CN103461245A - Nature spawning pond and zygote collection system for parent fish of hilsa herring - Google Patents
Nature spawning pond and zygote collection system for parent fish of hilsa herring Download PDFInfo
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- CN103461245A CN103461245A CN2013104261720A CN201310426172A CN103461245A CN 103461245 A CN103461245 A CN 103461245A CN 2013104261720 A CN2013104261720 A CN 2013104261720A CN 201310426172 A CN201310426172 A CN 201310426172A CN 103461245 A CN103461245 A CN 103461245A
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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
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- 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 discloses a nature spawning pond and zygote collection system for parent fish of hilsa herring. The nature spawning pond and zygote collection system for the parent fish of the hilsa herring comprises a spawning pond, a zygote collection pipeline and a zygote collection pond, wherein the spawning pond comprises a cylindrical outer wall and a cylindrical inner wall; the inner wall and the outer wall are formed in a detachable installation way through a clamping groove; the bottom of the spawning pond is in the shape of a slope; a spawn discharge port is formed in a part, close to the inner wall, of the bottom of the spawning pond; the spawn discharge port is connected with the zygote collection pond through the zygote collection pipeline; the zygote collection pipeline and the zygote collection pond are located below the horizontal ground; a three-way valve is installed on the zygote collection pipeline; a water discharge port is formed in the bottom of the zygote collection pond; a sealing is actively installed on the water discharge port; the lower side of the water discharge port is connected with a water discharge pipe; a water discharge valve is installed on the water discharge pipe. By the adoption of the nature spawning pond and zygote collection system for the parent fish of the hilsa herring, the loss of the parent fish can be effectively reduced, the nature spawning and fertilization of the parent fish can be promoted, and the fertility of the parent fish and the quality of zygotes can be improved.
Description
Technical field
The invention belongs to the fish culture apparatus field, be specifically related to a kind of hilsa herring parent population natural spawning pond and fertilized egg gathering system.
Background technology
Hilsa herring is the rare famous and precious economic fish of China, originates in THE LOWER YANGTZE VALLEY, and element is described as treasure in the water of the south of the River, and the ancient thing for paying tribute, be put into the protection species that China national is laid special stress on protecting the first order in the wildlife register in 1988.Hilsa herring is anadromous migration fishes, moves at ordinary times in ocean, and in annual spring, reproduction colony carries out breeding migration, by spawning grounds such as Liu tributary, Su Hedao river, ocean or lakes, is bred.Due to overfishing, water environment pollution and the water conservancy construction destruction to spawning ground and feeding migration passage, the hilsa herring natural resources sharply reduce in recent years.Existing market is mainly with introducing the America hilsa herring from the U.S., and market sale is very considerable.American shad is violent, and swimming and Feeding Velocity are exceedingly fast, and scale is larger, very easily comes off, often dead because of the clobber desquamation.In parent population and fingerling breeding process, violent because of its property, while just having entered new breeding environment, move about rapidly and collision cultivation pool wall repeatedly; In the fertilized egg collection process, hilsa herring is easy to be alarmed and moves about rapidly, also is easy in this process and cultivates pool wall generation collision repeatedly.Therefore culturing pool and the fertilized egg gathering system that can induce hilsa herring parent population natural spawning fertilization that according to the physiological habit of hilsa herring, design, have great economic benefit and social benefit to the development of hilsa herring industry.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of hilsa herring parent population natural spawning pond and fertilized egg gathering system, can impel parent population to carry out spontaneous ovulation, be fertilized and can conveniently collect the system of fertilized egg under the artificial propagation operations such as prosthetic injection ocyodinic.The present invention can effectively reduce the parent population loss, promotes the parent population natural spawning fertilization, improves the quality of parent population fertility and fertilized egg.
Hilsa herring parent population natural spawning pond of the present invention and fertilized egg gathering system, comprise spawning pond, fertilized egg collection conduit and fertilized egg collecting pit, it is characterized in that, described spawning pond is comprised of columniform outer wall and inwall, and the position near inwall at the bottom of pond has ovulation mouthful; Described ovulation mouthful is connected with the fertilized egg collecting pit by the fertilized egg collection conduit, and the fertilized egg collection conduit is below level ground and lower than the horizontal level of ovulation mouth.
The outer wall of above-mentioned spawning pond and inwall are installed and are formed with removably by draw-in groove respectively.
Spawning pond bottom surface between above-mentioned outer wall and ovulation mouth has the gradient, and the gradient is 15 degree.
Above-mentioned fertilized egg collecting pit is cylindrical, has the discharge outlet be communicated with drainpipe at the bottom of the collecting pit pond.
Be movably installed with the discharge outlet tube sealing on described discharge outlet.
On described drainpipe, water discharging valve is installed.
On above-mentioned fertilized egg collection conduit, three-way valve is installed.
Above-mentioned spawning pond for parent fish is of a size of: exterior radius length is 6-8m, and the inwall radius length is 1-2m, and the spawning pond area is 100-200m
2.
Ringwise, width is 0.5m to the ovulation mouth 4 of above-mentioned spawning pond for parent fish; The ovulation mouth is for evenly to be covered with the organic plates of circular hole, and the aperture of circular hole is 0.3mm.
Hilsa herring parent population natural spawning pond of the present invention and fertilized egg gathering system, not only can reduce in the artificial propagation operating process such as artificial induced spawning fertilization the damage of parent population, reduces greatly the parent population damage rate; But also can impel parent population carry out spontaneous ovulation, fertilization and can conveniently collect fertilized egg under the artificial propagation operations such as prosthetic injection ocyodinic, not only can improve the quality that the parent population fertility can also improve fertilized egg.
The accompanying drawing explanation
Fig. 1: overall structure schematic diagram of the present invention;
The perspective view in Fig. 2, hilsa herring parent population natural spawning pond;
The perspective view of Fig. 3, fertilized egg collecting pit;
Wherein: 1, outer wall 2, inwall 3, draw-in groove 4, ovulation mouthfuls 5, spawning pond bottom surface 6, level ground 7, fertilized egg collect at the bottom of pool wall 8, discharge outlet tube sealing 9, collecting pit pond 10, fertilized egg collection conduit 11, three-way valve 12, water discharging valve 13, discharge outlet 14, drainpipe.
Embodiment
Below in conjunction with embodiment and accompanying drawing, spawning pond of the present invention and fertilized egg gathering system are further described in detail.
As shown in Figure 1, Figure 2 and Figure 3, a kind of hilsa herring parent population natural spawning pond and fertilized egg gathering system, be comprised of spawning pond, fertilized egg collection conduit 10 and fertilized egg collecting pit three parts.Spawning pond is preferably loop configuration, columniform outer wall 1 and inwall 2, consists of, and outer wall 1 and inwall 2 are divided into several parts by spawning pond after installing with removably by draw-in groove 3 respectively, is conducive to catch fish or the work such as sterilization; It is 6-8m that spawning pond for parent fish is preferably outer wall 1 radius length, and inwall 2 radius length are 1-2m, and the spawning pond area is 100-200m
2, in spawning pond, depth of water optimum is 1.5-1.8m.Spawning pond is near being provided with ovulation mouth 4 at the bottom of the pond of inwall 2, ovulation mouth 4 is preferably annular, and width is 0.5m, and material is for evenly to be covered with the organic plates of circular hole, and the aperture of circular hole is 0.3mm; Spawning pond is slope design at the bottom of pond, and the pond bottom sloping between outer wall and ovulation mouth is 15 degree; Ovulation mouthful 4 belows connect fertilized egg collection conduit 10 and are connected with the fertilized egg collecting pit by fertilized egg pipeline 10.Fertilized egg pipeline 10 is positioned under level ground 6 and, lower than the horizontal level of ovulation mouthfuls 4, three-way valve 11 is installed on fertilized egg collection conduit 10.The fertilized egg collecting pit is preferably cylindrical, by 9 forming at the bottom of collecting pit pool wall 7 and collecting pit pond, and is positioned at the below of level ground 6; At the bottom of the collecting pit pond, 9 have the discharge outlet 13 be communicated with drainpipe 14, are movably installed with discharge outlet tube sealing 8 on discharge outlet 13, and water discharging valve 12 is installed on drainpipe 14.
The present invention is upper strata swimming property fish according to hilsa herring and has the anadromous migration physiological habit characteristics such as lay eggs, the hilsa herring cluster of observing in conjunction with the cultivation site behavioral characteristic such as ingest, spawning pond is designed to annular, can effectively alleviates the damage of parent population, greatly reduce the damage ratio of parent population.Ovulation mouthful 4 belows link the fertilized egg collection conduit, by pipeline, the fertilized egg of collection are proceeded in the fertilized egg collecting pit.At the bottom of the spawning pond pond, 5 are slope type design, are conducive to the heavy property fertilized egg of hilsa herring to ovulation mouthful enrichment and enter the fertilized egg collection conduit.The three-way valve 11 that the fertilized egg collection conduit is provided with, can adjust the speed that fertilized egg is passed through.The fertilized egg collecting pit is preferably cylindrical, can adjust according to the reasonable quantity of parent population the size of collecting pit, at the bottom of collecting pit, 9 are provided with discharge outlet 13, can be used for regulating the height of fertilized egg collecting pit water level, in the process of collecting fertilized egg, avoid the outlet of its water level higher than the fertilized egg collection conduit.When spawning pond and fertilized egg collecting pit need cleaning and sterilizing, can be respectively by adjusting three-way valve 11 and water discharging valve 12, or pull out the effect that tube sealing 8 on fertilized egg collecting pit discharge outlet 13 and water discharging valve 12 reach draining.
Through production testing, this innovative hilsa herring parent population natural spawning pond and fertilized egg gathering system, can not cause artificial mechanical damage to parent population and the ovum of laying eggs in the artificial propagation process, reduces consumption, cost-saving; Drain Chi Shui after emerging after, observe, circuit ground is clean, there is no obvious residual packing.Not only suitable hilsa herring lays eggs, fertilized egg collects in the present invention, and the laying eggs and the fertilized egg collection of the products demersal egg fish such as suitable salmon trout class.
Claims (9)
1. a hilsa herring parent population natural spawning pond and fertilized egg gathering system, comprise spawning pond, fertilized egg collection conduit (10) and fertilized egg collecting pit, it is characterized in that, described spawning pond is comprised of columniform outer wall (1) and inwall (2), and at the bottom of pond, (5) have ovulation mouthful (4) near the position of inwall (2); Described ovulation mouthful (4) is connected with the fertilized egg collecting pit by fertilized egg collection conduit (10), and fertilized egg collection conduit (10) is level ground (6) below and lower than the horizontal level of the mouth 4 of ovulating.
2. spawning pond according to claim 1 and fertilized egg gathering system, is characterized in that, the outer wall of described spawning pond (1) and inwall (2) are installed and formed with removably by draw-in groove (3) respectively.
3. spawning pond according to claim 1 and fertilized egg gathering system, is characterized in that, the spawning pond bottom surface (5) between described outer wall (1) and ovulation mouthful (4) has the gradient, and the gradient is 15 degree.
4. spawning pond according to claim 1 and fertilized egg gathering system, is characterized in that, described fertilized egg collecting pit is cylindrical, and (9) have the discharge outlet (13) be communicated with drainpipe (14) at the bottom of the collecting pit pond.
5. according to claim 1 or spawning pond claimed in claim 4 and fertilized egg gathering system, it is characterized in that, be movably installed with discharge outlet tube sealing (8) on described discharge outlet (13).
6. according to claim 1 or spawning pond claimed in claim 4 and fertilized egg gathering system, it is characterized in that, water discharging valve (12) is installed on described drainpipe (14).
7. spawning pond according to claim 1 and fertilized egg gathering system, is characterized in that, three-way valve (11) is installed on described fertilized egg collection conduit (10).
8. spawning pond according to claim 1 and fertilized egg gathering system, is characterized in that, described spawning pond for parent fish is of a size of: outer wall (1) radius length is 6-8m, and inwall (2) radius length is 1-2m, and the spawning pond area is 100-200m
2.
9. spawning pond according to claim 1 and fertilized egg gathering system, is characterized in that, ringwise, width is 0.5m to the ovulation mouth (4) of described spawning pond for parent fish; For evenly to be covered with the organic plates of circular hole, the aperture of circular hole is 0.3mm in ovulation mouthful (4).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105557600A (en) * | 2016-02-26 | 2016-05-11 | 黄山市鼎新生态农业发展有限公司 | Acrossocheilus fasciatus spawning pond |
| CN105724289A (en) * | 2016-02-26 | 2016-07-06 | 黄山市鼎新生态农业发展有限公司 | Efficient artificial propagation method for acrossocheilus fasciatus |
| CN111226850A (en) * | 2020-01-19 | 2020-06-05 | 中国水产科学研究院淡水渔业研究中心 | Novel annular greenhouse system for breeding alosa sapidissima and construction method thereof |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
| 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105557600A (en) * | 2016-02-26 | 2016-05-11 | 黄山市鼎新生态农业发展有限公司 | Acrossocheilus fasciatus spawning pond |
| CN105724289A (en) * | 2016-02-26 | 2016-07-06 | 黄山市鼎新生态农业发展有限公司 | Efficient artificial propagation method for acrossocheilus fasciatus |
| CN105724289B (en) * | 2016-02-26 | 2018-07-17 | 黄山市鼎新生态农业发展有限公司 | A kind of smooth lip fish high-efficiency artificial propagation method |
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| CN111226850A (en) * | 2020-01-19 | 2020-06-05 | 中国水产科学研究院淡水渔业研究中心 | Novel annular greenhouse system for breeding alosa sapidissima and construction method thereof |
| CN111226850B (en) * | 2020-01-19 | 2021-11-16 | 中国水产科学研究院淡水渔业研究中心 | Novel annular greenhouse system for breeding alosa sapidissima and construction method thereof |
| 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 |
| CN113367086A (en) * | 2021-03-17 | 2021-09-10 | 广东海洋大学 | Method for collecting, separating, incubating, identifying and classifying live eggs of natural marine demersal fish eggs |
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| CN103461245B (en) | 2015-08-19 |
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