CN103583426A - Sinking roe incubator - Google Patents
Sinking roe incubator Download PDFInfo
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- CN103583426A CN103583426A CN201310542925.4A CN201310542925A CN103583426A CN 103583426 A CN103583426 A CN 103583426A CN 201310542925 A CN201310542925 A CN 201310542925A CN 103583426 A CN103583426 A CN 103583426A
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- incubator
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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 provides a sinking roe incubator which comprises a filtering tank (1), an aeration tank (2) and an incubator body (3). The bottom of the filtering tank (1) and the bottom of the aeration tank (2) are provided with communication ports (4), and the upper portion of the aeration tank (2) is connected with the incubator body (3) through a communication pipe (5). The filtering tank (1) is internally provided with filtering cotton, and the aeration tank (2) is internally provided with an aeration device (21) and a temperature control device (22). The sinking roe incubator is simple in structure and convenient to use. High-quality and stable incubating water is obtained in a filtering, aeration and water temperature control mode, a mini-flow bottom water inlet mode is adopted in the incubator body, roe is always in a slow suspended state, roe can be automatic layered through the buoyancy force, meanwhile, dead roe floating on the upper layer can be discharged, water mildew infection is avoided, and the incubating rate can be greatly improved.
Description
Technical field
The invention belongs to aquaculture field, particularly a kind of heavy property fish hatcher, relates in particular to a kind of for the fragile frangible heavy property fish hatcher of egg membrane.
Background technology
The Changjiang river hilsa herring being described as first of the three delicacies of the Changjiang river is endangered, as its substitute, originate in the coastal and western Colombia in eastern united states and U.S. hilsa herring in 2003, introduce for the first time the aquaculture industry that Chinese ，Bing China 12Ge provinces and cities take on a certain scale.Because hilsa herring fertilized egg has special membrane structure, the egg membrane of its very thin fragility is very easily subject to the infringement of water mo(u)ld, and water quality mutation can cause embryo's anamorphosis.If adopt traditional hatching m, if there is no medical treatment measure, incubation rate is usually less than below 5%.For example, import hilsa herring fertilized egg in transit and between the incubation period, at least need to use 5 above malachite greens to control water mo(u)ld, otherwise No kernels or seeds are gathered, as in a year of scarcity.The improvement of hatching m and facility has become one of important measures of hilsa herring industrialized development.
Hilsa herring fertilized egg is demersal egg; In China, the fertilized egg of most of cultured fishes all belongs to demersal egg.The sixties in last century, Chinese scholar has been invented the loop-type hatching facility that is suitable for demersal egg hatching, remains at present the most frequently used facility in domestic aquatic fry growing field.In circular circuit hatching system, bottom arranges numerous shower nozzles, by water pump by the clear water in outdoor sedimentation basin from circuit bottom water injection, form recoil strength from bottom to top, keep fertilized egg to be suspended in hatching facility, hatch.
Yet, existing loop-type is hatched a lot of defects that have of facility, be mainly that floor space is large, water consumption is many, outdoor sedimentation basin lacks that professional water processing establishment water quality is difficult to guarantee, water temperature changes with Changes in weather, therefore very easily cause dysontogenesis or deformity lethal, hatching effect, efficiency are unstable; Because circular hatching channal current are too urgent, fertilized egg is very easily injured, also easy initiation water mo(u)ld infringement simultaneously, and therefore, the method that dependence medicine suppresses water mold becomes one of most important measure of raising hatch fish roe rate.Improve demersal egg hatching facility is one of content of China's culture fishery research always.
Chinese patent ZL201110118180.X has introduced comparatively complicated " demersal spawns of marine fishes device and hatching m ", adopts the inflation of cone point to avoid fish-egg deposition; Yet in production practices, inflation tends to injure fish-egg, the method is unsuitable for the fragile frangible fertilized egg of egg membrane, as hilsa herring fertilized egg.
Chinese patent 201220071965 enters Spawning water from pyramid type part bottom, make demersal egg in suspended state, thereby solved, traditional hatching apparatus fertilized egg is overstock so that the problem of anoxic necrosis, but do not relate to the control of water quality and water temperature, do not relate to the method for hatching water circulation water treatment.
Summary of the invention
Goal of the invention: the object of the present invention is to provide a kind of for the fragile frangible heavy property fish hatcher of egg membrane.
Technical scheme: a kind of heavy property fish hatcher provided by the invention, comprise lautertuns, aeration tank and incubator, described lautertuns and aeration tank form high-level water source treatment pond, between lautertuns and aeration tank bottom, are provided with connected entrance, and described aeration tank top is connected by communicating pipe with incubator; In described lautertuns, be provided with filter cotton; In described aeration tank, be provided with aerator and attemperating unit.
As improvement, described aerator is aeration ring, is located at aeration tank bottom.
As another kind, improve, described attemperating unit comprises temperature controller and the heating rod being connected with temperature controller, cooling-water machine, and described heating rod is located in aeration tank, and the outlet pipe of described cooling-water machine is located in aeration tank.
As another kind, improve, also comprise overflow pipe, described overflow pipe is located at aeration tank top, and its water inlet height is greater than the water inlet height of communicating pipe.
As another kind, improve, also comprise valve, described valve was located on communicating pipe.
As another kind, improve, also comprise drainpipe, described drainpipe is located at aeration tank bottom.
As another kind, improve, described incubator is tubulose incubator or cone incubator, and the top of described cone incubator is that cylindrical, bottom is for conical; Tubulose incubator adopts bottom water inlet, and the water inlet of communicating pipe is located at tubulose incubator bottom; Cone incubator adopts recoil water inlet, stretches into communicating pipe in cone incubator, the water inlet of communicating pipe is located at cone incubator bottom.
As further improvement, tubulose incubator bottom is provided with nylon bolting silk cover, top is provided with overflow pipe, prevents that fertilized egg from flowing into water inlet pipe when cutting off the water supply; Cone incubator top is provided with gap.
As further improving, the aperture of described nylon bolting silk cover is 50-100 order.
Beneficial effect: heavy property fish hatcher provided by the invention, simple in structure, easy to use, first by filtration, aeration and water temperature, control, obtain high-quality and stable Spawning water, then at incubator, adopt miniflow bottom water intake mode, make fish-egg be in all the time suspended state slowly, according to buoyancy size AUTOMATIC ZONING, can make the dead ovum that floats over upper strata be discharged from, avoid water mold infection, can greatly improve incubation rate simultaneously; Be particularly useful for tender and lovely, the easily damaged hilsa herring incubating oosperm of egg membrane.
Particularly, the present invention, with respect to prior art, has following outstanding advantage:
(1) the present invention adopts lautertuns and aeration tank to form high-level water source treatment pond, and simplicity of design is practical, can guarantee good and stable water quality.In hatch fish roe process, good water quality, stable temperature and water source are the keys of hatching success or failure.The present invention removes the impurity in water source by filtration, guarantees that water quality is pure and fresh; Through aeration, make the Spawning water dissolved oxygen value of reaching capacity again; Meanwhile, by temperature control device, guarantee that the water temperature between the incubation period is constant; In addition, overflow pipe is guaranteed hydraulic pressure and the inflow that whole system is constant.
(2) incubator of the present invention can adopt tubulose incubator and cone incubator; Tubulose incubator has excellent minute ovum effect, is suitable for early stage hatching or small lot hatching; Cylindrical vertical hatching pipe provides longer suspension path for fertilized egg, make fish-egg have sufficient space to establish its gravitational equilibrium point, thereby form interface clearly between dead ovum and healthy ovum, the two is separated, reach best separating effect, be applicable to hatch fish roe in enormous quantities.At the hatching initial stage, adopt tubulose incubator to divide ovum, then the high-quality ovum of separator well is proceeded to the hatching of cone incubator, can obtain optimum efficiency.In addition, also can be marked with scale at incubator, implement the omnidistance quantitative determination of hatching, be convenient to scientifically manage hatching and produce.Saprolegniasis is the maximum harm of hatch fish roe, and water mo(u)ld mainly encroaches on the ovum of dead ovum or damaged, unique minute ovum Techniques For Reducing that the present invention adopts the risk that infects of water mo(u)ld; In this hatching system, be suspended in the fish-egg layering gradually in water, dead ovum can float over the superiors of fish-egg, by siphon method constantly checkmate ovum or dead embryo's sucking-off between the incubation period, in hatching process, constantly unsound fish-egg is removed in time, thereby got rid of the potential hazard of water mold; And prevent that further water mo(u)ld from spreading unchecked formation water mold-dead ovum group's infringement or wrapping up other healthy fish embryos; Between the whole incubation period, without using any medicine, reach the food safety production standard between the incubation period.
(3) device of the present invention is the not only using water wisely of miniflow water inlet technology, and can not form injury to fish-egg.Tradition loop-type hatching m needs larger water impact, and requiring water body exchange rate is 15 minutes/time, and it is 85 minutes/time that the art of this patent is surveyed average water body exchange rate, and microfluidic technology has greatly reduced water consumption; The more important thing is, adopt the mode of special miniflow bottom water inlet, the flowing water slowly making progress, can not injure fish-egg and embryo thereof, has guaranteed higher incubation rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the heavy property fish hatcher of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is made and being further illustrated.
Heavy property fish hatcher, is shown in Fig. 1, comprises lautertuns 1, aeration tank 2 and incubator 3, forms high-level water source treatment pond, between lautertuns 1 and aeration tank 2 bottoms, is provided with connected entrance 4, and aeration tank 2 tops are connected by communicating pipe 5 with incubator 3.
Lautertuns 1, aeration tank 2 form high-level water source treatment pond, and it can adopt the materials such as cement, PPR or fiberglass to make
In lautertuns 1, be provided with filter cotton.
In aeration tank 2, be provided with aerator 21 and attemperating unit 22; Aerator 21 is aeration ring, is located at aeration tank 2 bottoms; Attemperating unit 22 comprises temperature controller 23 and the heating rod 24 being connected with temperature controller 23, cooling-water machine 25, and heating rod 24 is located in aeration tank 2, and the outlet pipe of cooling-water machine 25 is located in aeration tank 2.Aeration tank 2 tops are provided with overflow pipe 26, and its water inlet height is greater than the water inlet height of communicating pipe 5.Aeration tank 2 bottoms are provided with drainpipe 27.
Incubator 3 is tubulose incubator 31 or cone incubator 32, and the top of cone incubator 32 is that cylindrical, bottom is for conical.Tubulose incubator 31 adopts bottom water inlet, the water inlet that is communicating pipe 5 is located at tubulose incubator 31 bottoms, tubulose incubator 31 bottoms are provided with nylon bolting silk cover 33, top is provided with overflow pipe 34, the aperture of nylon bolting silk cover 33 is 60 orders, its aperture also can rationally arrange as required alternatively, preferably 50-100 order.Cone incubator 32 adopts recoil water inlet, stretches into cone incubator 32 water inlet interior, communicating pipe 5 communicating pipe 5 and is located at cone incubator 32 bottoms, and cone incubator 32 tops are provided with gap 35.
Communicating pipe 5 is provided with valve 51.
The operation principle of this device: the well water that reaches drinking water standard is passed in lautertuns 1, filter and enter aeration tank 2 by connected entrance 4, aeration aerating under the effect of aerator 21, and be adjusted to preference temperature under the effect of attemperating unit 22; By entering communicating pipe 5 in incubator 3; In tubulose incubator 31, adopt bottom water inlet, when water flows into from bottom to top, wash gently the fish-egg of sinking open, can prevent fish-egg deposition, unnecessary water is flowed out by overflow pipe 34; In cone incubator 32, adopt recoil water inlet, when water flows into cone incubator 32 bottoms, recoil strength is washed the fish-egg of sinking gently open, and unnecessary water is flowed out by gap 35; In hatching process, owing to adopting miniflow water inlet, fertilized egg can be according to the layering gradually of buoyancy size, and normal fertilized egg proportion is larger, the below in ovum layer; Hypogenetic fertilized egg buoyancy is large, just floats over the upper strata of fish-egg; Due to the transparent characteristic of hatching pail, the dead ovum that floats over upper strata is high-visible, can adopt the method for siphon, and the ovum sucking-off of constantly checkmating, to avoid water mo(u)ld to grow.
More specifically, the present invention adopts, and respectively to install specification as follows:
The specification of lautertuns 1 is 50M
2, 2 meters of the depth of waters, aeration tank 250M
2, 2 meters of the depth of waters; Alternatively, its specification and the depth of water can be selected arbitrarily, and preferably the specification of lautertuns 1 and aeration tank 2 all can be 1～100M
2, the depth of water all can be 0.5～3 meter.
The water inlet height of 26 water inlet aspect ratio communicating pipes 5 of overflow pipe is high 0.5 meter, and preferably the high 0.5～2M of water inlet height of 26 water inlet aspect ratio communicating pipes 5 of overflow pipe all can.
Every 2-10 days cleaning and filtering grooves 1 and aeration tank 2.
The specification of cone incubator 32 can be selected arbitrarily, and preferably volume is 0.1～1.0M
2, diameter is 0.2～0.5M, is highly 0.2～1.0M.In the present invention, the volume of cone incubator 32 is 0.2M
2, water exchange capacity is controlled at 30～100 minutes/time, and water temperature is controlled at 14～22 ℃, removes dead ovum every day 3～10 times; Emerging early stage, suitably increase current, collect newly hatched larvae, then move on to nursery pond and cultivate; Can hatch 100～1,000 ten thousand hilsa herring fertilized eggs.
The specification of tubulose incubator 31 can be selected arbitrarily, and preferably volume is 0.001～0.05M
2, diameter is 5.0～20cm, is highly 0.5～1.5M.In the present invention, the volume of tubulose incubator 31 is 0.01M
2, water exchange capacity is controlled at 20～100 minutes/time, and water temperature is controlled at 14～22 ℃, removes dead ovum every day 3～10 times; Emerging early stage, suitably increase current, collect newly hatched larvae, then move on to nursery pond and cultivate; Can hatch 10～500,000 hilsa herring fertilized eggs.
Claims (9)
1. a heavy property fish hatcher, it is characterized in that: comprise lautertuns (1), aeration tank (2) and incubator (3), described lautertuns (1) and aeration tank (2) form high-level water source treatment pond, between lautertuns (1) and aeration tank (2) bottom, be provided with connected entrance (4), described aeration tank (2) top is connected by communicating pipe (5) with incubator (3); Described lautertuns is provided with filter cotton in (1); In described aeration tank (2), be provided with aerator (21) and attemperating unit (22).
2. a kind of heavy property fish hatcher claimed in claim 1, is characterized in that: described aerator (21) is aeration ring, is located at aeration tank (2) bottom.
3. a kind of heavy property fish hatcher claimed in claim 1, it is characterized in that: described attemperating unit (22) comprises temperature controller (23) and the heating rod (24) being connected with temperature controller (23), cooling-water machine (25), described heating rod (24) is located in aeration tank (2), and the outlet pipe of described cooling-water machine (25) is located in aeration tank (2).
4. a kind of heavy property fish hatcher claimed in claim 1, is characterized in that: also comprise overflow pipe (26), described overflow pipe (26) is located at aeration tank (2) top, and its water inlet height is greater than the water inlet height of communicating pipe (5).
5. a kind of heavy property fish hatcher claimed in claim 1, is characterized in that: also comprise valve (51), described valve (51) was located on communicating pipe (5).
6. a kind of heavy property fish hatcher claimed in claim 1, is characterized in that: also comprise drainpipe (27), described drainpipe (27) is located at aeration tank (2) bottom.
7. a kind of heavy property fish hatcher claimed in claim 1, is characterized in that: described incubator (3) is tubulose incubator (31) or cone incubator (32), and the top of described cone incubator (32) is that cylindrical, bottom is for conical; Tubulose incubator (31) adopts bottom water inlet, and cone incubator (32) adopts recoil water inlet.
8. a kind of heavy property fish hatcher claimed in claim 7, is characterized in that: tubulose incubator (31) bottom is provided with nylon bolting silk cover (33), top is provided with overflow pipe (34); Cone incubator (32) top is provided with gap (35).
9. a kind of heavy property fish hatcher claimed in claim 7, is characterized in that: the aperture of described nylon bolting silk cover (33) is 50-100 order.
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| CN201310542925.4A CN103583426B (en) | 2013-11-05 | 2013-11-05 | A kind of heavy property fish hatcher |
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| CN201310542925.4A CN103583426B (en) | 2013-11-05 | 2013-11-05 | A kind of heavy property fish hatcher |
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| CN103583426B CN103583426B (en) | 2016-04-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782941A (en) * | 2014-02-26 | 2014-05-14 | 浙江海洋学院 | Demersal fish egg incubator |
| CN107182868A (en) * | 2017-06-09 | 2017-09-22 | 镇江江之源渔业科技有限公司 | A kind of easy fugu obscurus incubating oosperm device |
| CN108719150A (en) * | 2018-05-29 | 2018-11-02 | 福州大学 | A kind of pneumatic type receipts ovum, hatching, filtering all-in-one machine being suitable for bright and beautiful Medaka |
| CN112314485A (en) * | 2020-12-01 | 2021-02-05 | 李明磊 | Fertilized fish egg hatching equipment |
| CN113519418A (en) * | 2021-08-16 | 2021-10-22 | 华中农业大学 | Controllable incubation device of drifting fish egg |
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| CN112314485A (en) * | 2020-12-01 | 2021-02-05 | 李明磊 | Fertilized fish egg hatching equipment |
| CN112314485B (en) * | 2020-12-01 | 2022-03-29 | 长沙市望城区合池农业发展有限公司 | Fertilized fish egg hatching equipment |
| CN113519418A (en) * | 2021-08-16 | 2021-10-22 | 华中农业大学 | Controllable incubation device of drifting fish egg |
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| CN103583426B (en) | 2016-04-06 |
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Effective date of registration: 20191217 Address after: Yangchenghu Zhen Xiao Jing Cun, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: SUZHOU FISHSEEDS BIOLOGICAL TECHNOLOGY CO., LTD. Address before: 215138 Xiangcheng national modern agricultural demonstration garden, Yangcheng Lake Town, Jiangsu City, Suzhou Province Patentee before: SUZHOU YIKEMAN BIOLOGICAL AGRICULTURE TECHNOLOGY CO., LTD. |
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