CN104026044B - A kind of fish viscid egg aeration type cloth ovum method - Google Patents
A kind of fish viscid egg aeration type cloth ovum method Download PDFInfo
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- CN104026044B CN104026044B CN201410039136.3A CN201410039136A CN104026044B CN 104026044 B CN104026044 B CN 104026044B CN 201410039136 A CN201410039136 A CN 201410039136A CN 104026044 B CN104026044 B CN 104026044B
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- egg
- tracheae
- cloth
- viscid
- hatching
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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
A kind of fish viscid egg aeration type cloth ovum method, comprising: 3 D elastic filler ovum bed and be laid in viscid egg cloth egg apparatus, fertilized egg being evenly distributed on 3 D elastic filler on ovum bed, make the bond strength of fertilized egg higher than the fertilized egg of natural spawning, difficult drop-off, be more conducive to hatching, in trickle hatching process, aerosol type trickle mode has ensured sufficient oxygen and has been convenient to the eliminating of carbonic acid gas, water cleaning, greatly reduce the generation of saprolegniasis, culture density per unit water body can reach every cubic metre of 470,000 tails, average percentage hatch rate can reach 94.54%, not only be suitable for extensive centralized production in enormous quantities, also can carry out continuous multiple batches of production, there is process simple, easy to operate, advantage safely and efficiently.
Description
Technical field
The present invention relates to hatch fish roe field, particularly relate to a kind of fish viscid egg aeration type cloth ovum method.
Background technology
At present, fish culture is hatched, the hatching pattern that general employing is traditional, namely carry out induced spawning in outdoor, natural spawning is on palm sheet, and circuit is hatched, this hatching pattern by external source and climatic effect large, once weather occurs abnormal, as cold current etc., the activity of laying eggs of parent population, incubation rate and survival rate of seedling can be had a strong impact on.The maximum shortcoming of this fry hatching mode is that the fish-egg density of natural spawning on palm sheet is low, and single pond fish seedling yields poorly, and in a planned way carrying out the very large restriction of commercialization nursery generation, becomes the key link that restriction fry produces.
For solving the problem, the invention provides a kind of fish viscid egg aeration type cloth ovum method, ovum mode and trickle hatching pattern by fish-egg being distributed in 3 D elastic filler, ensure sufficient oxygen and be convenient to the eliminating of carbonic acid gas, water cleaning, greatly reduce the generation of saprolegniasis, greatly improve the hatching output of single pond fish seedling, improve production capacity.
Summary of the invention
The object of this invention is to provide a kind of fish viscid egg aeration type cloth ovum method, ovum mode and trickle hatching pattern by fish-egg being distributed in 3 D elastic filler, ensure sufficient oxygen and be convenient to the eliminating of carbonic acid gas, water cleaning, greatly reduce the generation of saprolegniasis, greatly improve the hatching output of single pond fish seedling, improve production capacity.
A kind of fish viscid egg aeration type cloth ovum method, comprising:
3 D elastic filler ovum bed is laid in viscid egg cloth egg apparatus;
Fertilized egg is evenly distributed on 3 D elastic filler on ovum bed.
Wherein, have clear water in described viscid egg cloth egg apparatus, the depth of water is 40cm to 50cm, and described 3 D elastic filler ovum berth in underwater 10cm to 20cm.
Wherein, tracheae is covered with bottom described viscid egg cloth egg apparatus, tracheae has equally distributed pore, described tracheae comprises the first tracheae of at least one circle being centered around viscid egg cloth egg apparatus inwall and is positioned at least twice second tracheae of viscid egg cloth egg apparatus bottom even arrangement.
Have outside viscid egg cloth egg apparatus for the air pump to described tracheal strips air feed, for controlling the first switch of described first tracheae, for controlling the second switch of described second tracheae; The unlatching of the first tracheae described in described first switch control rule, the size of closedown and air-flow, described second switch controls the unlatching of described second tracheae, the size of closedown and air-flow.
Further, describedly fertilized egg is evenly distributed on described 3 D elastic filler and on ovum bed and comprise:
Open air pump, the first switch and second switch, make the first tracheae and the second tracheae outwards jet by pore;
Control to make the jet amount of the first tracheae be greater than the jet amount of the second tracheae by the first switch and second switch;
The inner side of the jet wall at viscid egg cloth egg apparatus of described first tracheae forms one gas wall, prevents fertilized egg from sticking on the wall of viscid egg cloth egg apparatus;
The jet of described second tracheae makes the water in viscid egg cloth egg apparatus form convection current;
Fertilized egg spread in the water of viscid egg cloth egg apparatus, fertilized egg is broken up by the current of convection current, is evenly distributed in described 3 D elastic filler and on ovum bed.
Wherein, described first tracheae is three circles or four circles; The spacing of described second tracheae is 5cm.
Wherein, described 3 D elastic filler the surface area/volume ratio of ovum bed is 210m
2/ m
3.
Further, fertilized egg at 3 D elastic filler and ovum bed is cohered firmly, takes out 3 D elastic filler and ovum bed, and hangs on stainless steel frame and be combined into portable hatching module, pushes trickle hatching workshop and carries out trickle hatching.
Further, described hatching comprises:
In trickle workshop, open trickle hatching shower nozzle spray vaporific water;
Between the incubation period, uninterrupted spray keeps the moistening of fertilized egg, and keeps dissolved oxygen amount at more than 7mg/1;
There is eyespot to fertilized egg, move to hatchery hatching.
Wherein, hatching water temperature is 20 DEG C to 25 DEG C, and brooding time is 36 little of 72 hours.
The invention provides a kind of fish viscid egg aeration type cloth ovum method, make the bond strength of fertilized egg higher than the fertilized egg of natural spawning, difficult drop-off, be more conducive to hatching, in trickle hatching process, aerosol type trickle mode has ensured sufficient oxygen and has been convenient to the eliminating of carbonic acid gas, water cleaning, greatly reduce the generation of saprolegniasis, culture density per unit water body can reach every cubic metre of 470,000 tails, average fertilization rate can reach 94.54%, the design of cloth egg apparatus, ovum is uniformly distributed, nearly 9,000 ten thousand tails of secondary maximum nursery amount by the gross, not only be suitable for extensive centralized production in enormous quantities, also can carry out continuous multiple batches of production, there is process simple, easy to operate, advantage safely and efficiently.
Accompanying drawing explanation
Fig. 1 is the handling process schematic diagram of a kind of fish viscid egg aeration type cloth ovum method of the present invention;
Fig. 2 is the vertical view of viscid egg cloth egg apparatus of the present invention;
Fig. 3 is the front view of viscid egg cloth egg apparatus of the present invention;
Fig. 4 is the front view that 3 D elastic filler of the present invention ovum bed;
Fig. 5 is front view and the vertical view of movable type hatching module of the present invention;
Fertilized egg is of the present inventionly evenly distributed on described 3 D elastic filler and handling process schematic diagram on ovum bed by Fig. 6;
Fig. 7 is the handling process schematic diagram of trickle of the present invention hatching.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Fig. 1 is the handling process schematic diagram of a kind of fish viscid egg aeration type cloth ovum method of the present invention.
A kind of fish viscid egg aeration type cloth ovum method as shown in Figure 1 specifically comprises:
Step S1, ovum bed and is laid in viscid egg cloth egg apparatus by 3 D elastic filler.
Step S2, is evenly distributed on 3 D elastic filler and on ovum bed by fertilized egg.
Fig. 2 is the vertical view of viscid egg cloth egg apparatus of the present invention.
Fig. 3 is the front view of viscid egg cloth egg apparatus of the present invention.
As Fig. 2, shown in Fig. 3, viscid egg cloth egg apparatus is placed over the mount 10, bottom is covered with tracheae, described tracheae has equally distributed pore, and described tracheae comprises multiple tracks second tracheae 3 that three circle first tracheaes 2 being centered around viscid egg cloth egg apparatus inwall 1 surrounding and the spacing being positioned at the arrangement of viscid egg cloth egg apparatus bottom even are 5cm.
Have outside viscid egg cloth egg apparatus for the air pump 4 to described tracheal strips air feed, for controlling the unlatching of described first tracheae, the first switch 5 of the size of closedown and air-flow, for controlling the unlatching of described second tracheae, the second switch 6 of the size of closedown and air-flow.
Open air pump 6, after first switch and second switch, it is outwards jet that first tracheae and the second tracheae pass through pore, the jet amount of the first tracheae is made to be greater than the jet amount of the second tracheae by the control of the first switch and second switch, and the inner side of the jet wall at viscid egg cloth egg apparatus of the first tracheae forms one gas wall, prevent fertilized egg from sticking on the wall of viscid egg cloth egg apparatus, the jet of described second tracheae makes the water in viscid egg cloth egg apparatus form convection current, after in the water that fertilized egg spreads viscid egg cloth egg apparatus, fertilized egg is broken up by the current of convection current, be evenly distributed in described 3 D elastic filler on ovum bed.
When fertilized egg puts into constant weight, such as when 500g to 1500g, the mucus on fertilized egg can be covered with in water in viscid egg cloth egg apparatus, on the ovum bed that causes fertilized egg to adhere to, now by the discharge outlet 9 bottom viscid egg cloth egg apparatus, water is drained, and then the switch 8 of the water pipe 7 opening viscid egg cloth egg apparatus outside refills clear water in viscid egg cloth egg apparatus, and then carry out cloth ovum, and repeat this process until cloth ovum terminates.
Fig. 4 is the front view that 3 D elastic filler of the present invention ovum bed.
Fig. 5 is front view and the vertical view of movable type hatching module of the present invention.
As shown in Figure 4, Figure 5,3 D elastic filler ovum bed and is comprised the fish nest 401 be made up of hairbrush, and surface area/volume ratio is 210m
2/ m, the size that 3 D elastic filler ovum bed matches with viscid egg cloth egg apparatus.3 D elastic filler ovum bed and is hung over the movable type hatching module bottom that stainless steel frame is combined into and have universal wheel 501, for promoting portable hatching module.
Fertilized egg is of the present inventionly evenly distributed on described 3 D elastic filler and handling process schematic diagram on ovum bed by Fig. 6.
As shown in Figure 6, fertilized egg is evenly distributed on described 3 D elastic filler on ovum bed and specifically comprise:
Step S601, open air pump, the first switch and second switch, make the first tracheae and the second tracheae outwards jet by pore.
Step S602, controls to make the jet amount of the first tracheae be greater than the jet amount of the second tracheae by the first switch and second switch.
Step S603, the inner side of the jet wall at viscid egg cloth egg apparatus of described first tracheae forms one gas wall, prevents fertilized egg from sticking on the wall of viscid egg cloth egg apparatus.
Step S604, the jet of described second tracheae makes the water in viscid egg cloth egg apparatus form convection current.
Step S605, fertilized egg spread in the water of viscid egg cloth egg apparatus, fertilized egg is broken up by the current of convection current, is evenly distributed in described 3 D elastic filler and on ovum bed.
Fig. 7 is the handling process schematic diagram of trickle of the present invention hatching.
As shown in Figure 7, the handling process of trickle hatching specifically comprises:
Step S701, opens trickle hatching shower nozzle and sprays vaporific water in trickle workshop.
Step S702, between the incubation period, uninterrupted spray keeps the moistening of fertilized egg, and keeps dissolved oxygen amount at more than 7mg/1.
The moistening of fertilized egg can be ensured like this, make fertilized egg can normal incubation, can prevent again because fertilized egg is immersed in water and is covered by the foreign material in water the hypoxia death caused; The generation of saprolegniasis can be avoided simultaneously.
, there is eyespot to fertilized egg in step S703, moves to hatchery hatching.
Wherein, the vaporific hatching coolant-temperature gage of ejection is 20 DEG C to 25 DEG C, and brooding time is 36 little of 72 hours.When water temperature is 25 DEG C, general 36 hours can there is eyespot in fertilized egg, and when water temperature is 20 DEG C, within general 72 hours, fertilized egg can occur eyespot, and when water temperature is 23 DEG C, within general 48 hours, fertilized egg can occur eyespot.
By the fertilized egg always behind hatchery occurring eyespot, take out 3 D elastic filler and ovum bed and it carried out in service sink immersion and rinsing to eliminate mucus.
The present invention is intended to protect a kind of fish viscid egg aeration type cloth ovum method; make the bond strength of fertilized egg higher than the fertilized egg of natural spawning; difficult drop-off; be more conducive to hatching; culture density per unit water body can reach every cubic metre of 470,000 tails; average fertilization rate can reach 94.54%, survival rate of seedling reaches more than 80%; nearly 9,000 ten thousand tails of secondary maximum nursery amount by the gross; not only be suitable for extensive centralized production in enormous quantities; also can carry out continuous multiple batches of production; there is process simple, easy to operate, safely and efficiently advantage.
Should be understood that, above-mentioned embodiment of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (7)
1. a fish viscid egg aeration type cloth ovum method, comprising:
3 D elastic filler ovum bed is laid in viscid egg cloth egg apparatus;
Open air pump, the first switch and second switch, make the first tracheae and the second tracheae outwards jet by pore;
Control to make the jet amount of the first tracheae be greater than the jet amount of the second tracheae by the first switch and second switch;
The inner side of the jet wall at viscid egg cloth egg apparatus of described first tracheae forms one gas wall, prevents fertilized egg from sticking on the wall of viscid egg cloth egg apparatus;
The jet of described second tracheae makes the water in viscid egg cloth egg apparatus form convection current;
Fertilized egg spread in the water of viscid egg cloth egg apparatus, fertilized egg is broken up by the current of convection current, is evenly distributed in described 3 D elastic filler and on ovum bed;
Wherein, described 3 D elastic filler ovum bed and is comprised the fish nest be made up of hairbrush;
Tracheae is covered with bottom described viscid egg cloth egg apparatus, tracheae there is equally distributed pore, described tracheae comprises the first tracheae of at least one circle being centered around viscid egg cloth egg apparatus inwall and is positioned at least twice second tracheae of viscid egg cloth egg apparatus bottom even arrangement, have outside viscid egg cloth egg apparatus for the air pump to described tracheal strips air feed, for controlling the first switch of described first tracheae, for controlling the second switch of described second tracheae; The unlatching of the first tracheae described in described first switch control rule, the size of closedown and air-flow, described second switch controls the unlatching of described second tracheae, the size of closedown and air-flow.
2. method according to claim 1, is characterized in that, have clear water in described viscid egg cloth egg apparatus, the depth of water is 40cm to 50cm, and described 3 D elastic filler ovum berth in underwater 10cm to 20cm.
3. method according to claim 1, is characterized in that, described first tracheae is three circles or four circles; The spacing of described second tracheae is 5cm.
4. method according to claim 1 and 2, is characterized in that, the surface area/volume ratio that described 3 D elastic filler ovum bed is 210m
2/ m
3.
5. method according to claim 1 and 2, it is characterized in that, fertilized egg on ovum bed at 3 D elastic filler and is cohered firmly, takes out 3 D elastic filler and ovum bed, and hang over and stainless steel frame is combined into portable hatching module, push trickle hatching workshop and carry out trickle hatching.
6. method according to claim 5, is characterized in that, described hatching comprises:
In trickle workshop, open trickle hatching shower nozzle spray vaporific water;
Between the incubation period, uninterrupted spray keeps the moistening of fertilized egg, and keeps dissolved oxygen amount at more than 7mg/l;
There is eyespot to fertilized egg, move to hatchery hatching.
7. method according to claim 6, is characterized in that, hatching water temperature is 20 DEG C to 25 DEG C, and brooding time is 36 little of 72 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039136.3A CN104026044B (en) | 2014-01-27 | 2014-01-27 | A kind of fish viscid egg aeration type cloth ovum method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039136.3A CN104026044B (en) | 2014-01-27 | 2014-01-27 | A kind of fish viscid egg aeration type cloth ovum method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104026044A CN104026044A (en) | 2014-09-10 |
| CN104026044B true CN104026044B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410039136.3A Expired - Fee Related CN104026044B (en) | 2014-01-27 | 2014-01-27 | A kind of fish viscid egg aeration type cloth ovum method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114009378B (en) * | 2021-12-07 | 2023-03-28 | 张利英 | Fry breeding method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593112A (en) * | 2004-07-12 | 2005-03-16 | 天津农学院 | Glutinous egg and fry hatching method |
| CN101720696A (en) * | 2009-12-09 | 2010-06-09 | 湖南师范大学 | Hatching device of adhesive eggs |
| CN202222278U (en) * | 2011-09-22 | 2012-05-23 | 魏波 | Flashy flow type device for hatching salmons and trouts |
-
2014
- 2014-01-27 CN CN201410039136.3A patent/CN104026044B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593112A (en) * | 2004-07-12 | 2005-03-16 | 天津农学院 | Glutinous egg and fry hatching method |
| CN101720696A (en) * | 2009-12-09 | 2010-06-09 | 湖南师范大学 | Hatching device of adhesive eggs |
| CN202222278U (en) * | 2011-09-22 | 2012-05-23 | 魏波 | Flashy flow type device for hatching salmons and trouts |
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| CN104026044A (en) | 2014-09-10 |
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Granted publication date: 20160224 Termination date: 20200127 |