CN102771424A - Artificial cultivation brooding and incubating method for scylla paramamosain - Google Patents
Artificial cultivation brooding and incubating method for scylla paramamosain Download PDFInfo
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- CN102771424A CN102771424A CN2012102601210A CN201210260121A CN102771424A CN 102771424 A CN102771424 A CN 102771424A CN 2012102601210 A CN2012102601210 A CN 2012102601210A CN 201210260121 A CN201210260121 A CN 201210260121A CN 102771424 A CN102771424 A CN 102771424A
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- crabs
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- crab
- scylla paramamosain
- pond
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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
Abstract
The invention relates to an artificial cultivation brooding and incubating method for scylla paramamosain. The method comprises four steps of preparation of a seeding crab cultivation pond, selection of seeding crabs and placement in the pond, enhanced cultivation of the seeding crabs and cultivation of brood crabs. The method has the advantages of large brood amount, high incubation rate, strong larva vigor, safety and easiness in handle. The method can be quickly understood and handled by farmers, is fit for artificial breeding of offspring seeds at a large scale, and is expected to facilitate health and fast development of the artificial breeding work of scylla paramamosain domestically.
Description
Technical field
The invention belongs to Scylla paramamosain and culture field, particularly a kind of Scylla paramamosain artificial culture oogenesis and hatching m.
Background technology
Scylla paramamosain (Scylla paramamosain) belongs to Arthropoda (Arthropoda), Crustachia (Crustacea), Decapoda (Decapoda), Portumidae (Portunidae), mud crab genus (Scylla); China mainly be distributed in the entrance of Changjiang River and on the south coastal marine site, be important marine fishery resources of China and mariculture crab class.
Scylla paramamosain has advantages such as build is big, growth is fast, meat flavour deliciousness, favored by consumers in general.In recent years, the annual production of propagating artificially of China's Scylla paramamosain is stabilized in more than 100,000 tons always, has kept stable growth momentum.Up to the present, the seed of propagating artificially also is mainly derived from the natural seedling in sea area, receives the restriction of sea area natural conditions, and its quality and quantity all are difficult to obtain to guarantee.And the contradiction that seed deficiency and fisherman thirst for enlarging between the breed scale highlights day by day.
The research of Scylla paramamosain artificial breeding has obtained the great attention of domestic and international fisheries expert.In recent years, China has broken through Scylla paramamosain artificial breeding key technology, has set up factorial seedling growth technology.Crab is cultivated oogenesis and hatching technique is the primary key technology that obtains the artificial breeding success and plant.Therefore, be necessary to set up a kind of kind crab artificial culture oogenesis and hatching technique of safe, effective and easy master, thereby promote health, the fast development of China Scylla paramamosain artificial seed breeding process.
Summary of the invention
Technical problem to be solved by this invention provides a kind of Scylla paramamosain artificial culture oogenesis and hatching m, and this method has that oogenesis amount is big, incubation rate is high, the young is energetic, the advantage of safety, easy master.
A kind of Scylla paramamosain artificial culture oogenesis of the present invention and hatching m comprise:
(1) adopt indoor half buried cement pit to cultivate the pond as kind of crab; Lay the thick sand of 10 ~ 15cm in the bottom, the area of sand accounts for 4/5 at the bottom of the whole cultivation pond, aerating device is installed and the gas head is embedded in sand inside; Inject fresh seawater; Height of water level is 60cm, and keeps salinity 27 ~ 32 ‰, keeps cultivating darker light in the pond;
(2) select mating, the development of ovary is full, build is big, the body limb is complete, energetic and do not have parasitic female crab as kind of a crab, with fresh seawater flushing kind of crab and put into above-mentioned kind of crab and cultivate the pond and cultivate, density is lower than 3/m
2
(3) the kinds of crabs nurture each morning in the pool water to replace all the fresh water, rinse thoroughly and dry sand bottom exposed kinds of crabs; clam as bait to Yi, fed twice a day, every morning check berried crabs, if There are timely berried crabs out;
(4) using the above berried crabs fresh water rinse, put in incubators nurture the bucket, inflatable, keeping low lighting; every morning will hatch in the bucket with fresh water to replace all the water and fed Yi razor; berried crabs hatched Zoea, will berried crabs removed and hand dip net to fish out Zoea for breeding.
Area 14 ~ the 16m of the indoor half buried cement pit in the said step (1)
2, be 1.8 ~ 2.0m deeply.
Standard according to every square of 1 gas head in the said step (1) is installed aerating device.
The Polypropylence Sheet that the method for light darker in the pond is covering one deck black above the cultivation pond is cultivated in maintenance in the said step (1).
Hatching pail volume in the said step (4) is 500L.
Inflation in the said step (4) is for using 2 gas head inflations.
Said step (3) and (4) in Yi razor ration to the next morning left 1 to 2 prevail.
Beneficial effect
The present invention has that oogenesis amount is big, incubation rate is high, the young is energetic, the advantage of safety, easy master; Can be by raiser's digestion and grasp fast; And be applicable to that carrying out the seed large-scale artificial breeds, and is expected to promote health, the fast development of China Scylla paramamosain artificial seed breeding process.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The water temperature of breeding in the workshop is up to 32.5 ℃, and minimum is 28.5 ℃.
Embodiment 1
(1) plant crab and cultivate the pond preparation:
Select one and half buried cement pits in the workshop to cultivate pond, area 15m as kind of crab
2, length/width/be respectively deeply 5m/3m/1.8m.Lay thick fine sand of 15cm in the bottom, the area of sand accounts for 4/5 at the bottom of the whole cultivation pond.In sand, bury 15 gas heads underground, bury 1 underground for average every square, sufficient to keep oxygen.Inject fresh seawater, height of water level is 60cm, adopts bleaching water sterilization 15 hours, and reduces with sodium thiosulfate.Measure every day and keep seawater salinity to be in 28 ~ 32 ‰.Above the cultivation pond, hide the Polypropylence Sheet of one deck black, to keep cultivating darker light in the pond.
(2) the kind crab selects and goes into the pond:
Plant crab and need satisfy following 3 standards: the one, the female crab of mating is with its abdomen navel top of hand extruding, the milky or the yellow round dot of visible soybean grain size; The 2nd, the development of ovary is very full, over against high light observation, and the visible side tooth edge that is full of; The 3rd, build is big, the body limb is complete, energetic and do not have parasite.With fresh seawater flushing kind crab and put into kind of a crab pond and cultivate, density is lower than 3/m
2
(3) plant the crab reinforced cultivating:
The seawater that to plant every morning in the crab cultivation pond all drains, and thoroughly cleans the bottom sand, and cleaning impurity and residual bait are done and revealed kind of crab after 1 hour, the fresh seawater of reinjecting.Fed twice daily fresh Yi razor to the next morning left 1 to 2 prevail.Every morning, whether inspection had the kind crab of oogenesis, and in time shifted out.Beginning in the 7th day from kind of crab is cultivated has ovigerous crab to occur successively, and the oogenesis amount is bigger, does not have the miscarriage phenomenon and takes place.
(4) ovigerous crab is cultivated and hatching:
Adopt fresh seawater that ovigerous crab is rinsed well, be put in the hatching pail that volume is 500L and cultivate, add two gas head inflations, bung blocks with cystosepiment, to keep darker light.All change the water every morning and fed live Yi clam, left the next morning ration to 1 to 2 prevail.Cultivate through 10 days continuous reinforcements, ovigerous crab hatches zoea, in time takes out ovigerous crab, and with the write by hand net zoea is pulled out, grows seedlings.Observation and counting through to zoea show that the zoea that ovigerous crab hatched that adopts the present invention to cultivate is energetic, and up about 2,500,000.
Claims (8)
1. Scylla paramamosain artificial culture oogenesis and hatching m comprise:
(1) adopt indoor half buried cement pit to cultivate the pond as kind of crab; Lay the thick sand of 10 ~ 15cm in the bottom, the area of sand accounts for 4/5 at the bottom of the whole cultivation pond, aerating device is installed and the gas head is embedded in sand inside; Inject fresh seawater; Height of water level is 60cm, and keeps salinity 27 ~ 32 ‰, keeps cultivating darker light in the pond;
(2) select mating, the development of ovary is full, build is big, the body limb is complete, energetic and do not have parasitic female crab as kind of a crab, with fresh seawater flushing kind of crab and put into above-mentioned kind of crab and cultivate the pond and cultivate, density is lower than 3/m
2
(3) the kinds of crabs nurture each morning in the pool water to replace all the fresh water, rinse thoroughly and dry sand bottom exposed kinds of crabs; clam as bait to Yi, fed twice a day, every morning check berried crabs, if There are timely berried crabs out;
(4) using the above berried crabs fresh water rinse, put in incubators nurture the bucket, inflatable, keeping low lighting; every morning will hatch in the bucket with fresh water to replace all the water and fed Yi razor; berried crabs hatched Zoea, will berried crabs removed and hand dip net to fish out Zoea for breeding.
2. a kind of Scylla paramamosain artificial culture oogenesis according to claim 1 and hatching m is characterized in that: the area 14 ~ 16m of the indoor half buried cement pit in the said step (1)
2, be 1.8 ~ 2.0m deeply.
3. a kind of Scylla paramamosain artificial culture oogenesis according to claim 1 and hatching m is characterized in that: the standard according to every square of 1 gas head in the said step (1) is installed aerating device.
4. a kind of Scylla paramamosain artificial culture oogenesis according to claim 1 and hatching m is characterized in that: the method that keeps in the said step (1) cultivating light darker in the pond is for hiding the Polypropylence Sheet of one deck black above the cultivation pond.
5. a kind of Scylla paramamosain artificial culture oogenesis according to claim 1 and hatching m is characterized in that: the hatching pail volume in the said step (4) is 500L.
6. a kind of Scylla paramamosain artificial culture oogenesis according to claim 1 and hatching m is characterized in that: the inflation in the said step (4) is for using 2 gas head inflations.
7. a kind of Scylla paramamosain artificial culture oogenesis according to claim 1 and hatching m is characterized in that: the method for the light that the middle maintenance of said step (4) is darker is blocked with cystosepiment for the hatching bung.
8 according to claim 1, wherein the artificial cultivation of a kind of quasi cave crab spawning and incubation method, wherein: said step (3) and (4) in Yi razor ration in the morning left a ~ 2 prevail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102601210A CN102771424A (en) | 2012-07-25 | 2012-07-25 | Artificial cultivation brooding and incubating method for scylla paramamosain |
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| CN2012102601210A CN102771424A (en) | 2012-07-25 | 2012-07-25 | Artificial cultivation brooding and incubating method for scylla paramamosain |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108713515A (en) * | 2018-08-01 | 2018-10-30 | 南京农业大学 | Ovigerous crab hatching apparatus and its application |
| CN109619004A (en) * | 2019-01-25 | 2019-04-16 | 中国水产科学研究院东海水产研究所 | A kind of Eriocheir sinensis ovigerous crab indoor culture method |
| CN112724221A (en) * | 2021-01-26 | 2021-04-30 | 厦门大学 | Scylla paramamosain antibacterial peptide Spamplin58-82And uses thereof |
| CN115500297A (en) * | 2022-09-27 | 2022-12-23 | 宁波大学 | Scylla paramamosain RAS seedling culture method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108713515A (en) * | 2018-08-01 | 2018-10-30 | 南京农业大学 | Ovigerous crab hatching apparatus and its application |
| CN109619004A (en) * | 2019-01-25 | 2019-04-16 | 中国水产科学研究院东海水产研究所 | A kind of Eriocheir sinensis ovigerous crab indoor culture method |
| CN112724221A (en) * | 2021-01-26 | 2021-04-30 | 厦门大学 | Scylla paramamosain antibacterial peptide Spamplin58-82And uses thereof |
| CN112724221B (en) * | 2021-01-26 | 2022-03-15 | 厦门大学 | Scylla paramamosain antibacterial peptide Spamplin58-82And uses thereof |
| CN115500297A (en) * | 2022-09-27 | 2022-12-23 | 宁波大学 | Scylla paramamosain RAS seedling culture method |
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Application publication date: 20121114 |