CN104054596B - A kind of breeding method preventing grouper fry black body disease to break out - Google Patents
A kind of breeding method preventing grouper fry black body disease to break out Download PDFInfo
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- CN104054596B CN104054596B CN201310681562.2A CN201310681562A CN104054596B CN 104054596 B CN104054596 B CN 104054596B CN 201310681562 A CN201310681562 A CN 201310681562A CN 104054596 B CN104054596 B CN 104054596B
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- 241001417495 Serranidae Species 0.000 title claims abstract description 63
- 201000010099 disease Diseases 0.000 title claims abstract description 19
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 19
- 238000009395 breeding Methods 0.000 title claims abstract description 16
- 230000004720 fertilization Effects 0.000 claims abstract description 6
- 239000004575 stone Substances 0.000 claims abstract description 6
- 238000012258 culturing Methods 0.000 claims abstract description 4
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 4
- 230000011218 segmentation Effects 0.000 claims abstract description 4
- 238000003306 harvesting Methods 0.000 claims description 14
- 241000251468 Actinopterygii Species 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000029052 metamorphosis Effects 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 6
- 241000238557 Decapoda Species 0.000 claims description 5
- 238000009360 aquaculture Methods 0.000 claims description 4
- 244000144974 aquaculture Species 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 241000595940 Notostraca Species 0.000 claims description 3
- 241001247197 Cephalocarida Species 0.000 claims description 2
- 230000001488 breeding effect Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
- 230000004083 survival effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- 241000894006 Bacteria Species 0.000 description 4
- 241000700605 Viruses Species 0.000 description 4
- 230000036528 appetite Effects 0.000 description 3
- 235000019789 appetite Nutrition 0.000 description 3
- 241000448486 Epinephelinae Species 0.000 description 2
- 241000276618 Perciformes Species 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 208000033065 inborn errors of immunity Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 208000028529 primary immunodeficiency disease Diseases 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
Classifications
-
- 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)
- Cultivation Of Plants (AREA)
Abstract
The present invention proposes a kind of breeding method preventing grouper fry black body disease to break out, and comprises the following steps: (1) selects daylighting effective, and is provided with the culturing pool of oxygenation stone and lighting apparatus；(2) preparing size is 0.5m × 0.5m × 0.5m, and mesh number is 60～80 mesh and two kinds of specification net cages of 20～30 purposes；(3) select to cultivate, at outdoor feed coefficient, the 18 22 days grouper seedling of after fertilization obtained；(4) utilizing net cage low-density to cultivate, 100 200 grouper seedling put into by each net cage；(5) segmentation is thrown something and fed；Within (6) two ten days, recession is except net cage high-density breeding.The seedling that the present invention cultivates has health, disease body disease few, black does not breaks out, black survival rate after one's death is high, it is not necessary to special effect medicine therapeutic, the feature that operability is high；The breeding method of the present invention can make grouper seedling percent reach more than 85%, has major application and is worth.
Description
Technical field
The present invention relates to technical field of aquaculture, be specifically related to a kind of prevention grouper fry black body disease outburst
Breeding method.
Background technology
Grouper is the marine fish that China is important, is under the jurisdiction of Perciformes (Perciformes), section
(Serranidae), Epinephelinae (Epinephelinae).In coastal areas of southern China Guangdong, Hainan, good fortune
Build, the ground grouper such as Guangxi has become the main object of sea-farming, is deeply liked by consumers in general, economical
Huge value.
Grouper is as other seawater fish, and seed rearing process is encroached on by bacterium and virus.Lithosporic
Fish black body disease is to be infected, by virus or bacterium, the viral or bacillary synthetic disease caused, and shows as fish
Body blackout without substantially damage, drowsiness lie on one's side at the bottom of pond, do not take food, floating water spin, be that one is broken out
The infectious disease of property, the black fry death rate of lithosporic after one's death is the highest, there is no specific drug at present.Grouper is a kind of
Gregarious fish, number of individuals reaches a certain amount of social action that cluster will occur afterwards, stress or enter
All can be agglomerated into one in the case of food, quantity is the most will gather the closeest；On the contrary, arrive less when number of individuals
After a certain amount of, distribution of being scattered, the behavior of cluster will not occur.The habit of grouper cluster result in as
Only several seedling of fruit infect virus or bacterium, will spread rapidly afterwards, after reaching to a certain degree just
Can all outburst collective's death.
The prelarva incubated at the beginning of grouper embryonated egg needs to experience fin ray growth, fin ray shrinks, scale grows, body colour
The stages such as shaping, until just having preliminary immunity after hatching 40-50 days；Before 40 days, lithosporic
Fish seedling immune system imperfection, hypoimmunity.After grouper hatches 17 days, can be by unconscious travelling
Being changed into and have the cluster of social action to move about, now, virus or bacterium are very easy to by horizontal transmission sense
Dyeing and finishing grouper colony.Existing feed coefficient training seedling mode is more the poorest to later stage water quality, if according to general training
The seedling operating time, harvesting after 22 days, grouper seedling all can carry substantial amounts of various pathogenic microorganism, with
Shi Douhui breaks out.Lithosporic fry in the sick death rate of the black body of grouper seedling more than 90%, most feelings
Cause grouper seedling the most dead under condition, cause great economic loss to Grouper cultivating industry, seriously hinder
Hinder the sound development of grouper industry, it has also become one of bottleneck that grouper industry develops further.
Summary of the invention
It is an object of the invention to provide a kind of breeding method preventing grouper fry black body disease to break out, solve
Because grouper sociability causes the problem that Hei Shenbing collective breaks out.
For solve above-mentioned technical problem, the present invention by the following technical solutions:
A kind of breeding method preventing grouper fry black body disease to break out, it is characterised in that comprise the following steps:
(1) culturing pool selects: selects indoor water mud sump, and is provided with oxygenation stone；
(2) net cage is prepared: preparation size is 0.5m × 0.5m × 0.5m, mesh number is 60～80 mesh and 20～30 mesh
Two kinds of specification aquaculture net cages multiple, described net cage is suspended in described cement pit；
(3) seed selects: cultivate the grouper seedling of after fertilization at outdoor feed coefficient；By after fertilization 18～22 days
Grouper seedling harvesting put into above-mentioned indoor water mud sump；
(4) put in a suitable place to breed in net cage: grouper seedling fish body metamorphosis complete before in the cage culture of 60～80 mesh；Fish
Body proceeds to 20～30 mesh cage cultures after completing metamorphosis；And put 100-200 bar grouper children in a suitable place to breed at each net cage
Seedling；
(5) segmentation is thrown something and fed: biological living of throwing something and feeding before putting into the grouper seedling fish body metamorphosis of above-mentioned indoor water mud sump
Bait；The fish body metamorphosis shrimp that starts after completing to throw something and feed is rotten, and harvesting was thrown something and fed after the tenth day, and shrimp is rotten and grouper compound feed,
Throw something and feed after harvesting Ahau grouper compound feed；
(6) net cage is removed: Ahau recession is except net cage, and fry is all put into and carries out high density in cement pit and support
Growing, cultivation density is 400～600/m3。
As preferably, described indoor water mud sump is provided with night light fixture, opens lighting apparatus evening, lures into
Grouper seedling constantly moves about.
As preferably, in described step (3), the grouper seedling fin ray of harvesting shrinks the most completely.
As preferably, the biological living bait in described step (5) includes cladocera and fairy shrimp.
The invention has the beneficial effects as follows: in the present invention, grouper seedling is first supported in outdoor high pond, low in harvesting rear chamber
Density cage culture, makes lithosporic fry have preliminary immunity, then removes net cage high-density breeding；So training
The seedling educated is healthy, disease body disease few, black does not breaks out, black survival rate after one's death is high, it is not necessary to special effect medicine therapeutic,
The feature that operability is high；The breeding method of the present invention can make grouper seedling percent reach more than 85%, tool
Major application is had to be worth.
Detailed description of the invention
The present invention is retouched further below in conjunction with embodiment for the ease of it will be appreciated by those skilled in the art that
State.
Embodiment 1
A kind of breeding method preventing grouper fry black body disease to break out, comprises the following steps:
(1) culturing pool selects: selecting indoor water mud sump, described cement pit daylighting is effective, and is provided with oxygenation stone
And night light fixture；
(2) net cage is prepared: preparation size is 0.5m × 0.5m × 0.5m, mesh number is 80 mesh and 20 purposes two kinds
Specification aquaculture net cage；
(3) seed selects: cultivate after fertilization 19 days at outdoor feed coefficient, fin ray is not fully complete the grouper children of contraction
Seedling 10,000 tail；
(4) put in a suitable place to breed in net cage: two kinds of specification net cages respectively arrange 50, the stone of harvesting after above-mentioned steps 3 is cultivated
Spot fish seedling is put in net cage, and wherein, grouper seedling fish body metamorphosis is supported before completing in the net cage of 80 mesh
Grow；Fish body is transferred in 20 mesh net cages cultivation after completing metamorphosis；And each net cage only puts into 200 lithosporics
Fish seedling, such quantity is few, and grouper will not occur cluster, and gas charging stone is placed on outside net cage, prevents lithosporic
Fish hides gathering；The network interface of these net cages is suspended in the cement pit water surface, opens lighting apparatus evening, lures lithosporic into
Fish seedling constantly moves about；
(5) segmentation is thrown something and fed: branch of throwing something and feeding before putting into the grouper seedling fish body metamorphosis in above-mentioned indoor water mud sump net cage
The biological living bait of angle class and fairy shrimp, till fed to appetite；Fish body metamorphosis starts shrimp gruel of throwing something and feeding, harvesting after completing
Shrimp of throwing something and feeding after tenth day is rotten and till grouper compound feed, fed to appetite, commercially available lithosporic of throwing something and feeding after harvesting Ahau
Carp compound feed, till fed to appetite；
(6) net cage is removed: Ahau recession is except net cage, and fry is all put into and carries out high density in cement pit and support
Growing, density is 500/m3。
Result: the grouper seedling of the present embodiment after low-density cultivation, obtains grouper in the net cage of cement pit
Seedling 8875 tail, lithosporic fry departs from black body disease critical days, can remove net cage and carry out cement pit high-density breeding,
Survival rate is up to more than 85%.
Comparative example 1
Outdoor feed coefficient is cultivated 19 days, fin ray be not fully complete grouper seedling totally 1 ten thousand tail of contraction, put into
In one cement pit, grouper seedling starts cluster, after cultivating three days, has black in grouper seedling colony
Body disease fry, the overwhelming majority black body of grouper seedling after the 5th day, and it is dead, after Ahau to start collective
Remaining less than 100 tails.
Comparative example 2
Outdoor feed coefficient is cultivated the 23rd day, fin ray shunk grouper seedling totally 1 ten thousand tail, put into one
In individual cement pit, within second day, starting a large amount of black body grouper occur, the 4th day the most dead.
Embodiment described above only have expressed the some embodiments of the present invention, and it describes more concrete and detailed
Carefully, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this
For the those of ordinary skill in field, without departing from the inventive concept of the premise, it is also possible to make some changes
Shape and improvement, these broadly fall into protection scope of the present invention.
Claims (4)
1. one kind is prevented the breeding method that grouper fry black body disease breaks out, it is characterised in that include following step
Rapid:
(1) culturing pool selects: selects indoor water mud sump, and is provided with oxygenation stone；
(2) net cage is prepared: preparation size is 0.5m × 0.5m × 0.5m, mesh number is 60～80 mesh and 20～30 mesh
Two kinds of specification aquaculture net cages multiple, described net cage is suspended in described cement pit；
(3) seed selects: cultivate the grouper seedling of after fertilization at outdoor feed coefficient；By after fertilization 18～22 days
Grouper seedling harvesting put into above-mentioned indoor water mud sump；
(4) put in a suitable place to breed in net cage: grouper seedling fish body metamorphosis complete before in the cage culture of 60～80 mesh；Fish
Body proceeds to 20～30 mesh cage cultures after completing metamorphosis；And put 100-200 bar grouper children in a suitable place to breed at each net cage
Seedling；
(5) segmentation is thrown something and fed: biological living of throwing something and feeding before putting into the grouper seedling fish body metamorphosis of above-mentioned indoor water mud sump
Bait；The fish body metamorphosis shrimp that starts after completing to throw something and feed is rotten, and harvesting was thrown something and fed after the tenth day, and shrimp is rotten and grouper compound feed,
Throw something and feed after harvesting Ahau grouper compound feed；
(6) remove net cage: the recession of harvesting Ahau except net cage, fry all put into cement pit is carried out highly dense
Degree cultivation, cultivation density is 400～600/m3。
The breeding method of prevention grouper fry the most according to claim 1 black body disease outburst, its feature
It is: described indoor water mud sump is provided with night light fixture, opens lighting apparatus evening, lures grouper seedling into
The most travelling.
The breeding method of prevention grouper fry the most according to claim 2 black body disease outburst, its feature
It is: in described step (3), the grouper seedling fin ray of harvesting shrinks the most completely.
The breeding method of prevention grouper fry the most according to claim 1 black body disease outburst, its feature
It is: the biological living bait in described step (5) includes cladocera and fairy shrimp.
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| CN201310681562.2A CN104054596B (en) | 2013-12-12 | 2013-12-12 | A kind of breeding method preventing grouper fry black body disease to break out |
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| CN201310681562.2A CN104054596B (en) | 2013-12-12 | 2013-12-12 | A kind of breeding method preventing grouper fry black body disease to break out |
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| CN104054596B true CN104054596B (en) | 2016-08-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106665435A (en) * | 2016-11-30 | 2017-05-17 | 广西大学 | Culture method for inhibiting morbidity of tilapia mossambica fry and fingerlings |
| CN113133424B (en) * | 2021-05-31 | 2022-07-29 | 广东海元农业科技有限公司 | Segmented rapid thickening method for grouper fries |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444848A (en) * | 2003-01-27 | 2003-10-01 | 广东省大亚湾水产试验中心 | Industrial breeding method for bevel-band rockfish |
| CN102823527A (en) * | 2012-09-13 | 2012-12-19 | 琼海时达渔业有限公司 | Healthy and efficient method for cultivating giant groupers by deepwater anti-stormy waves cages |
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2013
- 2013-12-12 CN CN201310681562.2A patent/CN104054596B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444848A (en) * | 2003-01-27 | 2003-10-01 | 广东省大亚湾水产试验中心 | Industrial breeding method for bevel-band rockfish |
| CN102823527A (en) * | 2012-09-13 | 2012-12-19 | 琼海时达渔业有限公司 | Healthy and efficient method for cultivating giant groupers by deepwater anti-stormy waves cages |
Non-Patent Citations (4)
| Title |
|---|
| 棕点石斑鱼池塘网箱养殖模式研究;符书源等;《水产科技情报》;20130228;第40卷(第2期);全文 * |
| 石斑鱼新型网箱健康养殖技术;贝维全等;《河北渔业》;20100930(第9期);全文 * |
| 石斑鱼网箱养殖实用技术;王应松;《海洋渔业》;19880630(第3期);全文 * |
| 鞍带石斑鱼鱼种培育技术;杨明秋等;《科学养鱼》;20100831(第8期);第一-四节 * |
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