CN103518659A - Seedling device and method for preventing mass mortality of larval haliotis diversicolor - Google Patents
Seedling device and method for preventing mass mortality of larval haliotis diversicolor Download PDFInfo
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- CN103518659A CN103518659A CN201310527794.2A CN201310527794A CN103518659A CN 103518659 A CN103518659 A CN 103518659A CN 201310527794 A CN201310527794 A CN 201310527794A CN 103518659 A CN103518659 A CN 103518659A
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- lamina affixad
- young bao
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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 discloses a seedling device and method for preventing mass mortality of larval haliotis diversicolor. The seedling device comprises attachment plates, a breeding pool, filter sea water, nutritive salts and a shading net; the attachment plates are used for breeding and attaching benthic diatoms and the larval haliotis diversicolor; the breeding pool is used for breeding the larval haliotis diversicolor; the filter sea water is arranged in the breeding pool and used for inoculating the benthic diatoms which are attached to the attachment plates which are arranged in the filter sea water; the nutritive salts are arranged in the filter sea water so as to promote the growth of the benthic diatoms; the shading net covers the breeding pool so as to adjust the growth rate of the benthic diatoms which are attached to the attachment plates. The seedling device is simple in structure, the seedling method is easy to operate, the larval haliotis diversicolor can climb onto the new attachment plate automatically after feeding benthic diatoms of the original attachment plate and continue feeding benthic diatoms of the new attachment plate so as to feed sufficient benthic diatoms and grow rapidly, and accordingly the larval haliotis diversicolor mass mortality caused by shortage or aging of bait which is arranged on the original attachment plate is avoided in the process of seedling and the survival rate of the larval haliotis diversicolor is improved.
Description
Technical field
The present invention relates to technical field of aquaculture, specifically, relate to a kind of seedling nursing device and method thereof that prevents the de-plate death of young Bao.
Background technology
Haliotis diversicolor (
haliotis diversicolor) be the important breed variety of southern china, the large-scale cultivation of abalone seedling is the important leverage of China's abalone culture industry sustainable and stable development.In Haliotis diversicolor factorial seedling growth process, fertilized egg is through of short duration trochophore after date, abnormally becomes veliger, the later stage veliger in inoculation, have the corrugated plating of benthic diatom (in production, to be called: lamina affixad), complete and the process such as adhere to, abnormal.Young Bao Jixu after metamorphosis lives, grows on lamina affixad, and the benthic diatom of take on lamina affixad is food, and the young Bao that body reaches 0.3cm left and right peels off from lamina affixad, enters next vegetative stage.In the epiphytism stage, along with the growth of young Bao, food ration increases gradually.Yet, on lamina affixad, the growth rate of benthic diatom and the growth rate of young Bao are difficult to keep synchronizeing, in production, often occur that later stage children Bao is by the benthic diatom eat everything up on lamina affixad, or too fast overstocked because growing, benthic diatom is aging, fall in flakes rapidly, ruin water quality, severe patient lamina affixad surface is almost transparent in algae color and luster.Above situation is easy to be directed at the dead or edible aging bait of the scarce bait of young Bao and causes that the final survival rate of indigestion is extremely low.
In order to address this problem, traditional mode one is to adopt downpour method to append benthic diatom, the 2nd, in advance young Bao Jinhang is peeled off.Wherein method one, after end diatom is sprinkled in breeding water body, is suspended in water body more, and young Bao Buneng feeds into.Even if sprinkle on a small quantity the diatom of water body, be attached on lamina affixad, before amount reproduction, ingested complete, be difficult to fundamentally overcome the above problems.In method two, the young Bao that body length is less than 0.3cm is peeled off in advance at the bottom of pond, is still difficult to adapt to the change of life style, adds the mechanical damage in stripping process, and lethality is also high.
Summary of the invention
Main purpose of the present invention is, for above-mentioned deficiency of the prior art, a kind of seedling nursing device and method thereof that prevents the de-plate death of young Bao is provided, adopt this devices and methods therefor can avoid in Haliotis diversicolor seedling raising process, the de-plate problem of death of young Bao that children's Bao setting stage causes due to a large amount of consumption or the de-algae of benthic diatom on lamina affixad, thus significantly improve young Bao survival rate and growth rate.
It is as follows that the present invention solves the technical scheme that prior art problem adopts:
First the present invention provides a kind of seedling nursing device that prevents the de-plate death of young Bao, and it comprises:
Lamina affixad, for cultivating and adhering to benthic diatom and young Bao;
Cultivate pond, for cultivating described young Bao;
Filtering sea, described filtering sea is arranged to be cultivated in pond, and described lamina affixad is placed in described filtering sea, for inoculating the benthic diatom on lamina affixad;
Nutritive salt, is arranged in described filtering sea, for promoting the growth of benthic diatom;
And shading net, be placed on described cultivation pond, for regulating the light of cultivating pond, to regulate the growth rate of benthic diatom on lamina affixad.
Below above technical scheme is further elaborated:
Further, described lamina affixad comprises former lamina affixad and new lamina affixad, be attached with benthic diatom and young Bao, and described benthic diatom is consumed on described former lamina affixad by described young Bao great Liang; Described new lamina affixad is used for cultivating benthic diatom and young Bao.
Further, described cultivation pond comprises the first cultivation pond and the second cultivation pond, and described first cultivates pond is used for placing described former lamina affixad, and second cultivates pond is used for placing described new lamina affixad.
Further, also comprise a cord, together with described cord is used for described former lamina affixad to be bundled in described new lamina affixad.
Further, described nutritive salt comprises that concentration is that the sodium nitrate of 40mg/L is, the sodium silicate of the potassium dihydrogen phosphate of 4mg/L and 0.4mg/L.
The present invention also provides a kind of seedling-cultivating method that prevents the de-plate death of young Bao, comprises the following steps:
S1: according to the growing state of benthic diatom on growth, the situation of ingesting and the base of young Bao on the former lamina affixad in the first cultivation pond, determine the cultivation time of the benthic diatom of new lamina affixad;
S2: in the second cultivation pond, add filtering sea, described new lamina affixad is put into filtering sea, inoculation benthic diatom algae kind, and add nutritive salt in filtering sea;
S3: shading net is placed on to the second cultivation pond, and controls the light in the second cultivation pond by adjusting shading net, to regulate the growth rate of benthic diatom on new lamina affixad;
After S4:7-10 days, on new lamina affixad, can, with the benthic diatoms of newly cultivating in a large number, with cord, by former lamina affixad and described bundling with a large amount of newly new lamina affixads of the benthic diatoms of cultivation, put into the first cultivation pond;
After S5:48 hour, wait young Bao Zihang on former lamina affixad to climb to after on new lamina affixad, untie cord, and will put into the second cultivation pond with the described new lamina affixad of young Bao and continue to cultivate.
Further, on described former lamina affixad, be attached with benthic diatom and young Bao, and described benthic diatom is consumed by described young Bao great Liang; Described new lamina affixad is used for cultivating benthic diatom and young Bao.
Further, described first cultivates pond is used for placing described former lamina affixad, and second cultivates pond is used for placing described new lamina affixad.
Further, described nutritive salt comprises that concentration is that the sodium nitrate of 40mg/L is, the sodium silicate of the potassium dihydrogen phosphate of 4mg/L and 0.4mg/L.
Further, described new lamina affixad is wave structure.
The invention has the beneficial effects as follows:
One, the seedling nursing device simple structure that prevents the de-plate death of young Bao provided by the invention, its method processing ease, this method is the growing state of benthic diatom on growth, the situation of ingesting and the base on the Central Plains lamina affixad of former cultivation pond (first cultivate pond) according to young Bao, determine the cultivation time of benthic diatom and the culture environment of new culture pond (second cultivating pond) of new lamina affixad, after making young Bao in being transferred to the second cultivation pond, can adapt at once, and the benthic diatom of the new lamina affixad of ingesting to be to grow up, this mode has improved the survival rate of young Bao greatly.
Its two, the present invention is positioned over nutritive salt in described filtering sea, to promote the growth of benthic diatom, makes benthic diatom Fast Growth, makes young Bao can feed into sufficient benthic diatom, thereby significantly accelerates the growth rate of young Bao.
Accompanying drawing explanation
Fig. 1 is the structural representation that can prevent the seedling nursing device of the de-plate death of young Bao in the embodiment of the present invention;
In figure: lamina affixad 1; Cultivate pond 2; Filtering sea 3; Nutritive salt 4; Shading net 5.
Fig. 2 is the flow chart that can prevent the seedling-cultivating method of the de-plate death of young Bao in the embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
embodiment
below with reference to drawings and the specific embodiments, describe technical scheme of the present invention in detail, so as clearer, understand invention essence of the present invention intuitively.
The invention provides a kind of seedling nursing device and method thereof that prevents the de-plate death of young Bao, adopt this devices and methods therefor can avoid in Haliotis diversicolor seedling raising process, the de-plate problem of death of young Bao that the young Bao setting stage causes due to the de-algae of benthic diatom on lamina affixad.
With reference to Fig. 1, this can prevent that the seedling nursing device of the de-plate death of young Bao from comprising lamina affixad 1, cultivating pond 2, filtering sea 3, nutritive salt 4 and shading net 5, and particularly, described lamina affixad 1 is for cultivating and adhering to benthic diatom and young Bao; Described cultivation pond 2 is for cultivating described young Bao; Described filtering sea 3 is arranged to be cultivated in pond 2, and described lamina affixad 1 is placed in described filtering sea 3, for inoculating the benthic diatom on lamina affixad 1; Described nutritive salt 4, devotes in described filtering sea 3, for the growth of benthic diatom provides nutrition, to promote the Fast Growth of benthic diatom; Described shading net 5, is placed on described cultivation pond 2, for regulating the light of cultivating pond 2, to regulate the growth rate of benthic diatom on lamina affixad 1.
Wherein, described lamina affixad 1 comprises former lamina affixad and new lamina affixad, and described former lamina affixad refers to the lamina affixad that has been attached with benthic diatom and young Bao on it, and the benthic diatom on it is consumed by young Bao great Liang; Described new lamina affixad is used for cultivating benthic diatom and young Bao, so that the young Bao on former lamina affixad is transferred on the new lamina affixad with benthic diatom and continues to cultivate, thereby avoid the de-plate of young Bao dead.
In addition, described cultivation pond 2 comprises that the first cultivation pond and second cultivates pond, and described first cultivates pond is used for placing described former lamina affixad, is attached to the benthic diatom that ingests on former lamina affixad carries out growing seedlings early stage for young Bao; Second cultivates pond is used for placing described new lamina affixad, cultivates therein benthic diatom, so that be transferred on new lamina affixad and adhere to, cultivate after the benthic diatom of young Bao on the former lamina affixad of having ingested for new lamina affixad.In this transfer process, just have so a branch mode, so this seedling nursing device also comprises a cord, this cord is for together with being bundled in described former lamina affixad with described new lamina affixad, so that young Bao Zihang climbs to the benthic diatom that ingests on new lamina affixad.
Shown in Fig. 2, these concrete steps that can prevent the seedling-cultivating method of the de-plate death of young Bao comprise:
S1: according to the growing state of benthic diatom on growth, the situation of ingesting and the base of young Bao on the former lamina affixad in the first cultivation pond, determine the cultivation time of the benthic diatom of new lamina affixad;
S2: in the second cultivation pond, add filtering sea, described new lamina affixad is put into filtering sea, inoculation benthic diatom algae kind, and add nutritive salt in filtering sea;
S3: shading net is placed on to the second cultivation pond, and controls the light in the second cultivation pond by adjusting shading net, to regulate the growth rate of benthic diatom on new lamina affixad;
After S4:7-10 days, on new lamina affixad, can, with the benthic diatoms of newly cultivating in a large number, with cord, by former lamina affixad and described bundling with a large amount of newly new lamina affixads of the benthic diatoms of cultivation, put into the first cultivation pond;
After S5:48 hour, wait young Bao Zihang on former lamina affixad to climb to after on new lamina affixad, untie cord, and will put into the second cultivation pond with the described new lamina affixad of young Bao and continue to cultivate.
Wherein, described lamina affixad comprises former lamina affixad and new lamina affixad, and described former lamina affixad refers to the lamina affixad that has been attached with benthic diatom and young Bao on it, and the benthic diatom on it is consumed by young Bao great Liang; Described new lamina affixad is used for cultivating benthic diatom and young Bao, so that the enforcement of step S4, S5, thereby the young Bao on former lamina affixad is transferred on the new lamina affixad with benthic diatom and continues to cultivate, to avoid the de-plate of young Bao dead.And described new lamina affixad is wave structure, be beneficial to the cultivation of benthic diatom and adhering to of young Bao.It should be noted that, in step S4, when former lamina affixad is bundled with new lamina affixad, make should contact between two lamina affixads, leave again gap.
Meanwhile, described cultivation pond comprises that the first cultivation pond and second cultivates pond, and described first cultivates pond is used for placing described former lamina affixad, is attached to the benthic diatom that ingests on former lamina affixad carries out growing seedlings early stage for young Bao; Second cultivates pond is used for placing described new lamina affixad, for new lamina affixad, cultivates therein benthic diatom.
And described nutritive salt comprises that concentration is that the sodium nitrate of 40mg/L, one or more in the sodium silicate of the potassium dihydrogen phosphate of 4mg/L and 0.4mg/L, during concrete operations, can add according to specific needs according to the above ratio.
In sum, the seedling nursing device simple structure that prevents the de-plate death of young Bao provided by the invention, its method processing ease, allow young Bao after the benthic diatom of former lamina affixad that ingested, climb voluntarily to new lamina affixad, the benthic diatom that continues to ingest new lamina affixad, make young Bao can feed into sufficient benthic diatom and Fast Growth, avoided young Bao in seedling raising process because of the generation of bait shortage or the aging and de-plate mortality of bait phenomenon on former lamina affixad, to improve the survival rate of young Bao.
The foregoing is only the preferred embodiments of the present invention; not thereby limit its scope of the claims; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; directly or indirectly be used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the seedling nursing device that can prevent the de-plate death of young Bao, is characterized in that: it comprises:
Lamina affixad, for cultivating and adhering to benthic diatom and young Bao;
Cultivate pond, for cultivating described young Bao;
Filtering sea, described filtering sea is arranged to be cultivated in pond, and described lamina affixad is placed in described filtering sea, for inoculating the benthic diatom on lamina affixad;
Nutritive salt, is arranged in described filtering sea, for promoting the growth of benthic diatom;
And shading net, be placed on described cultivation pond, for regulating the light of cultivating pond, to regulate the growth rate of benthic diatom on lamina affixad.
2. the seedling nursing device that prevents the de-plate death of young Bao according to claim 1, it is characterized in that: described lamina affixad comprises former lamina affixad and new lamina affixad, on described former lamina affixad, be attached with benthic diatom and young Bao, and described benthic diatom is consumed by described young Bao great Liang; Described new lamina affixad is used for cultivating benthic diatom and young Bao.
3. the seedling nursing device that prevents the de-plate death of young Bao according to claim 2, it is characterized in that: described cultivation pond comprises the first cultivation pond and the second cultivation pond, described first cultivates pond is used for placing described former lamina affixad, and second cultivates pond is used for placing described new lamina affixad.
4. according to the seedling nursing device that prevents the de-plate death of young Bao described in claim 2 or 3, it is characterized in that: also comprise a cord, together with described cord is used for described former lamina affixad to be bundled in described new lamina affixad.
5. the seedling nursing device that prevents the de-plate death of young Bao according to claim 1, is characterized in that: described nutritive salt comprises that concentration is that the sodium nitrate of 40mg/L is, the sodium silicate of the potassium dihydrogen phosphate of 4mg/L and 0.4mg/L.
6. the seedling-cultivating method that can prevent the de-plate death of young Bao, is characterized in that: it comprises the following steps:
S1: according to the growing state of benthic diatom on growth, the situation of ingesting and the base of young Bao on the former lamina affixad in the first cultivation pond, determine the cultivation time of the benthic diatom of new lamina affixad;
S2: in the second cultivation pond, add filtering sea, described new lamina affixad is put into filtering sea, inoculation benthic diatom algae kind, and add nutritive salt in filtering sea;
S3: shading net is placed on to the second cultivation pond, and controls the light in the second cultivation pond by adjusting shading net, to regulate the growth rate of benthic diatom on new lamina affixad;
After S4:7-10 days, on new lamina affixad, can, with the benthic diatoms of newly cultivating in a large number, with cord, by former lamina affixad and described bundling with a large amount of newly new lamina affixads of the benthic diatoms of cultivation, put into the first cultivation pond;
After S5:48 hour, wait young Bao Zihang on former lamina affixad to climb to after on new lamina affixad, untie cord, and will put into the second cultivation pond with the described new lamina affixad of young Bao and continue to cultivate.
7. the seedling-cultivating method that prevents the de-plate death of young Bao according to claim 6, is characterized in that: on described former lamina affixad, be attached with benthic diatom and young Bao, and described benthic diatom is consumed by described young Bao great Liang; Described new lamina affixad is used for cultivating benthic diatom and young Bao.
8. the seedling-cultivating method that prevents the de-plate death of young Bao according to claim 6, is characterized in that: described first cultivates pond is used for placing described former lamina affixad, and second cultivates pond is used for placing described new lamina affixad.
9. the seedling-cultivating method that prevents the de-plate death of young Bao according to claim 6, is characterized in that: described nutritive salt comprises that concentration is that the sodium nitrate of 40mg/L is, the sodium silicate of the potassium dihydrogen phosphate of 4mg/L and 0.4mg/L.
10. according to the seedling-cultivating method that prevents the de-plate death of young Bao described in any one in claim 6 ~ 9, it is characterized in that: described new lamina affixad is wave structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310527794.2A CN103518659B (en) | 2013-10-31 | 2013-10-31 | Seedling device and method for preventing mass mortality of larval haliotis diversicolor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310527794.2A CN103518659B (en) | 2013-10-31 | 2013-10-31 | Seedling device and method for preventing mass mortality of larval haliotis diversicolor |
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| CN103518659A true CN103518659A (en) | 2014-01-22 |
| CN103518659B CN103518659B (en) | 2015-03-25 |
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| CN201310527794.2A Expired - Fee Related CN103518659B (en) | 2013-10-31 | 2013-10-31 | Seedling device and method for preventing mass mortality of larval haliotis diversicolor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106342741A (en) * | 2016-11-03 | 2017-01-25 | 雷静桃 | Abalone breeding device and method |
| CN107211932A (en) * | 2017-05-30 | 2017-09-29 | 赵玉明 | A kind of abalone offspring seed cultivation method |
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| CN102144583A (en) * | 2011-03-04 | 2011-08-10 | 郭炳坚 | Method for ecologically controlling artificial breeding of abalone |
| JP2012023971A (en) * | 2010-07-20 | 2012-02-09 | Kochi Univ | Method for identifying abalone |
| CN102618444A (en) * | 2011-04-13 | 2012-08-01 | 福建省水产研究所 | Culture solution for directionally culturing young abalone feed such as Cocconeis |
| KR101180290B1 (en) * | 2012-01-20 | 2012-09-06 | 이주영 | A lower mold of abalone cage |
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2013
- 2013-10-31 CN CN201310527794.2A patent/CN103518659B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201004905Y (en) * | 2007-02-10 | 2008-01-16 | 李成林 | Net cage for raising juvenile abalone |
| CN101647406A (en) * | 2009-09-04 | 2010-02-17 | 福建蓝鲸水产有限公司 | Benthic diatom culture method for growing seedlings and abalone fry culture method |
| JP2012023971A (en) * | 2010-07-20 | 2012-02-09 | Kochi Univ | Method for identifying abalone |
| CN102144583A (en) * | 2011-03-04 | 2011-08-10 | 郭炳坚 | Method for ecologically controlling artificial breeding of abalone |
| CN102618444A (en) * | 2011-04-13 | 2012-08-01 | 福建省水产研究所 | Culture solution for directionally culturing young abalone feed such as Cocconeis |
| KR101180290B1 (en) * | 2012-01-20 | 2012-09-06 | 이주영 | A lower mold of abalone cage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106342741A (en) * | 2016-11-03 | 2017-01-25 | 雷静桃 | Abalone breeding device and method |
| CN107211932A (en) * | 2017-05-30 | 2017-09-29 | 赵玉明 | A kind of abalone offspring seed cultivation method |
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| CN103518659B (en) | 2015-03-25 |
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