CN106982775A - A kind of device and method improved Si Minnow parent population spawning rates - Google Patents
A kind of device and method improved Si Minnow parent population spawning rates Download PDFInfo
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- CN106982775A CN106982775A CN201710413351.9A CN201710413351A CN106982775A CN 106982775 A CN106982775 A CN 106982775A CN 201710413351 A CN201710413351 A CN 201710413351A CN 106982775 A CN106982775 A CN 106982775A
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- water pipe
- container
- water
- parent population
- minnow
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- 241000594009 Phoxinus phoxinus Species 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 232
- 241000251468 Actinopterygii Species 0.000 claims abstract description 19
- 239000003814 drug Substances 0.000 claims abstract description 18
- 229940079593 drug Drugs 0.000 claims abstract description 18
- 230000002196 ecbolic effect Effects 0.000 claims abstract description 18
- 230000007306 turnover Effects 0.000 claims abstract description 10
- 235000013601 eggs Nutrition 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 17
- 238000005273 aeration Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 7
- 230000009027 insemination Effects 0.000 claims description 7
- 238000006213 oxygenation reaction Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000032696 parturition Effects 0.000 description 7
- 230000000638 stimulation Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229940088597 hormone Drugs 0.000 description 2
- 239000005556 hormone Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 241000252210 Cyprinidae Species 0.000 description 1
- 241000252206 Cypriniformes Species 0.000 description 1
- 241001456556 Pseudogobio vaillanti Species 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/003—Aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The present invention relates to fish culture field, purpose is to provide a kind of device and method improved Si Minnow parent population spawning rates, oxygen-increasing device including turnover water circulating pipe, for depositing container and increase dissolved oxygen in water like Minnow parent populations, the oxygen-increasing device is connected with the container, the turnover water circulating pipe is connected with the container, and the inlet and outlet pipe lines are provided with blower pump for pipeline；The circular in cross-section of the container.The beneficial effects of the present invention are：By simulating the streamflow regime of the natural environment Si needed for laying eggs Minnow, accelerating is stimulated in antenatal progress current, oxytocic drug is played normal physiological action, significantly improves maturity and spawning rate Si Minnow parent populations.
Description
Technical field
The present invention relates to fish culture field, more particularly to a kind of device and method improved Si Minnow parent population spawning rates.
Background technology
Si Minnow (Pseudogobio vaillanti), it is under the jurisdiction of Cypriniformes, Cyprinidae, Minnow subfamilies, and belongs to Si Minnow, be commonly called as " fiber crops
Aunt ", " meat is public ", " rod fish ", " tilefiss ", are distributed widely in each waters of south China, are that a kind of small-sized pipelining bottom is dwelt
Economic fish, although build is smaller, but its dressing percentage is high, pierces small between flesh, fine and tender taste, delicious flavour, and the market price is high, demand
Amount is big, with higher Fishery value.Due to overfishing for a long time, the environment bar of environmental pollution and suitable egg reproduction
Part the factor , such as increasingly reduces and drastically declined Si Minnow Natural Populations resource, it is impossible to meet market demand.It is relevant Si Minnow artificial propagations
There is not been reported for technical research, is primarily due to have specific life habit and reproductive biology feature, seed Si Minnow
There is parent population in artificial breeding (parent population refers to that the sexal maturity stage is arrived in development, has the milter or raun of fertility, also cries kind of a fish)
The problem of artificial induced spawning rate is extremely low.
The content of the invention
It is an object of the invention to overcome drawbacks described above, there is provided a kind of device that can be improved Si Minnow parent population spawning rates and side
Method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
The present invention provides a kind of device improved like Minnow parent population spawning rates, including passes in and out water circulating pipe, for depositing seemingly
The container of Minnow parent populations and the oxygen-increasing device for increasing dissolved oxygen in water, the oxygen-increasing device are connected with the container；The horizontal stroke of the container
Section is rounded；
The turnover water circulating pipe includes the first water pipe, the second water pipe, the 3rd water pipe and the 4th water pipe, first water
Pipe, the second water pipe and the 3rd water pipe are connected with the 4th water pipe respectively；The side wall of the container is provided with the first opening, described the
One water pipe passes through the described first opening and the reservoir；The bottom surface of the container is provided with the second opening, the 3rd water pipe
Pass through the described second opening and the reservoir；Second water pipe is located between first water pipe and the 3rd water pipe, institute
State inwall of second water pipe along the container circumferentially disposed；
4th water pipe is provided with blower pump for pipeline, the blower pump for pipeline be located at the first water pipe and the second water pipe it
Between.
The present invention also provides the method improved Si Minnow parent population spawning rates, including the use of above-mentioned raising Si Minnow parent population spawning rates
Device is improved Si Minnow parent population spawning rates, specifically includes following steps：Step 1：Submergence described the is added water into the container
One opening, the water started in blower pump for pipeline operating, container flows through the 4th water pipe going out from the second water pipe again by the first water pipe
The water side of water end (W.E.) and the 3rd water pipe flows into container, and upward annular water flow is formed in container；
Step 2：Start after oxygen-increasing device, the parent population for having injected oxytocic drug is put into the container, reach effect
After time, blower pump for pipeline is closed, parent population is fished for and carries out artificial insemination, wherein, Effect time refers to from injection ocyodinic to parent
This section of interval time of fish heat spawning.
The beneficial effects of the present invention are：By simulating the streamflow regime of the natural environment Si needed for laying eggs Minnow in the present invention,
It is antenatal progress current stimulate accelerating, oxytocic drug is played normal physiological action, significantly improve Si Minnow parent populations into
Ripe degree and spawning rate (Shi bring up to more than 80% Si Minnow parent population spawning rates)；The present invention is simple in construction, easy to operate, passes through turnover
Water circulating pipe and blower pump for pipeline have the advantages that to economize on water, save land, reduce labor intensity, be to realize automatic cycle water
Further further investigation and cultivation Si Minnow provide good basis.
Brief description of the drawings
Fig. 1 is structural representation of the raising of the embodiment of the present invention Si the device of Minnow parent population spawning rates.
Label declaration：
1- containers；2- oxygen-increasing devices；21- inflatable aerators；22- tracheaes；23- micropore aeration pipes；The water pipes of 3- first；4-
Second water pipe；The water pipes of 5- the 3rd；The water pipes of 6- the 4th；7- blower pump for pipeline；
8- flow control valves；9- draining valves；10- fish screens.
Embodiment
To describe the technology contents of the present invention in detail, feature, the objects and the effects being constructed, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is：Antenatal promote is carried out Si Minnow parent populations by the streamflow regime Dui of simulating natural environment
The ripe spawning rate to improve Si Minnow parent populations.
Refer to Fig. 1, a kind of raising like Minnow parent population spawning rates device, including turnover water circulating pipe, for depositing seemingly
The container 1 of Minnow parent populations and the oxygen-increasing device 2 for increasing dissolved oxygen in water, the oxygen-increasing device 2 are connected with the container 1；The container 1
Circular in cross-section；
The turnover water circulating pipe includes the first water pipe 3, the second water pipe 4, the 3rd water pipe 5 and the 4th water pipe 6, described the
One water pipe 3, the second water pipe 4 and the 3rd water pipe 5 are connected with the 4th water pipe 6 respectively；The side wall of the container 1 is opened provided with first
Mouthful, first water pipe 3 is connected by the described first opening with the container 1；The bottom surface of the container 1 is open provided with second,
3rd water pipe 5 is connected by the described second opening with the container 1；Second water pipe 4 be located at first water pipe 3 with
Between 3rd water pipe 5, inwall of second water pipe 4 along the container 1 is circumferentially disposed；
4th water pipe 6 is provided with blower pump for pipeline 7, and the blower pump for pipeline 7 is located at the first water pipe 3 and the second water pipe
Between 4.
The present invention the course of work and principle be：It is generally shallow with torrent in pool due to being torrent small fishes Si Minnow
Unrestrained water beach side spawning between beach, the condition to spawning requires very high, and current are anxious, under existing manual control condition, only pass through
The effect that the method Dui of manual injection's hormone induction is hastened parturition Si Minnow parent populations is poor, lacks effective stimulation by running water, oxytocic drug
It can not be worked by normal physiological routes, there is the low defect of spawning rate；Circle is in the cross section of the container used in the present invention
Shape, is flowed into the water of the 4th water pipe to the 3rd water pipe and the second water pipe, due to the second water pipe edge by blower pump for pipeline by container
The inwall of the container is circumferentially disposed make it that the current and container inner wall that are flowed out from the second water pipe are tangent, forms cross current, the
Second opening outflow of the water from container bottom surface of three water pipes forms longitudinal current, and then reaches natural ring needed for simulation Si Minnow spawnings
The streamflow regime in border, stimulates accelerating in antenatal progress current, oxytocic drug is played normal physiological action, Shi is close Si Minnow
Fish spawning rate brings up to more than 80%, significantly improves Si Minnow parent population spawning rates.
It was found from foregoing description, the beneficial effects of the present invention are：It is natural Si needed for laying eggs Minnow by simulating in the present invention
The streamflow regime of environment, stimulates accelerating in antenatal progress current, oxytocic drug is played normal physiological action, significantly carry
Gao Si Minnow parent population spawning rates brings up to more than 80% Si the maturity and spawning rate (Shi of Minnow parent populations)；The present invention is simple in construction, behaviour
Make easy, by passing in and out water circulating pipe and blower pump for pipeline to realize automatic cycle water, with economizing on water, save land, reduce labor
The advantages of fatigue resistance, Wei that the further further investigation Si Minnow and cultivation provide good basis.
Further, flow control valve 8, the 3rd water pipe are equipped with second water pipe 4 and the 3rd water pipe 5
5 are connected with drainpipe, and the drainpipe is provided with draining valve 9.
Seen from the above description, by setting flow control valve on second and third water pipe come the water-carrying capacity in control container
To reach that effective stimulation, like the stimulation flow of Minnow parent populations, enables oxytocic drug to play normal physiological action.
Further, the water side of the water inlet end of first water pipe 3, the water side of the second water pipe 4 and the 3rd water pipe 5 is equal
Provided with fish screen 10.
Seen from the above description, fish screen is set to prevent parent population from being resulted in blockage into circulating line.
Further, the bottom surface of the container 1 is curved away from the center protrusion of container 1.
Seen from the above description, the floor design of container can avoid the occurrence of current dead angle into above-mentioned arc, make in container
Parent population can obtain sufficient current and stimulate, and then accelerating.
Further, the bottom surface of the container 1 is hemispherical away from the center protrusion of container 1, and second opening is located at
The center of the bottom surface of the container 1.
Seen from the above description, by the floor design of container into hemispherical, and the second opening is arranged on the center of bottom surface
The heart causes the current formation swirl shape that the bottom of the water from container flowed out from the 3rd water pipe sprays and flowed out with the second water pipe, fully
Simulate the torrent under nature so that the parent population in container obtains equivalent stimulation by running water.
Further, the oxygen-increasing device 2 includes inflatable aerator 21, tracheae 22 and micropore aeration pipe 23, described micro-
Hole aeration tube 23 is arranged at the bottom of the container 1, and the inflatable aerator 21 is exposed by the tracheae 22 and the micropore
Tracheae 23 is connected.
Seen from the above description, micropore aeration pipe is layed in the bottom of container, inflatable aerator is by tracheae to micro-
Hole aeration tube conveying oxygen, and then sufficient oxygen is provided to the parent population in container, prevent parent population anoxic from causing difficult labour.
Further, the number of the container 1 is in for axle with the 4th water pipe 6 for the container 1 of more than 2, more than 2
It is circumferentially distributed.
Seen from the above description, setting 2 can separately be hastened parturition male and female parent population with upper container, convenient operation, meanwhile, one
It is secondary further amounts of fish to be hastened parturition.
A kind of above-mentioned raising Si Minnow parent population spawning rates method, including the use of above-mentioned raising Si Minnow parent population spawning rates device
To improve Si Minnow parent population spawning rates, following steps are specifically included：
Step 1：Submergence first opening is added water into the container 1, starts blower pump for pipeline 7 and operates, in container 1
Water flow through the 4th water pipe 6 by the first water pipe 3 and flowed into again from the water side of the second water pipe 4 and the water side of the 3rd water pipe 5 and hold
Device 1, forms upward annular water flow in container 1；
Step 2：Start after oxygen-increasing device 2, the parent population for having injected oxytocic drug is put into the container 1, reach effect
After between seasonable, close blower pump for pipeline 7, fish for parent population and carry out artificial insemination, wherein, Effect time refer to from injection ocyodinic to
This section of interval time of parent population heat spawning.
A kind of above-mentioned raising Si Minnow parent population spawning rates method, including the use of above-mentioned raising Si Minnow parent population spawning rates device
To improve Si Minnow parent population spawning rates, following steps are specifically included：
Step 1：Draining valve is closed, submergence first opening is added water into container 1, is opened respectively on the second water pipe 4
The water pipe 5 of flow control valve 8 and the 3rd on flow control valve 8, start blower pump for pipeline 7 and operate, the water in container 1 passes through the
One water pipe 3 flows through the 4th water pipe 6 and flows into container 1 from the water side of the second water pipe 4 and the water side of the 3rd water pipe 5 again, in container 1
It is interior to form upward annular water flow；
Step 2：The flow control valve 8 on the water pipe 5 of flow control valve 8 and the 3rd on the second water pipe 4 is adjusted, makes container 1
Interior water-carrying capacity reaches 0.04~0.05m3/ min, then starts water oxygenation of the oxygen-increasing device 2 into container 1；
Step 3：The parent population for having injected oxytocic drug is put into the container 1, after Effect time is reached, pipeline is closed
Booster pump 7, fishes for parent population and carries out artificial insemination, wherein, Effect time refer to lay eggs to parent population heat from injection ocyodinic this
Section interval time.
The present invention the course of work and principle be：It is generally shallow with torrent in pool due to being torrent small fishes Si Minnow
Unrestrained water beach side spawning between beach, the condition to spawning requires very high, and current are anxious, under existing manual control condition, only pass through
The effect that the method Dui of manual injection's hormone induction is hastened parturition Si Minnow parent populations is poor, lacks effective stimulation by running water, oxytocic drug
It can not be worked by normal physiological routes, there is the low defect of spawning rate；Circle is in the cross section of the container used in the present invention
Shape, is flowed into the water of the 4th water pipe to the 3rd water pipe and the second water pipe, due to the second water pipe edge by blower pump for pipeline by container
The inwall of the container is circumferentially disposed make it that the current and container inner wall that are flowed out from the second water pipe are tangent, forms cross current, the
Second opening outflow of the water from container bottom surface of three water pipes forms longitudinal current, and then reaches natural ring needed for simulation Si Minnow spawnings
The streamflow regime in border, stimulates accelerating in antenatal progress current, oxytocic drug is played normal physiological action, Shi is close Si Minnow
Fish spawning rate brings up to more than 80%, significantly improves Si Minnow parent population spawning rates.
It was found from foregoing description, the beneficial effects of the present invention are：It is natural Si needed for laying eggs Minnow by simulating in the present invention
The streamflow regime of environment, stimulates accelerating in antenatal progress current, oxytocic drug is played normal physiological action, significantly carry
Gao Si Minnow parent population spawning rates brings up to more than 80% Si the maturity and spawning rate (Shi of Minnow parent populations)；The present invention is simple in construction, behaviour
Make easy, by passing in and out water circulating pipe and blower pump for pipeline to realize automatic cycle water, with economizing on water, save land, reduce labor
The advantages of fatigue resistance, Wei that the further further investigation Si Minnow and cultivation provide good basis.
Embodiment 1
Refer to Fig. 1, a kind of raising like Minnow parent population spawning rates device, including turnover water circulating pipe, for depositing seemingly
The container 1 of Minnow parent populations and the oxygen-increasing device 2 for increasing dissolved oxygen in water, the oxygen-increasing device 2 are connected with the container 1；The container 1
Circular in cross-section；
The turnover water circulating pipe includes the first water pipe 3, the second water pipe 4, the 3rd water pipe 5 and the 4th water pipe 6, described the
One water pipe 3, the second water pipe 4 and the 3rd water pipe 5 are connected with the 4th water pipe 6 respectively；The side wall of the container 1 is opened provided with first
Mouthful, first water pipe 3 is connected by the described first opening with the container 1；The bottom surface of the container 1 is open provided with second,
3rd water pipe 5 is connected by the described second opening with the container 1；Second water pipe 4 be located at first water pipe 3 with
Between 3rd water pipe 5, inwall of second water pipe 4 along the container 1 is circumferentially disposed；
4th water pipe 6 is provided with blower pump for pipeline 7, and the blower pump for pipeline 7 is located at the first water pipe 3 and the second water pipe
Between 4.
The oxygen-increasing device 2 includes inflatable aerator 21, tracheae 22 and micropore aeration pipe 23, the micropore aeration pipe 23
The bottom of the container 1 is arranged at, the inflatable aerator 21 is connected by the tracheae 22 with the micropore aeration pipe 23.
A kind of above-mentioned raising Si Minnow parent population spawning rates method, including the use of above-mentioned raising Si Minnow parent population spawning rates device
To improve Si Minnow parent population spawning rates, following steps are specifically included：
Step 1：Submergence first opening is added water into the container 1, starts blower pump for pipeline 7 and operates, in container 1
Water flow through the 4th water pipe 6 by the first water pipe 3 and flowed into again from the water side of the second water pipe 4 and the water side of the 3rd water pipe 5 and hold
Device 1, forms upward annular water flow in container 1；
Step 2：Start after oxygen-increasing device 2, the parent population for having injected oxytocic drug is put into the container 1, reach effect
After between seasonable, close blower pump for pipeline 7, fish for parent population and carry out artificial insemination, wherein, Effect time refer to from injection ocyodinic to
This section of interval time of parent population heat spawning.
Embodiment 2
Refer to Fig. 1, the present embodiment on the basis of embodiment 1, in order to further preferably under simulating natural environment seemingly
The water velocity that Minnow parent populations stimulate needed for hastening parturition, oxytocic drug is played normal physiological action further described
Flow control valve 8 is equipped with second water pipe 4 and the 3rd water pipe 5, the 3rd water pipe 5 is connected with drainpipe, the row
Water pipe is provided with draining valve 9.
Certainly, in order to prevent parent population from being resulted in blockage into circulating line, the water inlet end of first water pipe 3, the second water pipe 4
Water side and the water side of the 3rd water pipe 5 be equipped with fish screen 10；In order to avoid current dead angle occurs in container, make in container
Parent population, which can obtain sufficient current, to be stimulated, and then accelerating, and it is in hemisphere that the bottom surface of the container 1 is protruded away from the center of container 1
Shape, center of second opening positioned at the bottom surface of the container 1；The operation that male and female parent population is separately hastened parturition for convenience,
Also the efficiency and yield hastened parturition are improved, the number of the container 1 is the container 1 of more than 2, more than 2 with the 4th water pipe 6
It is that axle is in circumferentially distributed.
A kind of above-mentioned raising Si Minnow parent population spawning rates method, including the use of above-mentioned raising Si Minnow parent population spawning rates device
To improve Si Minnow parent population spawning rates, following steps are specifically included：
Step 1：Draining valve is closed, submergence first opening is added water into container 1, is opened respectively on the second water pipe 4
The water pipe 5 of flow control valve 8 and the 3rd on flow control valve 8, start blower pump for pipeline 7 and operate, the water in container 1 passes through the
One water pipe 3 flows through the 4th water pipe 6 and flows into container 1 from the water side of the second water pipe 4 and the water side of the 3rd water pipe 5 again, in container 1
It is interior to form upward annular water flow；
Step 2：The flow control valve 8 on the water pipe 5 of flow control valve 8 and the 3rd on the second water pipe 4 is adjusted, makes container 1
Interior water-carrying capacity reaches 0.04~0.05m3/ min, then starts water oxygenation of the oxygen-increasing device 2 into container 1；
Step 3：The parent population for having injected oxytocic drug is put into the container 1, after Effect time is reached, pipeline is closed
Booster pump 7, fishes for parent population and carries out artificial insemination, wherein, Effect time refer to lay eggs to parent population heat from injection ocyodinic this
Section interval time.
In summary, simulation is passed through in the device and method improved Si Minnow parent population spawning rates that the present invention is provided, the present invention
The streamflow regime of natural environment Si needed for laying eggs Minnow, stimulates accelerating in antenatal progress current, oxytocic drug is played normally
Physiological action, significantly improve maturity and spawning rate (Shi Si Minnow parent populations and bring up to more than 80% Si Minnow parent population spawning rates)；
The present invention is simple in construction, easy to operate, by passing in and out water circulating pipe and blower pump for pipeline to realize automatic cycle water, has
The advantages of economizing on water, save land, reducing labor intensity, Weis that the further further investigation Si Minnow and cultivation provide good basis.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of device improved like Minnow parent population spawning rates, it is characterised in that including turnover water circulating pipe, for depositing like Minnow
The container of parent population and the oxygen-increasing device for increasing dissolved oxygen in water, the oxygen-increasing device are connected with the container；The container it is transversal
Face is rounded；
It is described turnover water circulating pipe include the first water pipe, the second water pipe, the 3rd water pipe and the 4th water pipe, first water pipe,
Second water pipe and the 3rd water pipe are connected with the 4th water pipe respectively；The side wall of the container is provided with the first opening, described first
Water pipe passes through the described first opening and the reservoir；The bottom surface of the container leads to provided with the second opening, the 3rd water pipe
Cross second opening and the reservoir；Second water pipe is located between first water pipe and the 3rd water pipe, described
Inwall of second water pipe along the container is circumferentially disposed；
4th water pipe is provided with blower pump for pipeline, and the blower pump for pipeline is located between the first water pipe and the second water pipe.
2. the device according to claim 1 improved Si Minnow parent population spawning rates, it is characterised in that second water pipe and institute
State and flow control valve is equipped with the 3rd water pipe, the 3rd water pipe is connected with drainpipe, the drainpipe is provided with draining valve.
3. the device according to claim 1 improved Si Minnow parent population spawning rates, it is characterised in that first water pipe enters
The water side of water end (W.E.), the water side of the second water pipe and the 3rd water pipe is equipped with fish screen.
4. the device according to claim 1 improved Si Minnow parent population spawning rates, it is characterised in that the bottom surface back of the body of the container
Center protrusion from container is curved.
5. the device according to claim 4 improved Si Minnow parent population spawning rates, it is characterised in that the bottom surface back of the body of the container
Center protrusion from container is hemispherical, center of second opening positioned at the bottom surface of the container.
6. the device according to claim 1 improved Si Minnow parent population spawning rates, it is characterised in that the oxygen-increasing device includes
Inflatable aerator, tracheae and micropore aeration pipe, the micropore aeration pipe are arranged at the bottom of the container, and the inflatable increases
Oxygen machine is connected by the tracheae with the micropore aeration pipe.
7. a kind of method improved Si Minnow parent population spawning rates, it is characterised in that including the use of claim 1~6 any one institute
That states improves Si the device of Minnow parent population spawning rates to improve Si Minnow parent population spawning rates, specifically includes following steps：
Step 1：Submergence first opening is added water into the container, the water started in blower pump for pipeline operating, container leads to
Cross the first water pipe and flow through the 4th water pipe again from the water side of the second water pipe and the water side of the 3rd water pipe inflow container, in container
Form upward annular water flow；
Step 2：Start after oxygen-increasing device, the parent population for having injected oxytocic drug is put into the container, reach Effect time
Afterwards, blower pump for pipeline is closed, parent population is fished for and carries out artificial insemination, wherein, Effect time refers to send out from injection ocyodinic to parent population
This section of interval time of feelings spawning.
8. a kind of method improved Si Minnow parent population spawning rates, it is characterised in that including the use of the raising described in claim 2 Si Minnow
The device of parent population spawning rate is improved Si Minnow parent population spawning rates, specifically includes following steps：
Step 1：Draining valve is closed, submergence first opening is added water into container, the flow on the second water pipe is opened respectively
Flow control valve in control valve and the 3rd water pipe, the water started in blower pump for pipeline operating, container is flowed through by the first water pipe
4th water pipe flows into container from the water side of the second water pipe and the water side of the 3rd water pipe again, and upward annular is formed in container
Current；
Step 2：The flow control valve on the flow control valve and the 3rd water pipe on the second water pipe is adjusted, makes the water-carrying capacity in container
Reach 0.04~0.05m3/ min, then starts water oxygenation of the oxygen-increasing device into container；
Step 3：The parent population for having injected oxytocic drug is put into the container, after Effect time is reached, pipe pressurizing is closed
Pump, fishes for parent population and carries out artificial insemination, wherein, Effect time refer to lay eggs to parent population heat from injection ocyodinic this it is intersegmental every
Time.
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Application publication date: 20170728 |