CN102669020B - Seedling collection facility for rapana venosa factory seed culture - Google Patents
Seedling collection facility for rapana venosa factory seed culture Download PDFInfo
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- CN102669020B CN102669020B CN201210131848.9A CN201210131848A CN102669020B CN 102669020 B CN102669020 B CN 102669020B CN 201210131848 A CN201210131848 A CN 201210131848A CN 102669020 B CN102669020 B CN 102669020B
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- corrugated plate
- vertical edge
- seedling
- clamping groove
- rapana venosa
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- 241000543567 Rapana venosa Species 0.000 title claims abstract description 47
- 238000011218 seed culture Methods 0.000 title abstract 4
- 238000000034 method Methods 0.000 abstract description 20
- 241000237502 Ostreidae Species 0.000 abstract description 15
- 235000020636 oyster Nutrition 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 11
- 230000029052 metamorphosis Effects 0.000 abstract description 10
- 241001465754 Metazoa Species 0.000 abstract description 6
- 238000009395 breeding Methods 0.000 abstract description 6
- 230000001488 breeding effect Effects 0.000 abstract description 6
- 235000015170 shellfish Nutrition 0.000 abstract description 4
- 238000009360 aquaculture Methods 0.000 abstract description 2
- 244000144974 aquaculture Species 0.000 abstract description 2
- 230000001228 trophic effect Effects 0.000 abstract 3
- 206010046996 Varicose vein Diseases 0.000 abstract 2
- 208000027185 varicose disease Diseases 0.000 abstract 2
- 241000237858 Gastropoda Species 0.000 description 8
- 235000021191 food habits Nutrition 0.000 description 7
- 241000237852 Mollusca Species 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000366 juvenile effect Effects 0.000 description 5
- 230000004083 survival effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 235000005686 eating Nutrition 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 241000237519 Bivalvia Species 0.000 description 1
- 241000195585 Chlamydomonas Species 0.000 description 1
- 241000206751 Chrysophyceae Species 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- 241000895647 Varroa Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 235000020639 clam Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001418 larval effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to factory fry breeding of aquaculture, in particular to a seedling collection facility for rapana venosa factory seed culture and a method, wherein the seedling collection facility consists of a plastic corrugated plate with a rough surface and a support for fixing the plastic corrugated plate, the plastic corrugated plate is fixed in a chute arranged on the support in parallel, and the side surface relative to a chute connecting rod is bundled up a rope which is parallel to the chute connecting rod. Oyster young shellfishes are firstly adhered on the plastic corrugated plate to be used as animal baits during the process of trophic conversion and metamorphosis of rapana venosa larvae before the seedling collection facility is thrown in. When more than 50 percent of the rapana venosa larvae grow between the later stage of three varices and the initial stage of four varices, and the seedling collection facility is thrown into a nursery pond in a mode that the plastic corrugated plate is in a plane stereo hierarchical mode, thereby leading the red screw larvae to be adhered on the plastic corrugated plate adhered with the oyster young shellfishes, completing the process of the trophic conversion and the metamorphosis and doing intermediate breeding of young screws. The seedling collection facility for rapana venosa factory seed culture can lead the rapana venosa larvae to smoothly complete the process of the trophic conversion and the metamorphosis in factory seed culture.
Description
The application is a divisional application of the Chinese patent application, and the application date of the original application is as follows: 2010, month 10, day 29, application No.: 201010538128.5, title of invention: a seedling collecting facility and a method for industrial rapana venosa seedling culture are disclosed as follows: CN 101986833A; this divisional application is now proposed according to the comments of the examiner from the examination of the original application.
Technical Field
The invention relates to industrial fry production of aquaculture, in particular to a fry collecting facility for industrial fry culture of rapana venosa.
Background
The Rapana venosa is commonly called as a varroa venosa and a conch, belongs to the phylum mollusca, gastropoda and ospirdae, belongs to the genus rhodospirus, has the adult shell height of 11-12cm, and is distributed in Bohai sea and yellow sea in China. The foot is particularly fat, the taste is delicious, the nutrition is rich, and the foot is even popular for people, and the economic value is high. In recent years, with the decline of offshore resources and the successful sale of commodities of the variety in domestic and foreign markets, the economic value of the variety is continuously improved, and the price of the living body is 20-40 yuan/kg at present.
At present, the rapana venosa has great market demands on Bohai sea and yellow sea coastline in China, some scientific research units and seedling raising enterprises try to carry out artificial seedling raising from the last 90 th century, but most of the rapana venosa fails, the seedling raising efficiency is extremely low, and the industrial scale is not realized, so that the artificial culture cannot be carried out on a large scale.
At present, the main factor causing the breeding technology of rapana venosa offspring seeds to be not over-related is that the problem of food habit conversion of rapana venosa larvae is not well solved. The food habit transformation means that the rapana venosa larva needs to be transformed from eating plant baits such as chlamydomonas to eating animal baits in the transformation process. The food habit transformation is a very critical stage in the development of the rapana venosa, and most of the larval death occurs in the development stage. In the industrial breeding process of the rapana venosa, most of the currently used animal baits are muddy flesh of bivalve shellfish (such as clams, oysters, mussels and the like). The use of the bivalve meat paste as animal feed is easy to cause water quality deterioration, so that the larvae die in a large scale and the seedling culture fails.
Disclosure of Invention
The invention aims to provide a seedling collecting facility and a seedling collecting method for industrial rapana venosa seedling culture, which solve the problems of food habit conversion and metamorphosis of rapana venosa larvae and intermediate culture of young rapana venosa.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a fry collecting method for the industrial culture of rapana venosa includes such steps as making fry collecting facilities by corrugated plates and the supporter for fixing said corrugated plates, attaching young oyster shells to said corrugated plates before the fry collecting facilities are put in them, and putting the fry collecting facilities in the pond when more than 50% of rapana venosa larvae are grown to the early stage of three snail layers, so attaching the young oyster shells to the corrugated plates.
The young oysters on the corrugated plate have the density of 5-20/cm2The size of the young oyster is 0.5-2.0 mm of shell length.
The seedling collecting method for the industrial rapana venosa seedling culture has the following suitable application conditions: the water temperature is 18-28 ℃, the salinity is 25-35 per mill, the pH value is 7.0-8.5, and the culture density of the rapana venosa larvae is 0.1-0.3 per ml.
The utility model provides a seedling facility is adopted in that red snail batch production is grown seedlings of arteries and veins, adopts seedling facility to be equipped with the support of buckled plate and fixed buckled plate, and the support of fixed buckled plate is the cube, and the buckled plate parallel fixation is in the draw-in groove of support.
The seedling collection facility of the red snail batch production of vessels grow seedlings, in the buckled plate, buckled plate length is 50 ~ 100cm, the buckled plate width is 50 ~ 100cm, buckled plate thickness is 0.05 ~ 0.15cm, the ripple evenly distributed of buckled plate, the buckled plate wave height is 1.0 ~ 2.0cm, it has the hole of diameter 2.0 ~ 4.0cm to distribute on the buckled plate, the hole distance on the buckled plate is 10.0 ~ 30.0 cm.
The seedling collecting facility for the industrial seedling culture of the rapana venosa is characterized in that the length of the support is 0.5-1.0cm greater than that of the corrugated plate, the width of the support is 0.5-1.0cm greater than that of the corrugated plate, and two opposite side surfaces of the support are provided with clamping grooves for fixing the corrugated plate.
In the seedling collecting facility for the industrial seedling raising of the rapana venosa, a pair of clamping groove connecting rods are vertically and symmetrically arranged on one side surface of the support close to the vertical edge I and the vertical edge II respectively; in the vertical edge III and the vertical edge IV on the other side surface of the bracket, which is opposite to one side surface of the bracket, the vertical edge I and the vertical edge IV are positioned on the same side, and the vertical edge II and the vertical edge III are positioned on the same side; the clamping groove at one side is lapped between the clamping groove connecting rod close to the vertical edge I and the vertical edge IV, and the clamping groove at the other side is lapped between the clamping groove connecting rod close to the vertical edge II and the vertical edge III.
The seedling collecting facility of the industrial seedling raising of the rapana venosa, the clamping grooves on the two sides and the side faces of the bracket on the outer side of the clamping grooves form included angles, the side faces of the bracket on the outer side of the clamping grooves are provided with handrails for preventing corrugated plates from sliding down, and the handrails are vertically arranged.
According to the seedling collecting facility for the industrial seedling raising of the rapana venosa, the distance between the vertical edge I and the clamping groove connecting rod close to the vertical edge I is 3.0-5.0cm, the thickness of the clamping groove is 0.1-0.2cm greater than the wave height of the corrugated plate, and the distance between the corrugated plates is 2.0-20.0 cm.
In the seedling collection facility for the industrial rapana venosa seedling culture, after the corrugated plates are assembled, ropes parallel to the clamping groove connecting rods are tied up on the opposite side surfaces of the clamping groove connecting rods.
Compared with the prior art, the invention has the following advantages:
1. the invention uses the young oyster as animal bait in the processes of food habit conversion and metamorphosis of the rapana venosa larvae, changes the adverse effect of water quality deterioration caused by directly putting bivalve shellfish meat mud into a rapana venosa larva cultivating pool in the prior art, and has high larva survival rate.
2. The plastic corrugated plates in the seedling collecting facility are distributed in a multi-plane three-dimensional layered structure, and the seedling collecting facility is used as a cultivation carrier for larva feeding habit conversion and metamorphosis period, so that the space can be fully utilized.
3. The bracket of the seedling picking facility is provided with the clamping groove, so that plastic corrugated plates can be conveniently fixed, and the space between the plastic corrugated plates can be conveniently adjusted according to the requirement.
4. By using the method for the industrial breeding of the rapana venosa, the larvae can smoothly complete the processes of food habit conversion and metamorphosis, the survival rate of the rapana venosa larvae in the processes of food habit conversion and metamorphosis is greatly improved, and the survival rate is improved by more than 70 percent compared with that of the rapana venosa larvae in the traditional method.
Drawings
Fig. 1, fig. 2 and fig. 3 are schematic structural views of the seedling picking facility. Wherein,
fig. 1 is a schematic view of a plastic corrugated plate in a seedling-picking facility.
Fig. 2 is a schematic view of a support in a seedling picking facility.
Fig. 3 is a schematic structural view of the seedling collecting facility after assembly and forming.
In the figure, 1, the corrugated plate length; 2. the width of a corrugated plate; 3. an aperture; 4. pitch of holes; 5. corrugation of corrugated plates; 6. the length of the stent; 7. the width of the bracket; 8. the height of the bracket; 9. a card slot; 10. a railing; 11. a clamping groove connecting rod; 12. the distance between the clamping groove connecting rod and the nearest included angle of the bracket is short; 13. a corrugated plate; 14. wave height of a corrugated plate; 15. oyster juvenile mollusk; 16. a rope parallel to the slot connecting rod; 17. distance between corrugated plates; 18. a vertical edge I; 19. a vertical edge II; 20. a vertical side III; 21. and (6) standing the edge IV.
Detailed Description
The invention relates to a seedling collecting method for industrial rapana venosa seedling culture, which comprises the following specific processes:
the method is characterized in that a seedling collecting facility is made of plastic corrugated plates with rough surfaces and supports for fixing the corrugated plates, young oysters are attached to the plastic corrugated plates before the seedling collecting facility is put in the seedling collecting facility and serve as animal baits in the process of feeding habit conversion and metamorphosis of rapana venosa larvae, and the density of the young oysters on the plastic corrugated plates is 5-20/cm2The size of the young oyster is 0.5-2.0 mm of shell length. When more than 50% of rapana venosa larvae develop to the later stage of the three snail layer to the initial stage of the four snail layer, the seedling collecting facilities are put into the seedling raising pond in a multi-plane three-dimensional layered mode by using the plastic corrugated plates to fully utilize the water body, so that the rapana venosa larvae are attached to the plastic corrugated plates attached with oyster juvenile mollusks (the surface roughness of the plastic corrugated plates is based on the fact that the oyster juvenile mollusks can be attached), the feeding habit conversion and metamorphosis processes are completed, and the intermediate culture of the juvenile mollusks is carried out.
The invention has the following suitable application conditions for industrial rapana venosa seedling culture: the water temperature is 18-28 ℃, the salinity is 25-35 per mill, the pH value is 7.0-8.5, and the culture density of the rapana venosa larvae is 0.1-0.3 per ml.
As shown in figures 1-3, the seedling collecting facility of the invention is composed of plastic corrugated plates with rough surfaces and brackets for fixing the corrugated plates, and the concrete structure is as follows:
in the plastic corrugated plate 13, plastic corrugated plate length 1 is 50 ~ 100cm, plastic corrugated plate width 2 is 50 ~ 100cm, plastic corrugated plate thickness is 0.05 ~ 0.15cm, 5 evenly distributed of ripple of buckled plate, plastic corrugated plate wave height 14 is 1.0 ~ 2.0cm, it has the hole 3 of diameter 2.0 ~ 4.0cm to distribute on the plastic corrugated plate 13, the hole distance 4 on the plastic corrugated plate 13 is 10.0 ~ 30.0 cm. The plastic corrugated plates 13 in the seedling collecting facilities are distributed in a multi-plane three-dimensional layered structure in the seedling raising pond (figure 1).
The support of fixed plastic buckled plate 13 is the cube, and support length 6 is 0.5 ~ 1.0cm than plastic buckled plate length 1 is big, and support width 7 is 0.5 ~ 1.0cm than plastic buckled plate width 2 is big, and support height 8 is 0.5 ~ 1.0cm than the length or the width of plastic buckled plate greatly, and two opposite sides of support have the draw-in groove 9 (fig. 2) of fixed plastic buckled plate 13.
A pair of clamping groove connecting rods 11 are vertically and symmetrically arranged at the positions, close to the vertical edges (the vertical edge I18 and the vertical edge II19), of one side surface of the support respectively; in two vertical sides (a vertical side III20 and a vertical side IV21) on the other side of the bracket opposite to one side of the bracket, the vertical side I18 is on the same side as the vertical side IV21, and the vertical side II19 is on the same side as the vertical side III 20; the clamping groove 9 at one side is lapped between the clamping groove connecting rod 11 close to the vertical edge I18 and the vertical edge IV21, the clamping groove 9 at the other side is lapped between the clamping groove connecting rod 11 close to the vertical edge II19 and the vertical edge III20, and the clamping grooves 9 at two sides are a plurality of and are oppositely arranged. Thereby, the draw-in groove 9 of both sides forms certain contained angle respectively rather than between the support side in the outside, the support side in the draw-in groove 9 outside is equipped with the railing 10 that prevents the buckled plate landing, and railing 10 is vertical to be set up. The distance between the vertical edge I18 and the clamping groove connecting rod 11 close to the vertical edge I18 (the distance 12 between the clamping groove connecting rod and the nearest included angle part of the support) is 3.0-5.0cm, and the thickness of the clamping groove is 0.1-0.2cm larger than the wave height 14 of the corrugated plate. The plastic corrugated plates 13 are fixed in the clamping grooves 9 of the support in parallel, the distance 17 between the plastic corrugated plates is 2.0-20.0cm, and oyster juvenile mollusks 15 are attached to the plastic corrugated plates 13. After the plastic corrugated plate 13 is assembled, the ropes 16 parallel to the slot connecting rods 11 are tied on the opposite side surfaces of the slot connecting rods 11 to prevent the plastic corrugated plate 13 from sliding off (fig. 3).
Hereinafter, some typical examples are given by way of example of the larvae of Rapana venosa, but the present invention is not limited to the following examples.
The experimental conditions of the above examples were: water temperature: 23-24 ℃, salinity: 30-32 per mill, pH value: 7.6-7.8, larva breeding density: 0.1-0.2 plant baits are fed with golden algae, and the throwing time of the seedling collecting facility is when 65% of rapana venosa larvae develop to the later stage of the third snail layer to the initial stage of the fourth snail layer (the shell length is 800-1200 mu m); the length, the width and the thickness of the plastic corrugated plate are 60cm, 60cm and 0.10cm respectively; holes with the diameter of 3cm are distributed on the corrugated plate, and the hole distance is 15 cm.
Claims (5)
1. A seedling collecting facility for industrial rapana venosa seedling culture is characterized in that: the seedling picking facility is provided with a corrugated plate and a bracket for fixing the corrugated plate, the bracket for fixing the corrugated plate is a cube, and the corrugated plate is fixed in a clamping groove of the bracket in parallel;
in the corrugated plates, the length of each corrugated plate is 50-100cm, the width of each corrugated plate is 50-100cm, the thickness of each corrugated plate is 0.05-0.15cm, the corrugations of the corrugated plates are uniformly distributed, the wave height of each corrugated plate is 1.0-2.0cm, holes with the diameter of 2.0-4.0cm are distributed on each corrugated plate, and the hole pitch of the corrugated plates is 10.0-30.0cm;
the length of the support is 0.5-1.0cm greater than that of the corrugated plate, the width of the support is 0.5-1.0cm greater than that of the corrugated plate, and the two opposite side surfaces of the support are provided with clamping grooves for fixing the corrugated plates.
2. The seedling collecting facility for the industrial rapana venosa seedling culture according to claim 1, is characterized in that: a pair of clamping groove connecting rods are vertically and symmetrically arranged on one side surface of the support close to the vertical edge I and the vertical edge II respectively; in a vertical edge III and a vertical edge IV on the other side face of the support opposite to one side face of the support, the vertical edge I and the vertical edge IV are positioned on the same side, and the vertical edge II and the vertical edge III are positioned on the same side; a clamping groove at one side is lapped between the clamping groove connecting rod close to the vertical edge I and the vertical edge IV, and a clamping groove at the other side is lapped between the clamping groove connecting rod close to the vertical edge II and the vertical edge III.
3. The seedling collecting facility for the industrial rapana venosa seedling culture according to claim 2, is characterized in that: the draw-in groove of both sides forms the contained angle rather than between the support side in the outside respectively, the support side in the draw-in groove outside is equipped with the railing that prevents the buckled plate landing, the vertical setting of railing.
4. The seedling collecting facility for the industrial rapana venosa seedling culture according to claim 2, is characterized in that: the distance between the vertical edge I and the clamping groove connecting rod close to the vertical edge I is 3.0-5.0cm, the thickness of the clamping groove is 0.1-0.2cm larger than the wave height of the corrugated plate, and the distance between the corrugated plates is 2.0-20.0 cm.
5. The seedling collecting facility for the industrial rapana venosa seedling culture according to claim 2, is characterized in that: after the corrugated plates are assembled, ropes parallel to the clamping groove connecting rods are tied up on the opposite side faces of the clamping groove connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131848.9A CN102669020B (en) | 2010-10-29 | 2010-10-29 | Seedling collection facility for rapana venosa factory seed culture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210131848.9A CN102669020B (en) | 2010-10-29 | 2010-10-29 | Seedling collection facility for rapana venosa factory seed culture |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105381285A Division CN101986833B (en) | 2010-10-29 | 2010-10-29 | Seedling collecting facility and method of industrialized rapana venosa seedling culture |
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| Publication Number | Publication Date |
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| CN102669020A CN102669020A (en) | 2012-09-19 |
| CN102669020B true CN102669020B (en) | 2014-06-11 |
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| CN201210131848.9A Active CN102669020B (en) | 2010-10-29 | 2010-10-29 | Seedling collection facility for rapana venosa factory seed culture |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103109770B (en) * | 2013-03-11 | 2014-03-26 | 丹东市水产技术推广总站 | Rapana venosa offspring seed cultivation method |
| CN103404455B (en) * | 2013-07-22 | 2015-04-15 | 中国科学院海洋研究所 | Novel adherence for industrial seedling raising of rapana venosa and use method of novel adherence |
| CN104705221B (en) * | 2013-12-16 | 2017-06-13 | 财团法人工业技术研究院 | Aquatic animal seedling combined type adhesion equipment |
| CN103766256B (en) * | 2014-01-13 | 2015-09-30 | 中国科学院南海海洋研究所 | A kind of forecasting procedure improving the natural efficiency of collecting seedling of Hong Kong oyster |
| JP6427030B2 (en) * | 2014-02-28 | 2018-11-21 | ヤンマー株式会社 | Method for aquaculture of aquaculture organisms and aquaculture facility therefor |
| CN103843713A (en) * | 2014-03-06 | 2014-06-11 | 大连海洋大学 | High-density neptunea cumingi crosse larva breeding device convenient to carry out feeding |
| CN104285859B (en) * | 2014-10-13 | 2016-05-04 | 中国科学院海洋研究所 | A kind of adherance and supporting device of collecting seedling thereof of producing oyster monomer seed |
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| JPH03180128A (en) * | 1989-12-08 | 1991-08-06 | Isuzu Motors Ltd | Device of rearing tank for abalones |
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