CN101731168B - Method for artificial propagation of ostrea denselamellosa - Google Patents
Method for artificial propagation of ostrea denselamellosa Download PDFInfo
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- CN101731168B CN101731168B CN2009102565227A CN200910256522A CN101731168B CN 101731168 B CN101731168 B CN 101731168B CN 2009102565227 A CN2009102565227 A CN 2009102565227A CN 200910256522 A CN200910256522 A CN 200910256522A CN 101731168 B CN101731168 B CN 101731168B
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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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Abstract
The invention relates to a method for the artificial propagation of ostrea denselamellosa. The method is characterized by comprising the following steps of: fishing parents from a natural sea area; promoting the maturing of the parents in an indoor water body; obtaining D-shaped larvae after the parents finish the discharge of the D-shaped larvae; moving the D-shaped larvae to a pond of 10-20m<3> and culturing; putting in scallop shell attaching bases for spat collection; and culturing the attached spat until the shell length is 500-600 mu m, and then moving to the natural sea area for culturing. Based on the propagation characteristic of the ostrea denselamellosa, the invention establishes the method for the artificial propagation of the ostrea denselamellosa spat by using the steps of properly fishing the wild parents, promoting the maturing of the parents, culturing the larvae, artificial spat collecting, culturing the spat and the like. By using the method for the artificial propagation of the ostrea denselamellosa, the ostrea denselamellosa artificial spat can be cultured on a large scale. The invention is of far reaching importance for developing the artificial cultivation of the ostrea denselamellosa and protecting the natural resources.
Description
Technical field
The present invention relates to the artificial breeding method of a kind of shellfish, particularly relate to the artificial breeding method of a kind of close squama oyster.
Background technology
Close squama oyster (Ostrea denselamellosa) is under the jurisdiction of lamellibranchiata (Lanellibranchia); Anisomyaria (Anisomyaria); Ostreidae (Ostreidae); Oyster belongs to (Ostrea), generally inhabit subtidal zone to depth of water 30m with the higher and more stable shallow sea of interior salinity, distribution all arranged in that China, the Korea peninsula, Japan are coastal.The soft body of close squama oyster not only is rich in taurine, highly unsaturated fatty acid, also has low fat, low cholesterol and mineral salt, characteristics that vitamin content is high, and nutritive value is than horn of plenty.But owing to reasons such as close squama oyster disperse in the coastal distribution of China, and stock number is few, its economic worth is not exploited as yet.
In recent years, because the continuous deterioration of ocean development and sea area natural environment, the stock number of close squama oyster reduces day by day.Therefore, set up the artificial breeding method of close squama oyster, for the close squama oyster natural resources of protection, it is significant to develop new breed variety.Different with common Pacific oyster, Crassostrea rivularis, close squama oyster is the ovoviviparity kind, during sexual maturity; The ovum of close squama oyster female individuals is fertilized in the gill cavity; Embryonic development is left parent after becoming D shape larva, in seawater, swims the stage through one, and settlement and metamorphosis becomes juvenile mollusk then.Although close squama oyster distributes extensively in China, yet about the research of its seed rearing report is not arranged so far.Therefore, establish artificial seed's mating system of close squama oyster, can for carry out the propagating artificially of close squama oyster, protecting national resource lays the foundation.
Summary of the invention
The artificial breeding method who the purpose of this invention is to provide a kind of close squama oyster, it can satisfy the demand of prior art.
The artificial breeding method of a kind of close squama oyster is characterized in that adopting from natural waters and catches the parent; In indoor water body with parent's accelerating; Treat that the parent discharges after D shape larva finishes, and obtains D shape larva; D shape larva is moved to 10～20m
3Carry out the larva cultivation in the pond; Throwing in the scallop shell adherance collects seedling; During the juvenile mollusk that cultivation is adhered to shell length 500～600 μ m, move to natural waters and carry out the juvenile mollusk cultivation.
The present invention adopts in good time and catches wild parent according to the reproductive characteristic of close squama oyster, through steps such as parent's accelerating, larva cultivation, artificial seeding, juvenile mollusk cultivations, has set up artificial seed's mating system of close squama oyster.
Embodiment
Below in conjunction with embodiment the present invention is described further:
1. adopt and catch the parent: when 4～May in 2009, water temperature was below 20 ℃, utilize trawlnet to adopt from sea area, Jiangnan, Qingdao to catch the close squama oyster 80～100 of 2～3 ages, the long 8～12cm of shell individual as the breeding parents.
2. parent's accelerating: will adopt the parent who catches and place indoor 20～30m
3In the pond, 16 ℃ of initial water temperatures, the unit cell algae and the spirulina powder of the artificial culture of throwing something and feeding, a day full dose is changed water 0.5～1 time, and 0.5～1.0 ℃ of day intensification is in 22～23 ℃ of constant temperature culture.
3. obtain larva: during the close shellfish accelerating; The gill cavity of observing close squama oyster every day one by one changes, and finds that the gill cavity contains parent's individuality of fertilized egg, moves to the hatchery with it and cultivates, waits to produce; Through about 48h incubating oosperm to D shape larva (shell is about 150 μ m); And excrete naturally, collect D shape larva with the diddle-net that 260～300 mesh sieve thin,tough silk are processed, it is moved to 10～20m
3Cultivate in the pond.Individual average fish brood amount is (5～6) * 10
6Individual.
4. larva is cultivated: between culture period, seawater is through the secondary sand filtration, and salinity is 30,22～25 ℃ of water temperatures, and 2～3/ml of larval density, it is 1～2 time that day is changed the waterside number, day quantity of exchanged water 1/3-1/2; D shape larva is cultivated Zhanjiang Isochrysis galbana of throwing something and feeding in early days, and the later stage adds feeds an amount of flat algae, confirms daily ration, feeding quantity according to the larva situation of ingesting, and day throws something and feeds 2～4 times.
5. collect seedling: when embryophore reaches the 350 μ m left and right sides, begin to occur eyespot and foot, eyespot larva up 20～30% o'clock is thrown in the scallop shell adherance, collects seedling.Result of the test shows in scallop shell, corrugated plating, bolting silk, net sheet and 5 kinds of adherances of oilpaper, larva on the scallop shell adherance to adhere to quantity the highest.During the larva settlement and metamorphosis, suitably strengthen aeration quantity and daily ration, feeding quantity.
6. juvenile mollusk is cultivated: through the cultivation of 8～10d, the juvenile mollusk shell that adheres to is long-living when growing to 500～600 μ m, and juvenile mollusk is moved to natural waters, adopts to prolong rope formula or cylinder mould buoyant raft and hang the mode of supporting and propagate artificially.
The present invention catches wild parent through adopt in good time, parent's accelerating, and larva obtains and cultivates, and collects seedling and the juvenile mollusk cultivation, has set up the artificial breeding method of close squama oyster.Adopt close squama oyster artificial breeding method of the present invention, can cultivate the artificial seed of close squama oyster on a large scale.
Claims (6)
1. the artificial breeding method of a close squama oyster is characterized in that adopting from natural waters and catches the parent; In indoor water body with parent's accelerating; Treat that the parent discharges after D shape larva finishes, and obtains D shape larva; D shape larva is moved to 10～20m
3Carry out the larva cultivation in the pond; Throwing in the scallop shell adherance collects seedling; During the juvenile mollusk that cultivation is adhered to shell length 500～600 μ m, move to natural waters and carry out the juvenile mollusk cultivation; Described acquisition D shape larva is cultivated for the parent who cheek chamber is contained fertilized egg moves to the hatchery, after incubating oosperm becomes the D shape young also to discharge naturally in the cheek chamber, collects the D shape young with the diddle-net that 260～300 mesh sieve thin,tough silk are processed.
2. artificial breeding method as claimed in claim 1 is characterized in that describedly adopting that to catch the parent be when 4～May, the natural waters water temperature was below 20 ℃, from the sea area, adopts the individuality of catching 2～3 ages, the long 8～12cm of shell, as the breeding parent.
3. artificial breeding method as claimed in claim 1 is characterized in that described parent's accelerating for to place indoor water body to cultivate the parent, 0.5～1.0 ℃ of day intensification, and during to 22～23 ℃, constant temperature culture.
4. artificial breeding method as claimed in claim 1 is characterized in that it is in salinity 30 that described larva is cultivated, 22～25 ℃ of water temperatures, and 2～3/ml of larval density, it is 1～2 time that day is changed the waterside number, carries out larvae cultivation under the condition of day quantity of exchanged water 1/3～1/2.
5. artificial breeding method as claimed in claim 1 is characterized in that described collecting seedling when reaching the 350 μ m left and right sides for embryophore, begins to occur eyespot and foot, and eyespot larva up 20～30% o'clock is thrown in the scallop shell adherance and collected seedling.
6. artificial breeding method as claimed in claim 1 when it is characterized in that described juvenile mollusk cultivation reaches 500～600 μ m for the juvenile mollusk shell that adheres to, moves to natural waters with juvenile mollusk, and the rope formula is prolonged in employing or the cage buoyant raft hangs foster propagating artificially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102565227A CN101731168B (en) | 2009-12-14 | 2009-12-14 | Method for artificial propagation of ostrea denselamellosa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102565227A CN101731168B (en) | 2009-12-14 | 2009-12-14 | Method for artificial propagation of ostrea denselamellosa |
Publications (2)
| Publication Number | Publication Date |
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| CN101731168A CN101731168A (en) | 2010-06-16 |
| CN101731168B true CN101731168B (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102565227A Expired - Fee Related CN101731168B (en) | 2009-12-14 | 2009-12-14 | Method for artificial propagation of ostrea denselamellosa |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763617B (en) * | 2012-08-20 | 2013-10-30 | 中国海洋大学 | Artificial breeding method of sikamea oysters |
| CN103120139A (en) * | 2013-02-28 | 2013-05-29 | 张丽香 | Artificial breeding method of big oysters |
| CN103798166B (en) * | 2014-01-24 | 2015-07-29 | 中国科学院南海海洋研究所 | The indoor extensive artificial breeding method of a kind of the South China coastal Hong Kong oyster |
| CN103798167B (en) * | 2014-01-24 | 2016-01-13 | 中国科学院南海海洋研究所 | The artificial breeding method of a kind of Ostrea cucullata |
| CN104012432A (en) * | 2014-04-25 | 2014-09-03 | 中国海洋大学 | Method suitable for artificial breeding of CrassOstrea hongkongensis in sea area in north |
| CN103960183B (en) * | 2014-04-29 | 2015-11-25 | 福建省水产研究所 | A kind of shallow sea oyster monomer cultural method |
| CN104381158B (en) * | 2014-09-28 | 2017-02-08 | 中国科学院南海海洋研究所 | Method for breeding larvae-type oysters by oviparous-type means |
| CN105075938A (en) * | 2015-06-30 | 2015-11-25 | 福建省水产研究所 | Large-scale cultivation method for Tapes dorsatus spats |
| CN106106287A (en) * | 2016-07-07 | 2016-11-16 | 苏州市相城区阳澄湖镇东枪塘水产养殖专业合作社 | One seed oyster artificial fecundation method |
| CN111316943A (en) * | 2020-03-07 | 2020-06-23 | 广西壮族自治区海洋研究所 | Pond seedling raising method for ostrea rivularis |
| CN116034922B (en) * | 2023-02-22 | 2023-08-25 | 中国科学院南海海洋研究所 | Artificial breeding method of island-type tooth-biting oyster Saccostrea mordax |
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2009
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