CN104054596A - Cultivation method for preventing black body disease outbreak of grouper seeds - Google Patents
Cultivation method for preventing black body disease outbreak of grouper seeds Download PDFInfo
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- CN104054596A CN104054596A CN201310681562.2A CN201310681562A CN104054596A CN 104054596 A CN104054596 A CN 104054596A CN 201310681562 A CN201310681562 A CN 201310681562A CN 104054596 A CN104054596 A CN 104054596A
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- 241001417495 Serranidae Species 0.000 title claims abstract description 69
- 201000010099 disease Diseases 0.000 title abstract description 10
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title abstract description 10
- 238000012364 cultivation method Methods 0.000 title abstract 4
- 230000004720 fertilization Effects 0.000 claims abstract description 6
- 239000004575 stone Substances 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims abstract 4
- 239000004568 cement Substances 0.000 claims description 21
- 241000251468 Actinopterygii Species 0.000 claims description 16
- 238000009395 breeding Methods 0.000 claims description 15
- 238000003306 harvesting Methods 0.000 claims description 13
- 230000029052 metamorphosis Effects 0.000 claims description 9
- 241000238557 Decapoda Species 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000001488 breeding effect Effects 0.000 claims description 5
- 241001247197 Cephalocarida Species 0.000 claims description 3
- 241000595940 Notostraca Species 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000012258 culturing Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000004083 survival effect Effects 0.000 abstract description 4
- 239000003814 drug Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 235000019688 fish Nutrition 0.000 description 14
- 241000894006 Bacteria Species 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 230000036528 appetite Effects 0.000 description 3
- 235000019789 appetite Nutrition 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 230000009471 action Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 231100000225 lethality Toxicity 0.000 description 2
- 230000003612 virological effect Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010041349 Somnolence Diseases 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
- 230000008859 change Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000033065 inborn errors of immunity Diseases 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009364 mariculture Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 208000028529 primary immunodeficiency disease Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
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)
- Cultivation Of Plants (AREA)
Abstract
The invention provides a cultivation method for preventing black body disease outbreak of grouper seeds. The cultivation method comprises the following steps: (1), a culture pond which has good daylighting effect and is provided with oxygen filling stones and lighting equipment is selected; (2), two specifications of net cages with the size of 0.5 m*0.5 m*0.5 m and the mesh numbers of 60-80 meshes and 20-30 meshes are prepared; (3), grouper seeds which are cultivated in an outdoor higher-place pond and grown for 18-22 days after fertilization are selected; (4), the net cages are used for low-density cultivation, and 100-200 grouper seeds are placed in each net cage; (5), segmented feeding is performed; and (6), the net cages are removed in 20 days and high-density cultivation is performed. The seeds cultivated with the method have the characteristics of health, few diseases, black body disease outbreak prevention, high survival rate after suffering from the black body disease, no need of special-effect drug treatment and high operability, the survival rate of the grouper seeds can reach higher than 85% with the cultivation method, and the method has great application value.
Description
Technical field
The present invention relates to technical field of aquaculture, be specifically related to a kind of breeding method that prevents the sick outburst of the black body of grouper seed.
Background technology
Grouper is the important marine fish of China, is under the jurisdiction of Perciformes (Perciformes) ,Sushi section (Serranidae), Epinephelinae (Epinephelinae).The main object that has become mariculture ground groupers such as coastal areas of southern China Guangdong, Hainan, Fujian, Guangxi, is liked by consumers in general deeply, and economic worth is huge.
Grouper is the same with other seawater fishs, and seed rearing process is subject to bacterium and viral infringement.The black body disease of grouper is to infect by virus or bacterium the viral or bacillary synthetic disease causing, show as fish body blackout without obviously damage, drowsiness lie on one's side at the bottom of pond, do not take food, spin in floating water etc., it is a kind of fulminating infectious disease, the black fry of lithosporic after one's death lethality is very high, there is no at present specific drug.Grouper is a kind of gregarious fish, and individual number reaches a certain amount of social action that cluster will occur afterwards, in the situation that stress or taking food, all can be agglomerated into one, more will gather closeer of quantity; On the contrary, when individual number arrive less a certain amount of after,, can not there is the behavior of cluster in the distribution of can being scattered.If the habit of grouper cluster has caused only having several seedling to infect viruses or bacterium, afterwards will rapid spread, after acquiring a certain degree, will all break out and collective dead.
The prelarva that grouper fertilized egg is just incubated need to experience the stages such as fin ray growth, fin ray contraction, scale growth, body colour moulding, until hatch, within 40-50 days, just has preliminary immunity later; Before 40 days, grouper seedling immune system imperfection, hypoimmunity.Grouper hatched after 17 days, can by unconscious move about to change into have the cluster of social action to move about, now, virus or bacterium are very easy to infect whole grouper colony by horizontal transmission.Existing high-order pond training seedling mode is more poorer to later stage water quality, if according to the general training seedling operating time, and harvesting after 22 days, grouper seedling all can be carried a large amount of various pathogenic microorganisms, all can break out at any time.Lithosporic fry in the lethality of the black body disease of grouper seedling more than 90%, cause in most cases grouper seedling all dead, cause great economic loss to Grouper cultivating industry, seriously hinder the sound development of grouper industry, become one of bottleneck that grouper industry further develops.
Summary of the invention
The object of the present invention is to provide a kind of breeding method that prevents the sick outburst of the black body of grouper seed, solved the problem that causes the outburst of Hei Shenbing collective because of grouper sociability.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A breeding method that prevents the sick outburst of the black body of grouper seed, is characterized in that, comprises the following steps:
(1) culturing pool is selected: select indoor cement pit, and be provided with oxygenation stone;
(2) prepare net cage: preparation size is that 0.5m * 0.5m * 0.5m, order number are that 60～80 orders and two kinds of specification fish culture net cages of 20～30 objects are a plurality of, and described net cage is suspended in described cement pit;
(3) seed is selected: the grouper seedling of cultivating after fertilization in outdoor high-order pond; The after fertilization grouper seedling harvesting of 18～22 days is put into above-mentioned indoor cement pit;
(4) in net cage, put in a suitable place to breed: the metamorphosis of grouper seedling fish body completes before in 60～80 object cage cultures; Fish body completes abnormal 20～30 order cage cultures that proceed to afterwards; And put 100-200 bar grouper seedling in a suitable place to breed at each net cage;
(5) segmentation is thrown something and fed: put into the biological living bait of throwing something and feeding before the grouper seedling fish body metamorphosis of above-mentioned indoor cement pit; The shrimp gruel that starts to throw something and feed after the metamorphosis of fish body completes, harvesting after the tenth day, throw something and feed shrimp gruel and grouper compound feed, the grouper compound feed of throwing something and feeding after harvesting Ahau;
(6) remove net cage: Ahau recession is except net cage, and fry is all put into cement pit and carries out high-density breeding, and cultivation density is 400～600/m
3.
As preferably, described indoor cement pit is provided with night illumination equipment, opens lighting apparatus evening, lures that grouper seedling constantly moves about into.
As preferably, in described step (3), the grouper seedling fin ray of harvesting does not shrink completely.
As preferably, the biological living bait in described step (5) comprises 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, after harvesting, indoor low-density net cage cultivation, makes lithosporic fry have preliminary immunity, then removes net cage high-density breeding; Seedling health, few, the black body disease of disease of cultivating so do not break out, black survival rate is after one's death high, without special effect medicine therapeutic, and the feature that operability is high; Breeding method of the present invention can make grouper seedling percent reach more than 85%, has major application and is worth.
Embodiment
For the ease of it will be appreciated by those skilled in the art that the present invention is described further below in conjunction with embodiment.
Embodiment 1
A breeding method that prevents the sick outburst of the black body of grouper seed, comprises the following steps:
(1) culturing pool is selected: select indoor cement pit, described cement pit daylighting is effective, and is provided with oxygenation stone and night illumination equipment;
(2) prepare net cage: preparation size is that 0.5m * 0.5m * 0.5m, order number are 80 orders and two kinds of specification fish culture net cages of 20 objects;
(3) seed is selected: grouper seedling 10,000 tails that do not complete contraction at outdoor high-order pond cultivation after fertilization 19 days, fin ray;
(4) in net cage, put in a suitable place to breed: two kinds of specification net cages respectively arrange 50, after above-mentioned steps 3 is cultivated, the grouper seedling of harvesting is put into net cage, wherein, before the metamorphosis of grouper seedling fish body completes, in 80 object net cages, cultivates; Fish body completes abnormal being transferred in 20 order net cages afterwards and cultivates; And each net cage is only put into 200 grouper seedling, and quantity is few like this, and grouper cluster can not occur, gas charging stone is placed on net cage outside, prevents that grouper from hiding gathering; The network interface of these net cages is suspended in the cement pit water surface, opens lighting apparatus evening, lures that grouper seedling constantly moves about into;
(5) segmentation is thrown something and fed: put into the biological living bait of throw something and feed before the grouper seedling fish body metamorphosis of above-mentioned indoor cement pit net cage cladocera and fairy shrimp, till fed to appetite; The shrimp gruel that starts to throw something and feed after the metamorphosis of fish body completes, harvesting after the tenth day, throw something and feed shrimp gruel and grouper compound feed, till fed to appetite, the commercially available grouper compound feed of throwing something and feeding after harvesting Ahau, till fed to appetite;
(6) remove net cage: Ahau recession is except net cage, and fry is all put into cement pit and carries out high-density breeding, and density is 500/m
3.
Result: the grouper seedling of the present embodiment after low-density cultivation, obtains lithosporic fry 8875 tails in the net cage of cement pit, lithosporic fry departs from black body sick critical days, can remove net cage and carry out cement pit high-density breeding, and survival rate is up to more than 85%.
Comparative example 1
The grouper seedling that outdoor high-order pond is cultivated 19 days, fin ray do not complete contraction is totally 1 ten thousand tails, put into a cement pit, grouper seedling starts cluster, cultivate after three days, in grouper seedling colony, have the sick fry of black body, the black body of most grouper seedling after the 5th day, and start collective's death, remaining less than 100 tails after Ahau.
Comparative example 2
Grouper seedling totally 1 ten thousand tails have been shunk in outdoor high-order pond is cultivated the 23rd day, fin ray, put into a cement pit, and second day starts to occur a large amount of black body groupers, all death in the 4th day.
The above embodiment has only expressed Some Species embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (4)
1. a breeding method that prevents the sick outburst of the black body of grouper seed, is characterized in that, comprises the following steps:
(1) culturing pool is selected: select indoor cement pit, and be provided with oxygenation stone;
(2) prepare net cage: preparation size is that 0.5m * 0.5m * 0.5m, order number are that 60～80 orders and two kinds of specification fish culture net cages of 20～30 objects are a plurality of, and described net cage is suspended in described cement pit;
(3) seed is selected: the grouper seedling of cultivating after fertilization in outdoor high-order pond; The after fertilization grouper seedling harvesting of 18～22 days is put into above-mentioned indoor cement pit;
(4) in net cage, put in a suitable place to breed: the metamorphosis of grouper seedling fish body completes before in 60～80 object cage cultures; Fish body completes abnormal 20～30 order cage cultures that proceed to afterwards; And put 100-200 bar grouper seedling in a suitable place to breed at each net cage;
(5) segmentation is thrown something and fed: put into the biological living bait of throwing something and feeding before the grouper seedling fish body metamorphosis of above-mentioned indoor cement pit; The shrimp gruel that starts to throw something and feed after the metamorphosis of fish body completes, harvesting after the tenth day, throw something and feed shrimp gruel and grouper compound feed, the grouper compound feed of throwing something and feeding after harvesting Ahau;
(6) remove net cage: Ahau recession is except net cage, and fry is all put into cement pit and carries out high-density breeding, and cultivation density is 400～600/m
3.
2. the breeding method of the sick outburst of the black body of prevention grouper seed according to claim 1, is characterized in that: described indoor cement pit is provided with night illumination equipment, opens lighting apparatus evening, lures that grouper seedling constantly moves about into.
3. the breeding method of the sick outburst of the black body of prevention grouper seed according to claim 2, is characterized in that: in described step (3), the grouper seedling fin ray of harvesting does not shrink completely.
4. the breeding method of the sick outburst of the black body of prevention grouper seed according to claim 1, is characterized in that: the biological living bait in described step (5) comprises cladocera and fairy shrimp.
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| Application Number | Priority Date | Filing Date | Title |
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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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| CN104054596A true CN104054596A (en) | 2014-09-24 |
| CN104054596B CN104054596B (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106665435A (en) * | 2016-11-30 | 2017-05-17 | 广西大学 | Culture method for inhibiting morbidity of tilapia mossambica fry and fingerlings |
| CN113133424A (en) * | 2021-05-31 | 2021-07-20 | 广东海元农业科技有限公司 | Sectional type 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 |
-
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 |
|---|
| 杨明秋等: "鞍带石斑鱼鱼种培育技术", 《科学养鱼》 * |
| 王应松: "石斑鱼网箱养殖实用技术", 《海洋渔业》 * |
| 符书源等: "棕点石斑鱼池塘网箱养殖模式研究", 《水产科技情报》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106665435A (en) * | 2016-11-30 | 2017-05-17 | 广西大学 | Culture method for inhibiting morbidity of tilapia mossambica fry and fingerlings |
| CN113133424A (en) * | 2021-05-31 | 2021-07-20 | 广东海元农业科技有限公司 | Sectional type rapid thickening method for grouper fries |
| 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 |
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| CN104054596B (en) | 2016-08-17 |
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