CN105875457B - A kind of method for culturing seedlings for preventing spat from accumulating - Google Patents
A kind of method for culturing seedlings for preventing spat from accumulating Download PDFInfo
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- CN105875457B CN105875457B CN201610310594.5A CN201610310594A CN105875457B CN 105875457 B CN105875457 B CN 105875457B CN 201610310594 A CN201610310594 A CN 201610310594A CN 105875457 B CN105875457 B CN 105875457B
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- spat
- nursery box
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The present invention relates to aquatic animals to cultivate field, specifically, it is related to a kind of method for culturing seedlings for preventing spat from accumulating, it include: to cultivate spat in nursery box, the spat that nursery box bottom is accumulated sufficiently is lifted to the stopping ventilation afterwards at the middle and upper levels of water from the nursery box bottom ventilation and using the impulse force of air draught, so that spat sinks again under gravity and is uniformly distributed in the nursery box bottom.This method injures small, agitation to spat and freshwater mussel seedling after dead angle, agitation is not stayed to be evenly distributed, and working efficiency can be substantially improved, reduce working strength.Method for culturing seedlings provided by the invention further relates to a kind of nursery box, can increase space utilization rate using the nursery box and using shelf arrangement placement, be convenient for orderly management, case internal circulation flow water for larval nursing, oxygen supply is more sufficient, and the nutrition for being supplied to spat is richer.
Description
Technical field
The present invention relates to aquatic animals to cultivate field, in particular to a kind of method for culturing seedlings for preventing spat from accumulating.
Background technique
Long 0.3mm of freshwater mussel seedling (young freshwater mussel) shell just to have fallen off from fish body or so, by cultivation in one month or so, can just grow to
1.0~2.0cm.Requirement of the young freshwater mussel to nurturing an environment is more stringent, needs dissolved oxygen abundance, food organisms abundant.It is every square general
Emerge more than 40,000 only.In such high concentration environment, water quality should be kept pure and fresh, but cannot allow the small freshwater mussel seedling of individual not by
Water flow washes away, so water flow cannot be too anxious and can only be flowed on upper layer, freshwater mussel seedling seeks bottom in underwater sediment and dwells life.With young freshwater mussel
Development, individual increase, and water quality had both been needed to be stepped up bait supply, and increase accordingly bottom sediment by gradually fertile clearly.
Currently, common young freshwater mussel all uses warm canopy washing basin, miniflow water planting such as the cultivation of the young freshwater mussel of hydriopsis cumingii substantially
Educate method.Pond rearing feed algae is generally utilized, water flow accesses warm canopy by storage cistern.Culture pond is generally 1~1.5m in canopy2
Square, deep 15cm, is folded by brick or cement is built into, and interior laying plastic film prevents from leaking, and bottom spreads a small amount of thin mud sand.Each training
Chi Douyou inlet and outlet are educated, in order to make full use of water source and save energy, pond and storage cistern are higher than rearing technology pond,
The water that culture pond flows out can be withdrawn into pond by water pump in this way, recycled.
Movement and water body recovery technology deposition in existing spat seedling raising process due to water flow and freshwater mussel seedling etc., often
Cause spat to be unevenly distributed, accumulate, or covered by excessive silt, thus influences spat survival and final emergence rate.In order to
Guarantee that each freshwater mussel seedling obtains sufficient dissolved oxygen and bait abundant, need strictly spat to be prevented to be unevenly distributed, or even accumulation.Production
In can only daily with hand agitation basin bottom, eluriate drift mud.Poultry feeders are needed to pay a large amount of time cost and labour cost；
And nonetheless, since labour is limited, if stirring water not in time, or agitation is not perfect, the accumulation of part spat, anoxic can all be made
And it is dead, seriously affect spat survival rate and emergence rate.
In view of this, the present invention is specifically proposed.
Summary of the invention
The purpose of the present invention is to provide a kind of method for culturing seedlings for preventing spat from accumulating, the method for culturing seedlings can be mentioned substantially
Labor efficiency is risen, seedling cost is reduced, and can effectively prevent spat accumulation, improves spat survival rate and emergence rate.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
From the mud of nursery box bottom ventilation agitation bottom and the spat of accumulation, pool bottom is stirred with hand relative to traditional
Portion, the milder of agitation is smaller to spat injury, and impacts so that back side dispersed distribution obtains more evenly.
Preferably, the method for culturing seedlings for preventing spat from accumulating as described above, provides the device of the air draught are as follows: be connected with
The tracheae of air pressure pump or air blower, when being ventilated, one end of the tracheae is contacted with nursery box bottom.
In order to enable the gas sprayed has enough impact forces, being preferably provided with and providing the device of the air draught is to be connected with
The tracheae of air pressure pump.
The tracheostomy for being connected with air pressure pump is securable to the air-breather of the nursery box, and setting timing is logical
Gas.
Preferably, the method for culturing seedlings for preventing spat from accumulating as described above:
The air pressure pump or air blower are Portable compressed pump or air blower, it is further preferred that powering for battery
Compression pump or air blower；
The tracheae is hard tracheae, is additionally provided with gas flow rate regulating device and handle on the tracheae.
For save the cost, and make aeration more maneuverability, preferably air-breather is portable unit, due to air
Compression pump or air blower are that the device that small portable is battery powered is convenient for so whole device can be stored and be carried on the back in shoulder
Poultry feeders operation；Tracheae is hard tracheae, convenient for probeing into nursery box bottom；It is additionally provided with gas flow rate on the tracheae and adjusts dress
It sets and handle, handle holds convenient for poultry feeders, gas flow rate regulating device then can control the opening and closing of air-flow, and flexibly control gas
The size of stream, with the excessive injury spat of impact force proof.
It is further preferred that preventing the method for culturing seedlings of spat accumulation as described above, it is provided in the opening of the tracheae
Rake segments pipe structure.
It is several bronchuses that the tracheae transverse branch is rake shape at gas outlet that rake, which segments pipe structure, this design
On the one hand gas outlet can be further reduced, air pressure is increased；The contact area of air-flow Yu nursery box bottom is more importantly, increased,
So that operation is highly efficient.
Preferably, the method for culturing seedlings for preventing spat from accumulating as described above, a length of 55~65cm of the nursery box, width are
35~45cm, depth are 12~18cm.
Such a nursery box, the stocking rate of spat are 20000~30000 tails.
Preferably, the method for culturing seedlings for preventing spat from accumulating as described above, the nursery box further includes water inlet and water outlet
Mouthful；Water for larval nursing is flowed by the water inlet, and the water outlet by water inlet opposite side one side is arranged in is discharged.
The nursery box water outlet one side opposite in hole for water spraying, the water discharged into from top to down, flow out, water flow should not mistake naturally
Greatly, the position of nursery box at the middle and upper levels is arranged in water outlet, and spat is discharged with anti-error.
Preferably, the method for culturing seedlings for preventing spat from accumulating as described above closes the water inlet when carrying out aeration
Mouth and the water outlet.
Temporary close water flow can prevent spat from being taken away by water flow.
Preferably, the method for culturing seedlings for preventing spat from accumulating as described above, the nursery box are layered superposition row by bracket
Column.
It is arranged under the overlay nursery box by bracket layering, can reach and space is made full use of, each nursery box bracket
Degree is determined according to the area of nursery workshop, scale；Height, which is subject to, facilitates poultry feeders to operate.
Preferably, the method for culturing seedlings of spat accumulation is prevented as described above, is provided between the two neighboring bracket
Road.
Preferably, the method for culturing seedlings of spat accumulation is prevented as described above, and cultivating in the water for larval nursing has suitable for described
The edible preponderant algae of spat simultaneously filters, after aeration oxygen replenishing by precipitating, inputs nursery workshop, then branch by every by water inlet manifold
A water inlet is input in each nursery box.
Compared with prior art, the invention has the benefit that
1), the method that air draught dispersion provided by the invention mixes spat is suitable for layering superposing type provided by the present application
The nursery that nursery box is also applied for the different scales such as large-scale nursery pond uses, small to spat injury, and mixing is more evenly；
2), the mancarried device of the tracheae provided by the invention for being connected with air pressure pump or air blower it is easily operated with take
Band, and preferred rake subdivision pipe structure agitation spat is high-efficient, agitation does not stay freshwater mussel seedling after dead angle, agitation to be evenly distributed, and compares people
The effect of work operation is more preferable；
3), method for culturing seedlings provided by the invention further relates to a kind of nursery box, arranges using the nursery box and using shelf
Placement can increase space utilization rate, be convenient for orderly management, and case internal circulation flow water for larval nursing, oxygen supply is more sufficient, is supplied to shellfish
The nutrition of seedling is richer.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the top view of nursery box provided by the invention put on the top of the shelf；
Fig. 2 is the side view of nursery box provided by the invention put on the top of the shelf.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
Embodiment 1
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
Embodiment 2
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
Wherein, the device of the air draught is provided are as follows: be connected with the tracheae of air pressure pump.The air pressure pump is just
The compression pump taking formula and being battery powered；The tracheae is hard tracheae, is additionally provided with gas flow rate regulating device on the tracheae
And handle.
Embodiment 3
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
Wherein, the device of the air draught is provided are as follows: be connected with the tracheae of air blower.The air blower be it is portable and by
Battery powered compression pump；The tracheae is hard tracheae, is additionally provided with gas flow rate regulating device and handle on the tracheae.
A length of 55~65cm of the nursery box, width are 35~45cm, and depth is 12~18cm.
Embodiment 4
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
Wherein, the device of the air draught is provided are as follows: be connected with the tracheae of air blower.The air blower be it is portable and by
Battery powered compression pump；The tracheae is hard tracheae, is additionally provided with gas flow rate regulating device and handle on the tracheae.
A length of 55~65cm of the nursery box, width are 35~45cm, and depth is 12~18cm；The nursery box further include into
The mouth of a river and water outlet；Water for larval nursing is flowed by the water inlet, and the water outlet by water inlet opposite side one side is arranged in is discharged；
When carrying out aeration, the water inlet and the water outlet are closed, to prevent freshwater mussel seedling from being taken away by water flow.
Embodiment 5
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
Wherein, the device of the air draught is provided are as follows: be connected with the tracheae of air pressure pump.Air pressure pump be it is small-sized just
The compression pump that the formula of taking is battery powered；Tracheae is hard tracheae, and the opening of tracheae is that rake segments pipe structure；The air compression
Gas flow rate regulating device and handle are additionally provided on the tracheae of pump.
A length of 55~65cm of the nursery box, width are 35~45cm, and depth is 12~18cm；The nursery box further include into
The mouth of a river and water outlet；Water for larval nursing is flowed by the water inlet, and the water outlet by water inlet opposite side one side is arranged in is discharged；
When carrying out aeration, the water inlet and the water outlet are closed, to prevent freshwater mussel seedling from being taken away by water flow.
Preferably, in order to improve the breeding efficiency of nursery workshop unit area, the nursery box is layered by bracket folded
Add arrangement, operator's walking passageway is provided between bracket described in every two；Superimposed layer number is according to reservoir height and hydraulic pressure
It determines；The spread length of each group of nursery box is determined according to the area of nursery workshop, scale；
Embodiment 6
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box, will be educated from the nursery box bottom ventilation and using the impulse force of air draught
Seedling box bottom accumulation spat be sufficiently lifted to water at the middle and upper levels afterwards stop ventilation so that spat under gravity again under
It sinks and is uniformly distributed in the nursery box bottom.
Wherein, the device of the air draught is provided are as follows: be connected with the tracheae of air pressure pump.Air pressure pump be it is small-sized just
The compression pump that the formula of taking is battery powered；Tracheae is hard tracheae, and the opening of tracheae is that rake segments pipe structure；The air compression
Gas flow rate regulating device and handle are additionally provided on the tracheae of pump.Air pressure pump device can be carried on the back in shoulder, not only be shortened
The length of snorkel, and mobile flexible, convenient working.
A length of 55~65cm of the nursery box, width are 35~45cm, and depth is 12~18cm；The nursery box further include into
The mouth of a river and water outlet；When carrying out aeration, the water inlet and the water outlet are closed, to prevent freshwater mussel seedling by water flow band
It walks.
Preferably, in order to improve the breeding efficiency of nursery workshop unit area, the nursery box is layered by bracket folded
Add arrangement；Water for larval nursing is provided by special pond, cultivates wherein preponderant algae and by precipitating filtering, after aeration oxygen replenishing, by into
Supply mains inputs nursery workshop, then branch is input in each nursery box by each water inlet
Embodiment 7
A kind of method for culturing seedlings for preventing spat from accumulating, comprising:
Spat is cultivated in nursery box 101, from 101 bottom ventilation of nursery box and rushing using air draught
The spat that 101 bottom of nursery box is accumulated sufficiently is lifted to the stopping ventilation afterwards at the middle and upper levels of water by power, so that work of the spat in gravity
Sink again under and is uniformly distributed in 101 bottom of nursery box.
Wherein, the device of the air draught is provided are as follows: be connected with the tracheae of air pressure pump；Air pressure pump be it is small-sized just
The compression pump that the formula of taking is battery powered；Tracheae is hard tracheae, and the opening of tracheae is that rake segments pipe structure；The air compression
Gas flow rate regulating device and handle are additionally provided on the tracheae of pump.Air pressure pump device can be carried on the back in shoulder, not only be shortened
The length of snorkel, and mobile flexible, convenient working.
A length of 60cm of the nursery box 101, width 40cm, depth 15cm；The nursery box 101 further include water inlet and
Water outlet；When carrying out aeration, the water inlet and the water outlet are closed, to prevent freshwater mussel seedling from being taken away by water flow.
Preferably, in order to improve the breeding efficiency of nursery workshop unit area, the nursery box 101 is passed through into bracket 102
Layering is arranged under the overlay, and stacked system is as depicted in figs. 1 and 2, and passageway 103 is provided between bracket described in every two；It is superimposed the number of plies
It is determined according to reservoir height and hydraulic pressure；The spread length of each group of nursery box 101 is determined according to the area of nursery workshop, scale
It is fixed.Water for larval nursing is provided by special pond, reinforced cultivating preponderant algae, by the filtering of reservoir precipitating, after aeration oxygen replenishing, by into
Supply mains inputs nursery workshop, is input to every group of nursery box by being in charge of, then input every layer of nursery box from bottom to top by branch pipe, finally
By tubule by water flow jet to each nursery box；The water outlet of nursery box 101 the opposite face water surface of water inlet at the middle and upper levels
Place, water outlet from top to down, flow out naturally, finally enter main sewer, be then withdrawn into pond by water pump.
Experimental example
Preferred embodiment (embodiment 7) is compared with traditional technology, comparing result is as shown in table 1.
Wherein, it is consistent with the spat of embodiment 7 to put quantity in a suitable place to breed for traditional technology.
1 present invention of table is compared with traditional technology
As can be known from the above table, method for culturing seedlings provided by the present application has substantially saved nursery pond land occupation face compared with traditional technology
Product, improves space utilization rate；The working time for significantly reducing single agitation, improve labor efficiency；Additionally shorten
Seedling-growing time improves emergence rate, has technical characteristic outstanding and significant technical effect.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that in the following claims
Including belonging to all such changes and modifications in the scope of the invention.
Claims (6)
1. a kind of method for culturing seedlings for preventing spat from accumulating characterized by comprising
Spat is cultivated in nursery box, from the nursery box bottom ventilation and utilizes the impulse force of air draught by nursery box
The spat of bottom accumulation is sufficiently lifted to the stopping ventilation afterwards at the middle and upper levels of water, so that spat sinks simultaneously again under gravity
It is uniformly distributed in the nursery box bottom；
The device of the air draught is provided are as follows: it is connected with the tracheae of air pressure pump or air blower, when being ventilated, the gas
One end of pipe is contacted with nursery box bottom；
The air pressure pump or air blower are Portable compressed pump or air blower；The tracheae is hard tracheae, the tracheae
On be additionally provided with gas flow rate regulating device and handle；Rake subdivision pipe structure is provided in the opening of the tracheae；
The nursery box is arranged under the overlay by bracket layering；Passageway is provided between the two neighboring bracket.
2. the method for culturing seedlings for preventing spat from accumulating as described in claim 1, it is characterised in that:
The air pressure pump or air blower are battery powered compression pump or air blower.
3. the method for culturing seedlings for preventing spat from accumulating as described in claim 1, which is characterized in that a length of the 55 of the nursery box~
65cm, width are 35~45cm, and depth is 12~18cm.
4. the method for culturing seedlings for preventing spat from accumulating as described in claim 1, which is characterized in that the nursery box further includes into water
Mouth and water outlet；Water for larval nursing is flowed by the water inlet, and the water outlet by water inlet opposite side one side is arranged in is discharged.
5. the method for culturing seedlings for preventing spat from accumulating as claimed in claim 4, which is characterized in that when carrying out aeration, close
Close the water inlet and the water outlet.
6. the method for culturing seedlings for preventing spat from accumulating as claimed in claim 4, which is characterized in that cultivating in the water for larval nursing has
The preponderant algae edible suitable for the spat simultaneously filters, after aeration oxygen replenishing by precipitating, inputs nursery workshop by water inlet manifold, then
Branch is input in each nursery box by each water inlet.
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| CN201610310594.5A CN105875457B (en) | 2016-05-11 | 2016-05-11 | A kind of method for culturing seedlings for preventing spat from accumulating |
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| CN201610310594.5A CN105875457B (en) | 2016-05-11 | 2016-05-11 | A kind of method for culturing seedlings for preventing spat from accumulating |
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| CN105875457B true CN105875457B (en) | 2019-09-10 |
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| CN202043534U (en) * | 2010-12-23 | 2011-11-23 | 上海海洋大学 | Combined young hyriopsis cumingii breeding device |
| CN102657126A (en) * | 2012-05-25 | 2012-09-12 | 山东安源水产股份有限公司 | Method and cage for indoor geoduck culture |
| CN104823896A (en) * | 2015-06-05 | 2015-08-12 | 威海市文登区水产技术推广站 | Method for improving argopecten irradians juvenile mollusk settlement uniformity |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0934697A1 (en) * | 1997-12-09 | 1999-08-11 | Navital S.a.r.l. | A method for the cultivation, conditioning and storage of shell fish independently of the season and an installation for operating of this method |
| CN1561705A (en) * | 2004-03-14 | 2005-01-12 | 中国水产科学研究院黄海水产研究所 | High density cultivating device and cultivating method for bivalve juvenile mollusk |
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| CN1799348A (en) * | 2005-12-26 | 2006-07-12 | 浙江省海洋水产养殖研究所 | Seashell seedling medium culture device |
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| CN202043534U (en) * | 2010-12-23 | 2011-11-23 | 上海海洋大学 | Combined young hyriopsis cumingii breeding device |
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