CN110447579A - It is a kind of suitable for close spiral shell cultivate and larvae rearing device and method - Google Patents
It is a kind of suitable for close spiral shell cultivate and larvae rearing device and method Download PDFInfo
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- CN110447579A CN110447579A CN201910819401.2A CN201910819401A CN110447579A CN 110447579 A CN110447579 A CN 110447579A CN 201910819401 A CN201910819401 A CN 201910819401A CN 110447579 A CN110447579 A CN 110447579A
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- spiral shell
- corrugated plating
- close spiral
- egg capsule
- basket
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000000384 rearing effect Effects 0.000 title claims abstract description 16
- 238000007747 plating Methods 0.000 claims abstract description 53
- 239000002775 capsule Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 102000002322 Egg Proteins Human genes 0.000 claims abstract description 21
- 108010000912 Egg Proteins Proteins 0.000 claims abstract description 21
- 210000004681 ovum Anatomy 0.000 claims abstract description 21
- 230000012447 hatching Effects 0.000 claims abstract description 16
- 238000002203 pretreatment Methods 0.000 claims abstract description 3
- 239000013535 sea water Substances 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 6
- 238000009287 sand filtration Methods 0.000 claims description 6
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 241000237858 Gastropoda Species 0.000 abstract description 7
- 238000009395 breeding Methods 0.000 abstract description 7
- 230000001488 breeding effect Effects 0.000 abstract description 7
- 235000013601 eggs Nutrition 0.000 description 41
- 241000512294 Thais Species 0.000 description 12
- 239000004033 plastic Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000514719 Mactra quadrangularis Species 0.000 description 2
- 241000543567 Rapana venosa Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000017448 oviposition Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 235000015170 shellfish Nutrition 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241001284869 Reishia bronni Species 0.000 description 1
- 241001115039 Ruditapes Species 0.000 description 1
- 241000620877 Ruditapes philippinarum Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
- A01K61/53—Baskets therefor
-
- 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)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention provides it is a kind of suitable for close spiral shell cultivate and larvae rearing device and method, the apparatus main body is a case structure body, it is fastened by two baskets, the basket is surrounded by latticed aperture, multilayer thin bar is equipped in the basket, every layer is equipped with several thin bars, and is placed with corrugated plating in every layer of thin bar.Utilize the device, close spiral shell is subjected to pre-treatment first, it will be on the corrugated plating in close spiral shell apparatus for placing, the egg capsule of close spiral shell output is mainly attached on corrugated plating, multiple egg capsule base portions are connected to ovum cluster, when when occupying certain area of ovum cluster on corrugated plating, close spiral shell in withdrawing device moves into device and corrugated plating in hatchery together with egg capsule and hatches；During hatching, water is changed in continuous micro inflation daily.The present invention is that gastropod seed breeding has saved a large amount of manpower and financial resources, and has achieved the purpose that good close spiral shell is cultivated and egg capsule acquires and efficiently hatches, and device and method are simple and convenient, are convenient for large-scale promotion application.
Description
Technical field
The present invention relates to a kind of close spiral shell cultivation and the device and method of larvae rearing, belong to aquaculture field.
Background technique
Thais clavgeria (Thais clavigeraKuster it) is commonly called as " peppery spiral shell " or " bitter spiral shell ", it is coastal to be distributed in China north and south
On the rock reef in the intertidal zone area Zhong Xia.For Thais clavgeria at the high 30 ~ 45mm of body shell, delicious flavour is quite popular with consumers.Now because excessively
It fishes, resource is almost deficient, is badly in need of repairing resource by artificial fecundation mode.During implementing stock enhancement, it is necessary first to
Solve seed supply problem.Artificial breeding is the important channel of seed supply.In reproductive process, Thais clavgeria post-coitum is female
Spiral shell meeting output egg capsule is simultaneously adhered in matrix (i.e. attachment base).Selecting which type of attachment base that could efficiently obtain high-quality egg capsule is
The primary link that artificial breeding need of work faces.
During gastropod artificial breeding, in relation to acquire egg capsule attachment base mainly include stone, cement plate, tile,
The equipment such as sieve and corrugated plating.It tests at us in production process, the equipment such as discovery stone, cement plate and tile are more stupid
Weight, is extremely unfavorable for operating；The water penetration of sieve is preferable, but the material is soft, is unfavorable for the attachment of egg capsule colloid pedestal, in attachment
Egg capsule often there is pedestal and be detached from attachment base and cause the drawback of the rubescent death of egg capsule.Corrugated plating material is transparent convenient for observing,
It is light to be conducive to operational administrative, but the corrugated plating of single layer is unfavorable for the comprehensive utilization of Water space.
In addition, above-mentioned attachment base is when in use all in open state, so that gastropod parent spiral shell is usually escaped to attachment base
Inconvenience is brought to pond operation is changed in outside.As it can be seen that above-mentioned equipment and method cut both ways, but all need to improve.That is,
During gastropod artificial breeding, the attachment base of egg capsule is inhabited and acquired for close spiral shell, is badly in need of exploitation and had not only been facilitated operation but also energy
Comprehensively utilize water body, moreover it is possible to prevent a kind of new device of close spiral shell escape, and train using the close spiral shell that this device is formed as carrier
Educate the method with efficient larvae rearing.
Summary of the invention
The object of the present invention is to provide it is a kind of suitable for close spiral shell cultivate and larvae rearing device, another mesh of the invention is to mention
It is provided with the method for close spiral shell cultivation and efficient larvae rearing that the device is carrier, to overcome existing gastropod parent spiral shell to cultivate and adopt ovum
Hatch the disadvantages mentioned above of equipment and method.
In order to achieve the above objectives, the present invention take the specific technical proposal is:
It is a kind of suitable for close spiral shell cultivate and larvae rearing device, the apparatus main body be a case structure body, by two basket buttons
It closing, the basket is surrounded by latticed aperture, is used for exchange of seawater, it is equipped with multilayer thin bar in the basket, every layer
Corrugated plating is placed with equipped with several thin bars, and in every layer of thin bar.
Further, it is additionally provided on the corrugated plating and walks hole, can walked for close spiral shell.
Further, the side of described two baskets is fixedly connected by hinge；The other side of described two baskets
It is fixed by snap.
Further, the upper end of described device is additionally provided with lifting rope, and there is buoy in the other end system of the lifting rope, and buoy is entire dress
Offer buoyancy is provided, is suspended on basket in water layer, and can be floated up and down with depth of water；By adjusting lifting rope length, control
Basket hangs water depth.
Further, the bottom end of described device also is provided with corrugated plating.
Further, the corrugated plating is transparent polyethylene, inhabites and acquire egg capsule, multilaminar polyethylene ripple for close spiral shell
The multilayer space that plate is formed, which can efficiently increase close spiral shell and inhabit, facilitates look at egg capsule colloid with egg capsule bond area, transparent material
The case where pedestal.
Further, it walks hole for described corrugated plating setting 4, walks hole and be uniformly distributed on corrugated plating, in order to close spiral shell
It is walked between corrugated plating tow sides, is also beneficial to exchange of seawater；The width of the close spiral shell of size at least two in hole is walked, and
And the surrounding of aperture keeps smooth, in order to which close spiral shell accessible can travel freely, while smooth hole week can effectively avoid parent
Spiral shell walks process mesopodium portion injury.
Further, a length of 30 ~ 35cm of the basket, width are 15 ~ 20cm, a height of 10 ~ 15cm；The basket surrounding net
Trellis aperture diagonal line length is 1 ~ 1.2cm；The thin bar is plastics material system or wooden, a length of 18 ~ 25cm；The corrugated plating is a length of
25 ~ 30cm, width are 10 ~ 15cm, and opening diameter thereon is 4 ~ 6cm.Buoy is plastics or foam, and diameter is about 12cm,
Buoyancy in water ensures in 3kg or more；The lifting rope is polyethylene material, and diameter is about 3mm.
A method of suitable for the cultivation of close spiral shell and larvae rearing, comprising the following steps:
(1) parent's spiral shell is cultivated: close spiral shell being carried out pre-treatment first, close spiral shell is placed the above-mentioned dress for being suitable for close spiral shell cultivation and larvae rearing
On corrugated plating in setting, then whole device is put in culture pond, and store up close spiral shell using sand filtration seawater；
(2) close spiral shell adopts ovum: the egg capsule of close spiral shell output is mainly attached on corrugated plating, and multiple egg capsule base portions are connected to ovum cluster, works as wave
When occupying certain area of ovum cluster on card, the close spiral shell in withdrawing device incubate device and corrugated plating together with egg capsule immigration
Change and hatches in pond；
(3) hatch: during hatching, continuous micro inflation changes water, after egg capsule hatches sufficient amount of larva, by device daily
New hatchery is transferred to together with unhatched egg capsule with corrugated plating to continue to hatch.
Further, in the step (1), to keep storing up the stabilization of environment, by adjusting lifting rope in described device
Length makes device distance from top water meter 30cm；Residual bait and dead spiral shell situation are checked by opening buckle device for opening；After removing is ingested
After remaining shell and the close spiral shell of death, living body shellfish is fed, spiral shell basket is then closed by closure buckle, and spiral shell basket is put back to training
Pond is educated, continues to store up close spiral shell；Water continuous charge, the culture pond depth of water are controlled in 80cm or so；Day quantity of exchanged water be water 30% ~
40%, change Chi Yici within every 4 days；During entire close spiral shell is stored up, situations such as primary close spiral shell is ingested and moved, hair are at least checked daily
Existing problem analyzes solution in time.
Further, in the step (2), when the egg capsule of corrugated plating side occupies certain area, described device is overturn
It is inverted, close spiral shell continues to adopt ovum by the hole arrival corrugated plating of walking on corrugated plating；When the area of ovum cluster on the corrugated plating occupies
Whole plate 60% or more when, it is clean together with egg capsule one to be reinstated sand filtration seawater flushing by the close spiral shell in withdrawing device for device and corrugated plating
Afterwards, it moves into hatchery and hatches.
Further, it in the step (3), cultivates pool water level and is maintained at 85 ~ 90cm, change daily water 1 time, quantity of exchanged water is to incubate
Change the 1/3 of water body, hatching is S30 ~ 33 with seawater salinity, and water temperature is 27 ~ 29 DEG C.
Above-mentioned apparatus and method are suitable for Thais clavgeria parent spiral shell and cultivate, adopt ovum and hatching method, it is also possible to arrive such as Rapana venosa
(Rapana venosa) or tumor dog whelk (Thais bronni) etc. other gastropods.
The advantages of the present invention:
Basket and attachment base selection in the present invention are that plastic material is easy to move and grasp so that whole device is firm, light
Make；The close spiral shell of the very convenient timely observation of transparent attachment base inhabites state and egg capsule adhesion condition；Dexterously utilize plastic material
Or wooden thin bar is divided into entire basket in three-dimensional multilayer space, increases close spiral shell and inhabit and egg capsule collection surface as bracket
Product；The latticed aperture of basket surrounding is convenient for close spiral shell residual bait and excrement Quick release device, moreover, considerably increasing the logical of seawater
Permeability has ensured the update efficiency and quality of water environment of seawater in device；The smooth hole of walking being arranged in attachment base both facilitated
Travelling freely for close spiral shell, and effectively reduce close spiral shell and walk the risk of process mesopodium portion injury, while also improving attachment base
Exchange of seawater speed and effect between tow sides, also solve the problem of accumulating mutually when larva hatches from egg capsule；Egg capsule
After acquisition, it is only necessary to remove close spiral shell can egg capsule together with attachment base and basket global transfer into hatchery, be conducive to hatch
Attachment base is moved in the process, so that hatching operation becomes light simplicity.
The present invention is based on Thais clavgeria habitat condition, egg capsule characteristic distributions and hatchings to require, and apparatus structure design is simple, takes
Material is convenient, is easy to make, and low manufacture cost, the ingenious science of overall procedure；Operation is not only improved, and water body can be comprehensively utilized,
It can also prevent close spiral shell from escaping.It was verified that the present invention is that gastropod seed breeding has saved a large amount of manpower and financial resources, and reaches
Good close spiral shell is cultivated and egg capsule acquisition and the purpose efficiently hatched, and device and method are simple and convenient, convenient for pushing away on a large scale
Wide application.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the structural schematic diagram of corrugated plating in the present invention.
Fig. 3 is the schematic diagram of the section structure of the present invention along long side.
Fig. 4 is corrugated plating in the present invention and its walks hole pictorial diagram.
Wherein, 1- basket, the latticed aperture of 2-, 3- thin bar, 4- buckle, 5- corrugated plating, 6- walk hole, 7- hinge, and 8- is hung
Rope, 9- buoy.
Specific embodiment
Below in conjunction with attached drawing and specific example, the present invention is further described.
Embodiment 1:
A kind of close spiral shell as shown in Figure 1 is cultivated and larvae rearing device, the basket 1 including 2 in cube, and basket 1 a length of 30 ~
35cm, width are 15 ~ 20cm, a height of 10 ~ 15cm；2 about 1 baskets are opposite to be buckled together, wherein using 7 phase of plastic hinged on one side
Even, another side can be closed and open；Latticed aperture 2 is opened up in 1 surrounding of basket, latticed 2 diagonal line length of aperture is 1 ~
1.2cm；Upper and lower basket 1 is respectively horizontally inserted into the bracket of 3 plastics material systems or wooden thin bar 3 as middle layer corrugated plating attachment base,
A length of 18 ~ the 25cm of thin bar 3；A piece of polyethylene corrugated plate 5 is respectively placed on 3 bracket of two bottom surfaces and thin bar of basket 1 as ovum
The attachment base of capsule, a length of 25 ~ 30cm of corrugated plating 5, width are 10 ~ 15cm；Every corrugated plating 5 opens up 4 and walks hole 6, and it is straight to walk hole 6
Diameter is 4 ~ 6cm, walks hole 6 and is onboard uniformly distributed；1 buckle structure 4 is arranged in top basket 1, facilitates closure and opening device；
A lifting rope 8 is fixed on basket top, and 8 upper end of lifting rope bundlees a buoy 9, and buoy 9 is plastics or foam, and diameter is about
12cm, 8 diameter of lifting rope is about 3mm.Space between upper and lower basket 1 forms multilayer space after being put into corrugated plating 5, is meeting
While Thais clavgeria climbs wall habit, considerably increases close spiral shell and inhabit the area adhered to egg capsule；Latticed aperture 2 is convenient for close spiral shell
Residual bait and excrement are quickly disengaged to bottom of pond from device, moreover, effectively increasing the permeability of seawater, have ensured seawater in device
Update efficiency and quality of water environment；The setting of buckle 4 facilitates quick closure or openness device, brings just to feeding and observing
Benefit.
Embodiment 2:
The present invention will be described in detail so that spiral shell close in Thais clavgeria artificial breeding is cultivated and egg capsule acquisition is with hatching as an example, is based on embodiment
1 device provided is suitable for the method concrete operation step of close spiral shell cultivation and larvae rearing are as follows:
(a) cultivation of production Thais clavgeria parent spiral shell and larvae rearing device: 2 are taken 5 ~ June before Thais clavgeria mating period
In the basket 1 of cube, a length of 30 ~ 35cm of basket 1, width is 15 ~ 20cm, a height of 10 ~ 15cm；1 surrounding of basket opens up latticed
Aperture 2,2 diagonal line length of aperture are 1 ~ 1.2cm；About 1 basket of 2 cubes is buckled together relatively, wherein on one side with modeling
Expect that hinge 7 is connected, another side can be closed and open；Upper and lower basket 1 is horizontally inserted into 3 plastics thin bars 3 respectively, forms one
Cover bracket, a length of 18 ~ 25cm of plastics thin bar；3 polyethylene corrugated plates 5, a length of 25 ~ 30cm of corrugated plating 5 are taken, length is slightly less than
The long side of basket 1,5 width of corrugated plating are 10 ~ 15cm, and width is slightly less than the narrow side of basket 1, and every corrugated plating 5 opens up 4 and walks hole
6, walking 6 diameter of hole is 4 ~ 6cm, walks hole 6 and is onboard uniformly distributed, walks 6 periphery of hole and polish smooth；At two of basket 1
A piece of corrugated plating 5 is respectively placed on 3 bracket of bottom surface and thin bar；So repeat 12 covering devices of production.
(b) parent is screwed into pond: 5 ~ June, into close spiral shell 20kg；Parent's spiral shell is washed, is sterilized with disinfectant；Then take 12
Covering device, each device are respectively put into about 1.7kg parent's spiral shell；When placing close spiral shell, parent's spiral shell is uniformly placed in multilayer space；Then it is closed
Buckle 4 on basket 1, is closed basket 1.After basket 1 is closed, device is put into togerther cultivation together with the close spiral shell in it
Pond starts close spiral shell and stores up.
(c) close spiral shell is stored up: 12 covering devices are hung in below buoy 9 with lifting rope 8 respectively, and the diameter of buoy 9 is about 12cm, In
Buoyancy about 3kg in water, lifting rope 8 are plastic material, and diameter is about 3mm；By adjusting 8 length of lifting rope, adjusts device and hang water
The depth of layer, makes 1 distance from top water meter 30cm of basket.Daily 16:00 or so opens buckle 4 and basket 1 is opened, checks residual bait
With dead spiral shell situation；Remove ingest after remaining shell and death close spiral shell after, feed fresh and alive Ruditapes philippinarum(Ruditapes philippinarμm) and Mactra veneriformis (Mactra veneriformis) etc. living bodies shellfish, then closure buckle 4, and dress
Culture pond is put back, continues to store up close spiral shell.During entirely storing up, the culture pond depth of water is controlled in 80cm or so.It takes and continuously fills
The mode of gas makes pond oxygen in water maintain normal level, and day quantity of exchanged water is the 30% ~ 40% of water, changes Chi Yici within every 4 days.It is former
After pond is vacated, carried out disinfection with disinfectant, it is clean with fresh sand filtration seawater scouring, it is spare.During entire close spiral shell is stored up, often
It at least checks situations such as primary close spiral shell is ingested and moved, and analysis in time of finding the problem solves.
(d) adopt ovum method: parent has oviposition sign in 7 ~ 8 days or so after being screwed into pond, operates during oviposition constant；Close spiral shell output
Egg capsule be mainly attached on polyethylene corrugated plate 5, small part is attached on basket 1；Multiple egg capsule base portions are connected to ovum cluster, note
The color of meaning observation egg capsule, and egg capsule quantity in ovum number of clusters amount and ovum cluster is counted in time；Since Thais clavgeria likes suspension of standing upside down
It lays eggs in the reverse side of corrugated plating 5, so until falling device down on the whole when acquisition egg capsule quantity is enough on 5 reverse side of corrugated plating
It turns over, it is made to continue to lay eggs in the less another side of egg capsule.
(e) hatching method: when ovum cluster area occupies 60% or more of whole plate on corrugated plating 5, taking out the close spiral shell in basket 1,
Basket 1 and corrugated plating 5 together with egg capsule one reinstate sand filtration seawater flushing it is clean after, move into hatchery and hatch；During hatching, incubate
Change pool water level and is maintained at 85 ~ 90cm, continuous micro inflation；It changes water 1 time daily, quantity of exchanged water is the 1/3 of water body；Hatching seawater salt
Degree is S30 ~ 33, and water temperature is 27 ~ 29 DEG C.After egg capsule hatches sufficient amount larva, by basket 1 and corrugated plating 5 together with not hatching
Egg capsule be transferred to new culture pond and continue to hatch.
Egg capsule acquisition and hatch results: using apparatus of the present invention and method, and average every covering device about acquires egg capsule 20,000 ~ 30,000
It is a, Thais clavgeria initial stage veliger 40,000,000 ~ 50,000,000 are obtained altogether, 95% or more hatching rate；Compared to currently cultivating and adopt
Ovum technology, the present invention promote up to 50% or more water body availability and egg capsule collecting efficiency, and egg capsule hatching rate can promote 20 ~
30%。
The above embodiments merely illustrate the technical concept and features of the present invention, and protection model of the invention can not be limited with this
It encloses.It is all any equivalent transformation or modification made according to the spirit of the present invention, should be covered by the scope of protection of the present invention.
Claims (8)
1. it is a kind of suitable for close spiral shell cultivate and larvae rearing device, which is characterized in that the apparatus main body be a case structure body,
It is fastened by two baskets (1), the basket (1) is surrounded by latticed aperture (2), is used for exchange of seawater, the basket
Multilayer thin bar (3) are equipped in body (1), every layer is equipped with several thin bars (3), and is placed with corrugated plating (5) on every layer of thin bar (3).
2. device as described in claim 1, which is characterized in that be additionally provided on the corrugated plating (5) and walk hole (6), for parent
Spiral shell can walk and exchange of seawater.
3. device as described in claim 1, it is characterised in that the side of described two baskets (1) is consolidated by hinge (7)
Fixed connection；The other side of described two baskets (1) is fixed by snap.
4. device as described in claim 1, it is characterised in that the upper end of described device is additionally provided with lifting rope (8), the lifting rope (8)
Other end system has buoy (9), and buoy (9) provides buoyancy for whole device, is suspended on basket in water layer, and can be with water depth
Degree floats up and down；By adjusting lifting rope (8) length, controls basket (1) and hang water depth.
5. device as described in claim 1, it is characterised in that the bottom of described device also is provided with corrugated plating (5).
6. it is a kind of suitable for close spiral shell cultivate and larvae rearing method, which comprises the following steps:
(1) close spiral shell is cultivated: close spiral shell being carried out pre-treatment first, close spiral shell is placed described in claim 1-5 any claim
Suitable for then whole device being put in culture pond, and uses on the corrugated plating (5) in the device of the cultivation of close spiral shell and larvae rearing
Sand filtration seawater stores up close spiral shell；
(2) close spiral shell adopts ovum: the egg capsule of close spiral shell output is mainly attached on corrugated plating (5), and multiple egg capsule base portions are connected to ovum cluster, when
When occupying certain area of ovum cluster on corrugated plating, the close spiral shell in withdrawing device move into device and corrugated plating together with egg capsule
Hatch in hatchery；
(3) hatch: during hatching, continuous micro inflation changes water, after egg capsule hatches sufficient amount of larva, by device and wave
Card, which is transferred to new hatchery together with unhatched egg capsule, to be continued to hatch.
7. method as claimed in claim 6, which is characterized in that in the step (2), when the egg capsule of corrugated plating (5) side accounts for
According to certain area, described device is flipped upside down, it is another that close spiral shell by walking on corrugated plating (5) hole (6) reaches corrugated plating (5)
Continue to adopt ovum in side；When the area of ovum cluster on the corrugated plating (5) occupies 60% or more of whole plate, close spiral shell in withdrawing device,
Device and corrugated plating together with egg capsule one reinstate sand filtration seawater flushing it is clean after, move into hatchery and hatch.
8. method as claimed in claim 6, which is characterized in that in the step (3), change daily water 1 time, quantity of exchanged water is hatching
The 1/3 of water body, hatching seawater salinity used is S30 ~ 33, and water temperature is 27 ~ 29 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910819401.2A CN110447579B (en) | 2019-08-31 | 2019-08-31 | Device and method suitable for parent snail cultivation and egg collection and incubation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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