CN106069896A - A kind of ecological breeding method improving larvae survival rate - Google Patents
A kind of ecological breeding method improving larvae survival rate Download PDFInfo
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- CN106069896A CN106069896A CN201610422046.1A CN201610422046A CN106069896A CN 106069896 A CN106069896 A CN 106069896A CN 201610422046 A CN201610422046 A CN 201610422046A CN 106069896 A CN106069896 A CN 106069896A
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- survival rate
- ovum
- parent population
- breeding method
- ecological breeding
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- 230000004083 survival effect Effects 0.000 title claims abstract description 21
- 238000009395 breeding Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 102000002322 Egg Proteins Human genes 0.000 claims abstract description 23
- 108010000912 Egg Proteins Proteins 0.000 claims abstract description 23
- 210000004681 ovum Anatomy 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 16
- 241000700141 Rotifera Species 0.000 claims abstract description 11
- 241000195649 Chlorella <Chlorellales> Species 0.000 claims abstract description 8
- 230000012447 hatching Effects 0.000 claims abstract description 8
- 241000195493 Cryptophyta Species 0.000 claims abstract description 5
- 230000001488 breeding effect Effects 0.000 claims abstract description 5
- 238000012258 culturing Methods 0.000 claims abstract description 5
- 230000013011 mating Effects 0.000 claims abstract description 5
- 239000013535 sea water Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 2
- 241000251468 Actinopterygii Species 0.000 description 4
- 238000009313 farming Methods 0.000 description 4
- 241001247278 Acanthopagrus schlegelii Species 0.000 description 3
- 241001596950 Larimichthys crocea Species 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 230000004899 motility Effects 0.000 description 2
- 230000000384 rearing effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000004980 Rheum officinale Species 0.000 description 1
- 235000008081 Rheum officinale Nutrition 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002710 gonadal effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 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
-
- 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
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
-
- 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)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Behavior & Ethology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to a kind of ecological breeding method improving larvae survival rate, comprising: female parent population and male parent population are placed with the culturing pool of outer discharge outlet according to the ratio of 2:1；Mating period, embryonated egg collected by discharge outlet mesh bag outside；Hydrometer method is utilized to separate the ovum being fertilized with unfertilized ovum；Net cage micro-inflation hatching that the good ovum being fertilized is put in hatchery；Put into embryonated egg intact for growth after hatch in nursery pond；After prelarva hatches, adding chlorella algae solution at breeding water body, density is maintained at 20 × 104～30 × 104Between ind/ml；During prelarva opening, adding wheel animalcule, density domination is between 6～8ind/ml.The method of the present invention can be greatly improved the survival rate of prelarva, reduce quantity of exchanged water, is a kind of efficient ecological breeding method.
Description
Technical field
The invention belongs to aquatic product sprout Cultivating techniques field, particularly to a kind of ecological breeding side improving larvae survival rate
Method.
Background technology
China is the maximum sea-farming big country in the whole world, and within 2013, sea-farming yield reaches 1739.25 ten thousand t, accounts for generation
More than the 70% of boundary's sea-farming total output, is the country that unique cultured output exceedes fishery output in the world.
Marine fish culture industry quickly grows, and cultured area and scale are increasing, and the species of cultivation and quantity are increasingly
Many, sea-farming occupies critical positions.
Seed rearing is the vital link of marine fish culture, and the breakthrough of artificial breeding technology can solve seedling
The problem planting short supply, enables aquaculture health, stable, sustainable development.The seedling-raising technique of low consumption high yield can be significantly
Improve weed survival rate, reduction disposal of pollutants, increase production and improve productivity, improve the supply of seed more, at marine fish culture
In, play very important effect.
Content of the invention
The technical problem to be solved is to provide a kind of ecological breeding method improving larvae survival rate, the method
By building microecosystem, rate of water exchange can be reduced, improve larvae survival rate.
A kind of ecological breeding method improving larvae survival rate of the present invention, comprising:
(1) female parent population and male parent population are placed with the culturing pool of outer discharge outlet according to the ratio of 2:1；
(2) mating period, utilizing flowing water to go out chalaza, embryonated egg collected by discharge outlet mesh bag outside；
(3) hydrometer method is utilized to separate the ovum being fertilized with unfertilized ovum；
(4) the net cage micro-inflation hatching good ovum (growing intact) being fertilized being put in hatchery；
(5) put into embryonated egg intact for growth after hatch in nursery pond；
(6) after prelarva hatches, adding chlorella algae solution at breeding water body, density is maintained at 20 × 104～30 × 104ind/
Between ml；
(7) during prelarva opening, adding wheel animalcule, density domination is between 6～8ind/ml.
In described step (1) female parent population and great ambition parent population body surface is complete, body colour is gorgeous, vigor good, healthy lossless.
After in described step (1), female parent population and male parent population put into culturing pool, density is 6 tails/m3。
In described step (1), the average weight of female parent population and male parent population is 1kg.
In described step (2), mesh bag mesh is 40 mesh；The bolting silk of 40 mesh is done and becomes band, be fixed together with elbow, use
Collect ovum in discharge outlet outside.
In described step (3), ovum is buoyant egg, is separated by hydrometer method: the ovum of collection is put into the sea of salinity 36 ‰
In water, growing intact embryonated egg and floating, rudimentary ovum and impurity will sink；Before prelarva emersion, reuse proportion
Method separates hatching with unhatched embryonated egg, and collects to hatch and grows intact embryonated egg.
Container used by described separation embryonated egg is the beneath transparent utensil with valve, the transparent body being easy to observe embryonated egg
Long-pending, rudimentary embryonated egg and impurity can be discharged by beneath band valve easily.
The cloth ovum density that in described step (5), embryonated egg is put in nursery pond is 120ml/m2。
In described step (5), the initial depth of water of nursery pond is 50cm.
The present invention can be greatly improved the survival rate of prelarva, reduce quantity of exchanged water, is a kind of efficient ecological breeding method.
Beneficial effect
In the present invention, chlorella carries out self-reproduction by photosynthesis in water, consumes CO2While release O2, supply
Wheel animalcule and prelarva respiratory metabolism, provide sufficient bait for wheel animalcule simultaneously；Wheel animalcule by the chlorella that ingests, keeps one in water body
Fixed density and fresh and alive degree, provide open-mouthed bait for prelarva.The present invention uses chlorella, wheel animalcule, prelarva, structure in seedling water
Build miniature biochemical analyzer, while reducing quantity of exchanged water, substantially increase larvae survival rate, seawater fish seed rearing is played non-
Often important effect.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention
Rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
Embodiment 1
1st, the selection of parent population and cultivation: gather that body surface color is normal, vigor good, black porgy raun healthy, anosis, sexually matured
With milter as parent, sex ration is 2:1, and cultivation density is 6 tails/m3, the average weight of parent population is 1kg；
2nd, the annual early or mid April in Jiangsu Province, when natural temperature reaches 16 DEG C, black porgy i.e. enters mating period, logical
Cross flowing water embryonated egg is taken out of, utilize the mesh bag of 40 mesh to collect embryonated egg in discharge outlet；The bolting silk of 40 mesh is done and becomes band, and curved
Head is fixed together, and discharge outlet collects ovum outside.
3rd, the embryonated egg of collection is rinsed well, go the removal of impurity, allocate salinity with sea-water extract, make salinity reach 36 ‰, fall
Enter in the valvular transparent vessel of bottom belt, then embryonated egg is poured into wherein；
4th, owing to black porgy ovum is buoyant egg, well-developed embryonated egg all swims in water body upper strata, by opening bottom valve
Unfertilized and hypogenetic ovum is drained by door, and add up the good egg volume being fertilized is 3L simultaneously；
5th, adding nature seawater in hatchery, net cage puts into it, puts in net cage by the embryonated egg of collection, micro-inflate into
Row hatching.
6th, before prelarva emersion, reuse hydrometer method and separate hatching with unhatched embryonated egg, collect and incubate
The embryonated egg volume changed is 2.4L, and calculating and obtaining incubation rate is 80%；
7th, it is 20m by area2Nursery pond enters water level to 50cm, adds density to be 500 × 104The bead algae solution of ind/ml
0.5m3, step into well-developed for 2.4L embryonated egg in pond；
8th, in salinity 23 ‰, under the conditions of water temperature 19.6 DEG C, newly hatched larvae 3 days just opening, now, by the density of 8ind/ml
Add wheel animalcule as the open-mouthed bait of prelarva；
9th, the density of chlorella and wheel animalcule is checked every day so that it is be kept at 20 × 104～30 × 104Ind/ml and 6～
The density of 8ind/ml, keeps not changing for 20 days water, and statistics of drawing a design at random postlarva quantity, being calculated as motility rate is 86%, than traditional nursery
The survival rate of method 58% significantly improves.
Embodiment 2
1st, the selection of parent population and cultivation: gather that body surface color is normal, vigor good, large yellow croaker healthy, anosis, sexually matured is female
Fish and milter are as parent, and sex ration is 2:1, and cultivation density is 6 tails/m3, the average weight of parent population is 1kg；
2nd, in southern Jiangsu Province, large yellow croaker parent survives the winter to heat up at indoors artificial and carries out, and takes to strengthen nutrition, control
The measures such as illumination promote parent population gonadal maturation, annual late March to early April, cultivation water temperature rise to 18 DEG C, large yellow croaker
I.e. enter mating period, by flowing water, embryonated egg is taken out of, utilize the mesh bag of 40 mesh to collect embryonated egg in discharge outlet；By 40 purposes
Bolting silk does and becomes band, and is fixed together with elbow, and discharge outlet collects ovum outside.
3rd, the embryonated egg of collection is rinsed well, go the removal of impurity, allocate salinity with sea-water extract, make salinity reach 36 ‰, fall
Enter in the valvular transparent vessel of bottom belt, then embryonated egg is poured into wherein；
4th, owing to rheum officinale fish-egg is buoyant egg, well-developed embryonated egg all swims in water body upper strata, bottom opening
Unfertilized and hypogenetic ovum is drained by valve, and add up the good egg volume being fertilized is 2.8L simultaneously；
5th, adding nature seawater in hatchery, net cage puts into it, puts in net cage by the embryonated egg of collection, micro-inflate into
Row hatching.
6th, before prelarva emersion, reuse hydrometer method and separate hatching with unhatched embryonated egg, collect and incubate
The embryonated egg volume changed is 2.4L, and calculating and obtaining incubation rate is 85.7%；
7th, it is 20m by area2Nursery pond enters water level to 50cm, adds density to be 500 × 104The bead algae solution of ind/ml
0.5m3, step into well-developed for 2.4L embryonated egg in pond；
8th, in salinity 23 ‰, under the conditions of water temperature 20.8 DEG C, newly hatched larvae 4 days just opening, now, by the density of 8ind/ml
Add wheel animalcule as the open-mouthed bait of prelarva；
9th, the density of chlorella and wheel animalcule is checked every day so that it is be kept at 20 × 104～30 × 104Ind/ml and 6～
The density of 8ind/ml, keeps not changing for 20 days water, and statistics of drawing a design at random postlarva quantity, being calculated as motility rate is 89%, than traditional nursery
The survival rate of method 76% significantly improves.
Claims (8)
1. the ecological breeding method improving larvae survival rate, comprising:
(1) female parent population and male parent population are placed with the culturing pool of outer discharge outlet according to the ratio of 2:1；
(2) mating period, embryonated egg collected by discharge outlet mesh bag outside；
(3) hydrometer method is utilized to separate the ovum being fertilized with unfertilized ovum；
(4) the net cage micro-inflation hatching good ovum being fertilized being put in hatchery；
(5) put into embryonated egg intact for growth after hatch in nursery pond；
(6) after prelarva hatches, adding chlorella algae solution at breeding water body, density is maintained at 20 × 104～30 × 104Ind/ml it
Between；
(7) during prelarva opening, adding wheel animalcule, density domination is between 6～8ind/ml.
2. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(1) in, female parent population and great ambition parent population body surface are complete, healthy lossless.
3. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(1) after in, female parent population and male parent population put into culturing pool, density is 6 tails/m3。
4. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(1) in, the average weight of female parent population and male parent population is 1kg.
5. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(2) in, mesh bag mesh is 40 mesh.
6. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(3) in, ovum is buoyant egg, is separated by hydrometer method: puts into the ovum of collection in the seawater of salinity 36 ‰, grows intact
Embryonated egg is floated, and rudimentary ovum and impurity will sink；Before prelarva emersion, reusing hydrometer method will hatch and not incubate
The embryonated egg changed separates, and collects the intact embryonated egg of the growth hatched.
7. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(5) the cloth ovum density that in, embryonated egg is put in nursery pond is 120ml/m2。
8. a kind of ecological breeding method improving larvae survival rate according to claim 1, it is characterised in that described step
(5) in, the initial depth of water of nursery pond is 50cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422046.1A CN106069896A (en) | 2016-06-14 | 2016-06-14 | A kind of ecological breeding method improving larvae survival rate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610422046.1A CN106069896A (en) | 2016-06-14 | 2016-06-14 | A kind of ecological breeding method improving larvae survival rate |
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| Publication Number | Publication Date |
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| CN106069896A true CN106069896A (en) | 2016-11-09 |
Family
ID=57846454
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| CN201610422046.1A Pending CN106069896A (en) | 2016-06-14 | 2016-06-14 | A kind of ecological breeding method improving larvae survival rate |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683854A (en) * | 1970-09-17 | 1972-08-15 | Oceanography Mariculture Ind | Apparatus for separating viable fish eggs from non-fertilized eggs |
| CN101897308A (en) * | 2010-07-29 | 2010-12-01 | 中国水产科学研究院黄海水产研究所 | Equipment and method for collecting industrially cultivated pelagic eggs |
| CN102388823A (en) * | 2011-08-15 | 2012-03-28 | 中国水产科学研究院淡水渔业研究中心 | Automatic collection device for semi-floating fish eggs |
| CN103478022A (en) * | 2013-08-07 | 2014-01-01 | 泰州市秋雪湖渔业有限公司 | Method for promoting nature spawning of american shad by using artificial culture ecological factor |
| CN104719204A (en) * | 2015-03-19 | 2015-06-24 | 中国水产科学研究院东海水产研究所 | Pampus argenteus fertilized egg selection device and application method thereof |
-
2016
- 2016-06-14 CN CN201610422046.1A patent/CN106069896A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3683854A (en) * | 1970-09-17 | 1972-08-15 | Oceanography Mariculture Ind | Apparatus for separating viable fish eggs from non-fertilized eggs |
| CN101897308A (en) * | 2010-07-29 | 2010-12-01 | 中国水产科学研究院黄海水产研究所 | Equipment and method for collecting industrially cultivated pelagic eggs |
| CN102388823A (en) * | 2011-08-15 | 2012-03-28 | 中国水产科学研究院淡水渔业研究中心 | Automatic collection device for semi-floating fish eggs |
| CN103478022A (en) * | 2013-08-07 | 2014-01-01 | 泰州市秋雪湖渔业有限公司 | Method for promoting nature spawning of american shad by using artificial culture ecological factor |
| CN104719204A (en) * | 2015-03-19 | 2015-06-24 | 中国水产科学研究院东海水产研究所 | Pampus argenteus fertilized egg selection device and application method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 柳学周等: "《半滑舌鳎繁育理论与养殖技术》", 31 May 2014, 中国农业出版社 * |
| 江世贵等: "《中海近海鲷科鱼类种质资源及其利用》", 31 May 2012, 海洋出版社 * |
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Application publication date: 20161109 |
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