CN105724289A - Efficient artificial propagation method for acrossocheilus fasciatus - Google Patents
Efficient artificial propagation method for acrossocheilus fasciatus Download PDFInfo
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- CN105724289A CN105724289A CN201610109556.3A CN201610109556A CN105724289A CN 105724289 A CN105724289 A CN 105724289A CN 201610109556 A CN201610109556 A CN 201610109556A CN 105724289 A CN105724289 A CN 105724289A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 241001101885 Acrossocheilus fasciatus Species 0.000 title abstract description 5
- 241000251468 Actinopterygii Species 0.000 claims abstract description 137
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 102000002322 Egg Proteins Human genes 0.000 claims description 74
- 108010000912 Egg Proteins Proteins 0.000 claims description 74
- 210000004681 ovum Anatomy 0.000 claims description 74
- 235000013601 eggs Nutrition 0.000 claims description 36
- 239000004744 fabric Substances 0.000 claims description 15
- 210000004602 germ cell Anatomy 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 230000016087 ovulation Effects 0.000 claims description 4
- 238000009360 aquaculture Methods 0.000 claims description 3
- 244000144974 aquaculture Species 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 3
- 230000002710 gonadal effect Effects 0.000 claims description 3
- 230000035800 maturation Effects 0.000 claims description 3
- 230000001954 sterilising effect Effects 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 240000005373 Panax quinquefolius Species 0.000 claims description 2
- 241000216843 Ursus arctos horribilis Species 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000004720 fertilization Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 241000220317 Rosa Species 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000009027 insemination Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000010539 reproductive behavior Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 241000321428 Epinephelus guttatus Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000006727 cell loss Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses an efficient artificial propagation method for acrossocheilus fasciatus. A spawning pond of the acrossocheilus fasciatus is used. The efficient artificial propagation method includes the steps of spawning pond preparing, parent fish pairing, flow regulating, spawning inducing, spawn automatically collecting and postpartum managing. The spawning pond of the acrossocheilus fasciatus comprises a parent fish pond body and a separating pond body. A spawn collecting pond main body is arranged at the bottom of the parent fish pond body, and a spawning bed is arranged between the parent fish pond body and the spawn collecting pond main body; a water-discharging spawn collecting pipe is arranged at the bottom of the spawn collecting pond main body, and a spawn picking valve is further arranged at the bottom end of the separating pond body. According to the efficient artificial propagation method, the spawning bed, the water velocity and the water-temperature change rule in the parent fish pond body can meet the environment requirement required by the propagation behavior, laid spawns rapidly penetrate through the spawning bed along with water flow and enter the spawn collecting pond main body, and it is avoided that the spawn granules are swallowed by parent fishes; as the separating pond body is arranged, zygotes can be conveniently and effectively collected, high strength operation of artificial spawn picking is reduced, and interference in parent fish spawning is avoided. Cost is low, time is saved, labor is saved, and the spawning rate, the fertilization rate and the zygote collection rate of the parent fishes are remarkably increased.
Description
Technical field
The present invention relates to the nursery field of freshwater fish, particularly relate to the high-efficiency artificial propagation method of a kind of smooth lip fish.
Background technology
Light lip fish (Acrossocheilusfasciatus) is commonly called as cabrilla, it is distributed in south China mountain area, move in that water quality is limpid, in the torrent environment such as mountain stream streams and rivers middle and upper reaches of gravel substrate, lay eggs when water temperature 18～27 DEG C, spawning season is generally for 5～August, breeding period is 6～July, for the famous and precious economic fish of streams property, great value of exploiting and utilizing.In light lip fish artificial propagation, mostly the open-top receptacle containing gravel is placed in bottom spawning pond, parent fish lays eggs insemination on gravel, it is transferred to hatchery with manually separating to pull out with gravel by germ cell, in process of laying eggs, parent fish can eat germ cell in a large number, finally can only obtain the germ cell of 50%～60%.
Additionally, due to light lip fish individuality is little, body constitution is tender and lovely, it is difficult to natural propagation when existing artificial cultivation, therefore strongly limit large-scale cultivation development.
Summary of the invention
Given this, the present invention provides the high-efficiency artificial propagation method of a kind of smooth lip fish, solves germ cell loss amount in existing smooth lip fish artificial propagation big, manually fishes for the problem that germ cell is wasted time and energy, avoid the interference to Gunther parent fish spawning behavior, and then reach to improve the purpose of artificial reproduction rate and economic benefit.
For solving above-mentioned technical problem, the technical solution used in the present invention is: the high-efficiency artificial propagation method of a kind of smooth lip fish, using a kind of light lip fish spawning pond, it includes spawning pond preparation, parent fish pairing, Flow-rate adjustment, induced spawning, automatically receipts ovum and manages six big steps puerperal.Specific as follows:
1) spawning pond prepares: be placed on egg-collecting tank by fish screen, closes bottom valve and adopts ovum valve, opens water intaking valve to water filling in parent fish pond until current flow out from the overfall of separate tank.
2) parent fish pairing: throw in the light lip fish parent fish 10～15kg/m female, male of gonadal maturation in parent fish pond3, female-male proportion 1:0.8～1.
The mark of light lip piscinity gland maturity is, milter side black longitudinal grin upper and lower and chest have bright-coloured rose, and rhynchodaenm is covered with pearl projection；Raun abdominal part expands softness.
3) Flow-rate adjustment: control inflow according to parent fish gross weight regulating water inlet valve, every 100kg parent fish needs the constant stream amount of 1.5～2.5L/s.
4) induced spawning: water temperature stably reaches more than 24 DEG C in continuous 5 days, is placed on fish screen by the bed of laying eggs completing gravel.The reproductive behavior of light lip fish carried out at night, made the water temperature of parent fish pond decline 3～5 DEG C in 1～3 hour after darkness.Under stimulation that light lip fish parent fish declines suddenly in water temperature and gravel induction, milter chases raun ovulation row essence, natural fertilization in water body of ovum grain simultaneously above gravel.After daybreak, using original water source instead and make water temperature be gradually restored to more than 24 DEG C, so repeatedly induce, same pond parent fish all can lay eggs complete in 7～20 days.
5) automatically receiving ovum: after induced spawning, parent fish is in ovulation insemination of laying eggs on bed, and the faint germ cell of viscosity separates with gravel under current scour effect, enters egg-collecting tank with current through the gap of gravel, enters separate tank through draining ovum collector；Germ cell is retained in separate tank more than the hole of screen cloth, and current are discharged from gap by screen cloth；Light lip fish roe proportion belongs to demersal egg slightly larger than water, it is gradually deposited at separate tank bottom, when in separate tank, ovum grain reaches some, unlatching adopts ovum valve by ovum grain discharge to moveable container, transfer in hatchery, if parent fish pond water level is higher than hatchery, pipeline can be connected under adopting ovum valve and directly germ cell is transported to hatchery.
6) management in puerperal: lay eggs after being fully completed, takes out bed of laying eggs in parent fish pond, removes separate tank, gives over to use next time after cleaning and sterilizing；Contaminant deposition in draining ovum collector and vertical tube is discharged by of short duration bottom valve of opening, and puerperal, parent fish continued to stay aquaculture management in parent fish pond.
Further, aforementioned smooth lip fish spawning pond includes parent fish pond and separate tank.Wherein, bottom parent fish pond, it is provided with egg-collecting tank, between parent fish pond and egg-collecting tank, is disposed with lay eggs bed and fish screen from top to bottom.The bottom of described egg-collecting tank is additionally provided with draining ovum collector.
Tilt to egg-collecting tank bottom above-mentioned parent fish pond, the ovum grain of distribution can be made to be prone to focus on a region of laying eggs by being arranged to inclined-plane bottom parent fish pond, it is to avoid to be deposited at the bottom of pond and eaten by parent fish.
Preferably, above-mentioned egg-collecting tank is funnel-shaped structure, and this funnel-shaped structure can make the ovum grain in egg-collecting tank all timely enter rapidly draining ovum collector.
Lay eggs bottom bed for grizzly bar or mesh-like structure, interval of grid strip or mesh size less than fish screen spacing more than ovum grain diameter；Described bed of laying eggs is covered with one layer of coarse gravel, leaves space between gravel and make ovum grain can enter egg-collecting tank with current.
Above-mentioned fish screen can intercept parent fish and enter egg-collecting tank, and ovum grain and current then can flow into egg-collecting tank by fish screen.
Above-mentioned parent fish pond is provided with water inlet and discharge outlet, wherein, water inlet is located at top, fishpond, along the counterclockwise water inlet of pool wall tangent line, make to be formed in parent fish pond vortex current counterclockwise, discharge outlet is positioned at center at the bottom of pond, current from surface, fishpond along pond week downwards, to fishpond central flows, flow out through bed of laying eggs, fish screen, egg-collecting tank, draining ovum collector.Swirl shape current make parent fish come the ovum grain on a surface of laying eggs and seminal fluid can flow rapidly into egg-collecting tank and draining ovum collector, it is to avoid eaten by parent fish, and in flow process, flow velocity is accelerated, ovum grain and the continuous roll-over crash of sperm, improve rate of fertilization.Under the effect of the coriolis force caused at earth rotation, the natural flows vortex in area, the Northern Hemisphere is counterclockwise, along the counterclockwise water inlet of pool wall tangent line, stable counter clockwise direction swirl shape current can be formed with the less water yield and water flow impact pressure, then should arrange in the direction of the clock in southern-hemisphere regions.
Further, being provided with water intaking valve on water inlet, regulating water inlet valve can control flow of inlet water and flow velocity.
Being provided with vertical tube and bottom valve on aforementioned draining ovum collector, riser upper portions arranges inverted U pipe, and the discharge outlet of inverted U pipe is submerged under the separate tank water surface, and current and ovum grain enter separate tank by draining ovum collector, vertical tube and inverted U pipe flow.So arranging and can ensure that parent fish pond keeps consistent with the water surface elevation of separate tank, ovum grain enters separate tank with water flow stationary, it is to avoid germ cell is damaged by dropping shock.Bottom valve is set in one end of draining ovum collector and is conducive to the pollutant in cleaning parent fish pond and pipeline.
Being provided with overfall on the pool wall top of separate tank, inside is equiped with screen cloth, and the height of this screen cloth is higher than separate tank liquid level top, and mesh, less than ovum grain diameter, by ovum grain detention inside separate tank, can allow current overflow separate tank by screen cloth.Being funnel-shaped structure bottom above-mentioned separate tank, bottom arranges and adopts ovum valve, when ovum grain reaches some in separate tank, opens and adopts ovum valve by the releasing of ovum grain.
Preferably, separate tank bottom position is above the ground level, and can place container and connect Sheng ovum grain, or ovum grain is directly transported to hatchery by connection pipeline under adopting ovum valve.
Further, separate tank is additionally provided with support, changes separate tank overfall height by regulating support height, the water surface elevation of parent fish pond and separate tank can be changed, and then reach the convenient purpose regulating the spawning pond depth of water.
Beneficial effects of the present invention: the present invention is by being optimized design by the structure of light lip fish spawning pond, spawning pond preparation, Flow-rate adjustment, induced spawning, automatically receipts ovum carry out rational modification, make to lay eggs in parent fish pond bed, water velocity, water temperature Changing Pattern can meet the environmental requirement needed for light lip fish reproductive behavior, ovum grain quickly enters egg-collecting tank with current through bed of laying eggs after discharging, it is to avoid eaten by parent fish；Germ cell is collected on the design energy simple and effective ground of separate tank, alleviates the high-intensity operation manually dragging for ovum, and avoids the interference to Gunther parent fish spawning behavior.
Compared with prior art, simple in construction, with low cost, time saving and energy saving, Gunther parent fish spawning rate, rate of fertilization are more than 90%, and germ cell collection rate reaches more than 98% for the present invention.
Accompanying drawing explanation
Fig. 1 is the sectional view of light lip fish spawning pond in the present invention.
Fig. 2 is the top view of light lip fish spawning pond in the present invention.
In figure, 1, water intaking valve, 2, water inlet, 3, the water surface, 4, parent fish pond, 5, separate tank, 6, inverted U pipe, 7, screen cloth, 8, overfall, 9, adopt ovum valve, 10, support, 11, vertical tube, 12, bottom valve, 13, draining ovum collector, 14, egg-collecting tank, 15, fish screen, 16, gravel, 17, bed of laying eggs.
Below in conjunction with detailed description of the invention, the present invention is described in further detail.
Detailed description of the invention
Embodiment,
The high-efficiency artificial propagation method of a kind of smooth lip fish, uses if Fig. 1 is to the light lip fish spawning pond shown in 2, and it comprises the steps:
1) spawning pond prepares: be placed on egg-collecting tank 14 by fish screen 15, closes bottom valve 12 and adopts ovum valve 9, and water filling in parent fish pond 4 is until current flow out from overfall 8.
2) parent fish pairing: throw in the light lip fish each 40kg of parent fish female, male of more than body weight 35g, gonadal maturation in parent fish pond 4.The mark of light lip piscinity gland maturity is, milter side black longitudinal grin upper and lower and chest have bright-coloured rose, rhynchodaenm to be covered with pearl projection, and raun abdominal part expands softness.
3) Flow-rate adjustment: regulating water inlet valve 1, making flow of inlet water is 1.2～2L/s.
4) induced spawning: water temperature stably reaches more than 24 DEG C in continuous 5 days, the bed 17 of laying eggs completing gravel 16 is placed on fish screen 15, after darkness, use cold spring water or the well water through oxygen supplement make water source, the water temperature making parent fish pond 4 declined 3～5 DEG C in 1～3 hour, and light lip fish parent fish starts ovulation row's essence under the stimulation that gravel 16 and water temperature decline suddenly.Using original water source after daybreak instead makes water temperature be gradually restored to more than 24 DEG C, so repeatedly induces, and same pond parent fish can all lay eggs complete in 7～15 days.
5) ovum is automatically received: after induced spawning, pay close attention to ovum grain quantity in separate tank 5, open in time and adopt ovum valve 9 by ovum grain discharge to moveable container, or adopting 9 times connection pipelines of ovum valve, germ cell is transported in hatchery and hatches, it is prevented that in separate tank 5, ovum grain deposition is too much attached on screen cloth 7 and results in blockage.
6) management in puerperal: lay eggs after being fully completed, takes out, in parent fish pond 4, the bed 17 of laying eggs being covered with gravel 16, removes separate tank 5, gives over to use next time after cleaning and sterilizing；Contaminant deposition in draining ovum collector 13 and vertical tube 11 is discharged by of short duration bottom valve 12 of opening；Puerperal, parent fish continued to stay aquaculture management in parent fish pond 4.
Seeing also Fig. 1 to 2, a kind of light lip fish spawning pond, including parent fish pond 4 and separate tank 5 two large divisions.
Wherein, the diameter of parent fish pond 4 is 300cm, and height is 120cm, and the depth of water is 80cm.It is provided with egg-collecting tank 14 in the bottom of parent fish pond 4, is 15 ° to the angle of inclination of egg-collecting tank 14 bottom parent fish pond 4.Parent fish pond 4 is arranged over water intaking valve 1 and the water inlet 2 of diameter 75mm, along the counterclockwise water inlet of pool wall tangent line.
Above-mentioned egg-collecting tank 14 is in infundibulate, and pond slanted floor angle is 30 °.Egg-collecting tank 14 is arranged over the fish screen 15 that gap is 10mm, and fish screen 15 is arranged over the bed 17 of laying eggs that gap is 5mm, and on bed 17 of laying eggs, uniform one layer of diameter of lay is the gravel 16 of 8～10mm, and area shared by gravel 16 is the 40～60% of bed 17 area of laying eggs.
Being provided with the draining ovum collector 13 of diameter 110mm bottom egg-collecting tank 14, the end of draining ovum collector 13 is provided with bottom valve 12, and draining ovum collector 13 is communicated to separate tank 5 by vertical tube 11 and inverted U pipe 6.
The diameter of described separate tank 5 is 60cm, and height is 75cm, and top arranges the overfall 8 of wide 20cm, deep 10cm.Separate tank 5 be internally provided with screen cloth 7, screen cloth 7 is made with 40 mesh sieve thin,tough silk, screen cloth 7 height identical with separate tank 5 overhead height.Current are discharged from overfall 8 by screen cloth 7, ovum grain by screen cloth 7 detention inside separate tank 5.
In infundibulate bottom separate tank 5, pond slanted floor angle is 50 °.What separate tank 5 lowermost end arranged diameter 50mm adopts ovum valve 9.
It is outside that described separate tank 5 is arranged on parent fish pond 4, and supports on the ground with support 10.The height regulating separate tank 5 can regulate the height of the water surface 3 in parent fish pond 4.
Claims (10)
1. a light lip fish high-efficiency artificial propagation method, uses a kind of light lip fish spawning pond, it is characterised in that comprise the steps:
1) spawning pond prepares: water filling in parent fish pond (4) is until current flow out from the overfall (8) of separate tank (5)；
2) parent fish pairing: throw in the light lip fish parent fish 10～15kg/m female, male of gonadal maturation in parent fish pond (4)3, female-male proportion 1:0.8～1；
3) Flow-rate adjustment: control inflow according to parent fish gross weight, every 100kg parent fish needs the constant stream amount of 1.5～2.5L/s；
4) induced spawning: be placed between parent fish pond (4) and egg-collecting tank (14) by the bed of laying eggs (17) completing gravel, water temperature stably reaches more than 24 DEG C in continuous 5 days；The water temperature making parent fish pond after darkness declined 3～5 DEG C in 1～3 hour；Using original water source after daybreak instead makes water temperature be gradually restored to more than 24 DEG C, so repeatedly induces, and same pond parent fish all can lay eggs complete in 7～20 days；
5) ovum is automatically received: parent fish is after the upper ovulation row's essence of bed of laying eggs (17), germ cell enters egg-collecting tank (14) with current by the gap of gravel (16), separate tank (5) is entered through draining ovum collector (13), in separate tank (5), current are discharged from gap (8) by screen cloth (7), and germ cell is retained in separate tank (5)；When ovum grain reaches some in separate tank (5), open and adopt ovum valve (9) by ovum grain discharge to moveable container or hatchery；
6) management in puerperal: lay eggs after being fully completed, takes out bed (17) of laying eggs in parent fish pond (4), removes separate tank (5), gives over to use next time after cleaning and sterilizing；Puerperal, parent fish continued to stay parent fish pond (4) interior aquaculture management.
2. light lip fish high-efficiency artificial propagation method as claimed in claim 1, it is characterised in that: described smooth lip fish spawning pond includes parent fish pond (4) and separate tank (5)；Wherein, described parent fish pond (4) bottom is provided with egg-collecting tank (14), bed of laying eggs (17) it is provided with between parent fish pond (4) and egg-collecting tank (14), leaving space between bed of laying eggs (17) upper berth grittiness (16), gravel (16) makes ovum grain can enter egg-collecting tank (14) with current and be blocked in by parent fish above bed of laying eggs (17)；The top of described parent fish pond (4) is provided with water inlet (2), the bottom of egg-collecting tank (14) is provided with draining ovum collector (13), and this draining ovum collector (13) is provided with vertical tube (11) and inverted U pipe (6)；Described separate tank (5) is provided with overfall (8), is additionally provided with in the bottom of separate tank (5) and adopts ovum valve (9).
3. light lip fish high-efficiency artificial propagation method as claimed in claim 2, it is characterised in that: described parent fish pond (4) bottom tilts to egg-collecting tank (14).
4. light lip fish high-efficiency artificial propagation method as claimed in claim 2, it is characterized in that: water inlet (2) front end of described parent fish pond (4) arranges water intaking valve (1), water inlet (2) is counterclockwise arranged along pool wall tangent line；In step 3) Flow-rate adjustment also includes regulating water inlet valve (1) control the step of flow of inlet water.
5. as claimed in claim 2 light lip fish high-efficiency artificial propagation method, it is characterised in that: described in bed (17) bottom of laying eggs be positioned at the top position of egg-collecting tank (14) and be additionally provided with fish screen (15)；Described bed of laying eggs (17) bottom for grizzly bar or mesh-like structure, interval of grid strip or mesh size less than fish screen (15) gap spacing more than ovum grain diameter；
In step 1) spawning pond also includes being placed on egg-collecting tank (14) fish screen (15) in preparing, and step 4) induced spawning also includes bed of laying eggs (17) is placed on the step on fish screen (15).
6. light lip fish high-efficiency artificial propagation method as claimed in claim 2, it is characterised in that: described draining ovum collector (13) is additionally provided with bottom valve (12)；
In step 1) spawning pond also includes in preparing closing bottom valve (12) and adopting ovum valve (9), and step 6) puerperal management also includes opening the step that the contaminant deposition in draining ovum collector (13) and vertical tube (11) is discharged by bottom valve (12).
7. light lip fish high-efficiency artificial propagation method as claimed in claim 2, it is characterised in that: described egg-collecting tank (14) is in infundibulate, and draining ovum collector (13) is arranged on egg-collecting tank (14) bottom centre position；The bottom of described separate tank (5) is infundibulate；When ovum grain reaches some in separate tank (5), open and adopt ovum valve (9) by the releasing of ovum grain.
8. light lip fish high-efficiency artificial propagation method as claimed in claim 2, it is characterized in that: described separate tank (5) is internal is also equiped with screen cloth (7), the height of this screen cloth (7) is higher than separate tank (5) liquid level top, and its mesh is less than ovum grain diameter.
9. light lip fish high-efficiency artificial propagation method as claimed in claim 2, it is characterised in that: described separate tank (5) bottom position is above the ground level；Under adopting ovum valve (9), place container connect Sheng ovum grain, or ovum grain is directly transported to hatchery by connection pipeline.
10. light lip fish high-efficiency artificial propagation method as described in any one of claim 2 to 9, it is characterised in that: described separate tank (5) is additionally provided with the support (10) for regulating the spawning pond depth of water.
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| CN201610109556.3A CN105724289B (en) | 2016-02-26 | 2016-02-26 | A kind of smooth lip fish high-efficiency artificial propagation method |
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| CN201610109556.3A CN105724289B (en) | 2016-02-26 | 2016-02-26 | A kind of smooth lip fish high-efficiency artificial propagation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107897052A (en) * | 2017-09-05 | 2018-04-13 | 龙泉市富溪农业发展有限公司 | A kind of grouper artificial breeding germplasm method for improving and its device |
| CN112352713A (en) * | 2020-12-04 | 2021-02-12 | 中国科学院昆明动物研究所 | Artificial propagation method for neolabeo fasciatus |
| CN113575474A (en) * | 2021-08-03 | 2021-11-02 | 安徽农业大学 | Artificial temperature-controlled breeding method for acrossocheilus fasciatus |
| WO2022111836A1 (en) * | 2020-11-30 | 2022-06-02 | PIANETA, Guiseppe, Fabio | Spawning and birth and rearing installation for fish spawn eggs and live-born juvenile fish |
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