
The end of each branched pipe is equipped with water outlet water return outlet of the direction towards the newly hatched larvae collecting pit.
Aeration tube and heating apparatus are equipped in the cistern.
The upper end of the newly hatched larvae collecting pit is equipped with overflow pipe.
A kind of method that described device carries out greenling incubating oosperm and prelarva is collected, the sea in the cistern
Water is squeezed by water system in hatchery, and is formed in one direction flow direction newly hatched larvae collecting pit；The newly hatched larvae
Seawater in collecting pit is again introduced by return water system in hatchery, to enhance the water velocity and flow in the hatchery
Amount；Greenling fertilized eggs piece in hatchery is fixed between two layers of mesh sheet；Newly hatched larvae enters newly hatched larvae with flow
It is collected in collecting pit and by bolting silk prelarva collecting net.
Seawater in the cistern is adjusted by heating apparatus into trip temperature, and oxygenation is carried out by exposing oxygen device.
Advantages of the present invention and advantageous effect are：
1. the present invention is directed to greenling low problem of hatching rate under artificial condition, solves greenling fertilization
The conditions such as high water velocity and streamflow, high dissolved oxygen needed for egg hatching, have been obviously improved the hatching rate of greenling, and
Provide more convenient, safe newly hatched larvae hatching and collection method.
2. present invention accomplishes flow condition and dissolved oxygen condition needed for greenling incubating oosperm, hatching rate is reachable
95%, significantly improve the hatching rate of greenling.
3. the water in newly hatched larvae collecting pit of the present invention is by back water pump reuse, recycle-water is consistent with former water (flow) direction, increases
Big water velocity and water flow through fish-egg, while having saved water consumption.
Between 4. ovum piece is layed in plastic deeping by the present invention, it can prevent that it drifts about with flow.
5. newly hatched larvae of the present invention can periodically be collected band water directly from bolting silk collecting net, there is operation facility, to prelarva
The advantages that interference is few.
6. package unit of the present invention is easy to install and dismantles, can directly be built using brick, mulch in cultivating workshop；Also it can make
Make special pp materials device.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the sectional view of the present invention.
In figure：1 is cistern, and 2 be heating apparatus, and 3 be water supply pump, and 4 be hatchery, and 5 be newly hatched larvae collecting pit, and 6 are
Bolting silk prelarva collecting net, 7 be back water pump, and 8 be water return outlet, and 9 be mesh sheet, and 10 be overflow pipe, and 11 be feed pipe, and 12 be return pipe,
13 be branched pipe, and 14 be oxygen supplying tube.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
As shown in Figs. 1-2, the present invention provides one kind being suitable for greenling incubating oosperm and prelarva collection device,
Including cistern 1, hatchery 4, newly hatched larvae collecting pit 5, bolting silk prelarva collecting net 6 and return water system, wherein cistern 1 and just
The both ends that prelarva collecting pit 5 is respectively arranged at hatchery 4 are incubated, cistern 1 is supplied water by water system for hatchery 4, and son is just incubated
Fish collecting pit 5 is connected to hatchery 4, and bolting silk prelarva collecting net 6 is set in newly hatched larvae collecting pit 5, for collecting prelarva, is returned
Water system forms water circulation system for the water in newly hatched larvae collecting pit 5 to be transmitted back in hatchery 4.
The mesh sheet 9 for fixing greenling fertilized eggs piece is equipped in hatchery 4.Mesh sheet 9 is two layers and is laid in and incubates
Change the bottom in pond 4, greenling fertilized eggs piece is fixed between two layers of mesh sheet 9, and mesh sheet 9 uses plastic material.
Water system includes water supply pump 3 and the feed pipe being connect with water supply pump 3 11, and water supply pump 3 is set in cistern 1,
The water outlet of feed pipe 11 is set in hatchery 4, makes to be formed seawater in hatchery 4 to the flowing of 5 direction of newly hatched larvae collecting pit
Unimodal current.
Return water system includes back water pump 7, return pipe 12 and branched pipe 13, and wherein back water pump 7 is set to newly hatched larvae collection
It is connect in pond 5 and with return pipe 12,12 upper edge length direction of return pipe is equipped with multiple points for flowing to moisture in hatchery 4
The end of branch pipe 13, each branched pipe 13 is equipped with water outlet water return outlet 8 of the direction towards newly hatched larvae collecting pit 5.
The outside wall parallel of return pipe 12 and hatchery 4,13 arranged at equal intervals of multiple branched pipes, is led by the upper end of hatchery 4
Enter in hatchery 4, equidirectional elbow is followed by into hatchery 4, keep importing flow identical as hatchery original water (flow) direction, with enhancing
The water velocity of hatchery.
Aeration tube 14 and heating apparatus 2 are equipped in cistern 1.The upper end of newly hatched larvae collecting pit 5 is equipped with overflow pipe 10, sieve
The mesh number of thin,tough silk prelarva collecting net 6 is 30 mesh
Operation principle provided by the invention suitable for greenling incubating oosperm and prelarva collection device is：
Cistern 1 is connect with hatchery 4 by feed pipe 11 and water supply pump 3, heated 2 He of device of the seawater in cistern 1
Aeration tube 14 carries out temperature adjustment and oxygenation, then is squeezed into hatchery 4 by feed pipe 11 by water supply pump 3, and formation flows to newly hatched larvae
The one direction flow of collecting pit 5；Hatchery 4 is connect with newly hatched larvae collecting pit 5, and the water of newly hatched larvae collecting pit 5 is through back water pump 7
Enter in hatchery 4 with return pipe 12, flow identical with former water (flow) direction in hatchery 4 is formed, to enhance in hatchery 4
Water velocity and water flow；Greenling fertilized eggs piece in hatchery 4 is fixed between two layers of mesh sheet 9, to prevent it with water
Stream drift；Newly hatched larvae enters with flow in newly hatched larvae collecting pit 5, and periodically with band water mode of operation from bolting silk collecting net 6
It removes.
A kind of method that greenling incubating oosperm and prelarva are collected, the seawater in cistern 1 pass through water system
It squeezes into hatchery 4, and is formed in one direction flow direction newly hatched larvae collecting pit 5；Seawater in newly hatched larvae collecting pit 5 is logical
It crosses return water system to be again introduced into hatchery 4, to enhance the water velocity and water flow in hatchery 4；It is big Long in hatchery 4
Greenling fertilized eggs piece is fixed between two layers of mesh sheet 9；Newly hatched larvae enters in newly hatched larvae collecting pit 5 and passes through with flow
Bolting silk prelarva collecting net 6 is collected.
Seawater in cistern 1 is adjusted by heating apparatus into trip temperature, and oxygenation is carried out by exposing oxygen device.
The specific steps that greenling incubating oosperm and prelarva are collected：Greenling fertilized eggs are positioned over a net
It on piece 9, is horizontally placed in hatchery 4, mesh sheet 9 is slightly wide compared with hatchery 4, then the mesh sheet 9 of another same size of overlying, to anti-
Only fertilized eggs drift about with flow, 16 DEG C of Constant temperature hatchs, running water.During hatching, fertilized eggs piece is periodically taken out, it is clear with fresh seawater
It washes, to remove the Copepods etc. of attachment, and prevents mould from adhering to.Through 18-20 days, greenling hatching, newly hatched larvae was with water
Stream enters in the bolting silk prelarva collecting net 6 in newly hatched larvae collecting pit 5, takes out newly hatched larvae by band water mode of operation, moves into
Seed cultivation pool.
Embodiment one
The present invention is tested in the breeding enterprise of Weihai in Shandong province one.If cistern 1, hatchery 4 and newly hatched larvae are collected
Pond 5 has nature seawater in cistern 1, regulates and controls 14 DEG C of water temperature, fills pure oxygen；Oxygenation, tempered water pass through feed pipe by water supply pump 3
It is squeezed into one end of hatchery 4, forms the one direction flow for flowing to newly hatched larvae collecting pit 5, running water in hatchery 4；Stream
Enter the seawater in newly hatched larvae collecting pit 5, returns to hatchery 4 through back water pump 7, return pipe 12, formed and raw water stream in hatchery 4
The identical flow in direction, to enhance the water velocity of hatchery 4.Greenling fertilized eggs are positioned over the mesh sheet of a plastic material
It on 9, is horizontally placed in hatchery, mesh sheet 9 is slightly wide compared with hatchery, then the mesh sheet of the plastic material of another same size of its overlying
9, to prevent fertilized eggs from drifting about with flow, 14 DEG C of Constant temperature hatchs, running water during hatching, periodically takes out fertilized eggs piece, with new
Fresh seawater cleaning, to remove the Copepods etc. of attachment, and prevents mould from adhering to.Through 22-25 days, greenling hatching was just incubated
Prelarva enters with flow in the bolting silk prelarva collecting net 6 in newly hatched larvae collecting pit 5, is taken out by band water mode of operation and just incubates son
Fish moves into seed cultivation pool.In this facility, according to the method, greenling hatching rate is up to 95%.
In the present embodiment, cistern about 16m3, water temperature control is at 14 DEG C or so, 90% or more dissolved oxygen, temperature control oxygenation water by
The top of hatchery 4 enters in hatchery 4.It is divided into 4-5m between branched pipe 13 on return pipe 12, is followed by together into hatchery
Direction elbow keeps importing flow identical as hatchery original water (flow) direction, to enhance the water velocity of hatchery.Hatchery 4 is length
Cube designs, a height of 35-50cm, and width 30-35cm, a length of 60-65m, brickwork construction, laying plastic, 4 end of hatchery connects
Newly hatched larvae collecting pit 5.Newly hatched larvae collecting pit 5 is a cuboid pond, and a length of 3m, width 0.6m, a height of 0.40m can be
Brickwork construction, laying plastic are connect with hatchery 4, are equipped with gap 10.The greenling incubating oosperm period is being closed on,
It is laid with the bolting silk prelarva collecting net 6 of 30 mesh in newly hatched larvae collecting pit 5, escapes to prevent newly hatched larvae, and is periodically operated with band water
Mode removes newly hatched larvae.
For greenling fertilized eggs sink property, high viscosity, ovum grain is big and brooding time is long the features such as, the device of the invention
It can guarantee that water temperature stability, dissolved oxygen are sufficient during hatching and have stimulation by running water always；Newly hatched larvae can be directly entered collection with flow
Device, Human disturbance are small and easy to operate；A whole set of hatching apparatus is easily built, removes and is moved.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the present invention.It is all in the present invention
Spirit and principle within any modification, equivalent replacement, improvement, extension etc., be all contained in protection scope of the present invention
It is interior.
Claims (10)
1. one kind be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that including cistern (1),
Hatchery (4), newly hatched larvae collecting pit (5), bolting silk prelarva collecting net (6) and return water system wherein cistern (1) and just incubate son
Fish collecting pit (5) is respectively arranged at the both ends of hatchery (4), and the cistern (1) is the hatchery (4) by water system
Supply water, the newly hatched larvae collecting pit (5) is connected to hatchery (4), the bolting silk prelarva collecting net (6) be set to it is described at the beginning of incubate
In prelarva collecting pit (5), for collecting prelarva, the return water system is used for the water in the newly hatched larvae collecting pit (5) is defeated
It sends back in the hatchery (4), forms water circulation system.
2. according to claim 1 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
The mesh sheet (9) for fixing greenling fertilized eggs piece is equipped in the hatchery (4).
3. according to claim 2 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
The mesh sheet (9) is two layers and is laid in the bottom of the hatchery (4), and greenling fertilized eggs piece is fixed on two layers of institute
Between stating mesh sheet (9), the mesh sheet (9) uses plastic material.
4. according to claim 1 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
The water system includes water supply pump (3) and the feed pipe (11) being connect with the water supply pump (3), water supply pump (3) setting
In the cistern (1), the water outlet of the feed pipe (11) is set in the hatchery (4), makes the hatchery (4)
The interior unimodal current for forming seawater and being flowed to newly hatched larvae collecting pit (5) direction.
5. according to claim 1 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
The return water system includes back water pump (7), return pipe (12) and branched pipe (13), and wherein back water pump (7), which is set to, described just incubates
It is connect in prelarva collecting pit (5) and with return pipe (12), return pipe (12) the upper edge length direction is equipped with multiple be used for moisture
The branched pipe (13) flowing in the hatchery (4).
6. according to claim 5 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
The end of each branched pipe (13) is equipped with water outlet water return outlet (8) of the direction towards the newly hatched larvae collecting pit (5).
7. according to claim 1 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
Aeration tube (14) and heating apparatus (2) are equipped in the cistern (1).
8. according to claim 1 be suitable for greenling incubating oosperm and prelarva collection device, which is characterized in that
The upper end of the newly hatched larvae collecting pit (5) is equipped with overflow pipe (10).
9. a kind of side carrying out greenling incubating oosperm using any one of claim 1-8 described devices and prelarva is collected
Method, which is characterized in that the seawater in the cistern (1) is squeezed by water system in hatchery (4), and forms one direction water
Stream flows in newly hatched larvae collecting pit (5)；Seawater in the newly hatched larvae collecting pit (5) is again introduced by return water system incubates
Change in pond (4), to enhance water velocity and water flow in the hatchery (4)；Greenling fertilization in hatchery (4)
Ovum piece is fixed between two layers of mesh sheet (9)；Newly hatched larvae enters with flow in newly hatched larvae collecting pit (5) and by bolting silk son
Fish collecting net (6) is collected.
10. according to the method described in claim 9, it is characterized in that, seawater in the cistern (1) by heating apparatus into
Trip temperature is adjusted, and oxygenation is carried out by exposing oxygen device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357920.7A CN108522374B (en) | 2018-04-20 | 2018-04-20 | Device and method suitable for greenling fertilized egg incubation and fry collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810357920.7A CN108522374B (en) | 2018-04-20 | 2018-04-20 | Device and method suitable for greenling fertilized egg incubation and fry collection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108522374A true CN108522374A (en) | 2018-09-14 |
| CN108522374B CN108522374B (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810357920.7A Active CN108522374B (en) | 2018-04-20 | 2018-04-20 | Device and method suitable for greenling fertilized egg incubation and fry collection |
Country Status (1)
| Country | Link |
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| CN (1) | CN108522374B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111528171A (en) * | 2020-06-17 | 2020-08-14 | 山东省海洋生物研究院 | Seedling emergence device for industrial aquaculture workshop and use method |
| CN112042571A (en) * | 2020-09-14 | 2020-12-08 | 广西壮族自治区水产引育种中心 | Breeding system and method for native carps in rice field |
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| CN112042571A (en) * | 2020-09-14 | 2020-12-08 | 广西壮族自治区水产引育种中心 | Breeding system and method for native carps in rice field |
| CN112042571B (en) * | 2020-09-14 | 2022-03-04 | 广西壮族自治区水产引育种中心 | Breeding system and method for native carps in rice field |
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