CN209436028U - Sturgeon artificial induced spawning operating table - Google Patents
Sturgeon artificial induced spawning operating table Download PDFInfo
- Publication number
- CN209436028U CN209436028U CN201822041734.0U CN201822041734U CN209436028U CN 209436028 U CN209436028 U CN 209436028U CN 201822041734 U CN201822041734 U CN 201822041734U CN 209436028 U CN209436028 U CN 209436028U
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- China
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- sturgeon
- bracket
- operating table
- induced spawning
- artificial induced
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
A kind of sturgeon artificial induced spawning operating table, it is characterized in that it includes bracket (1) and sturgeon operation bracket (4), one end of bracket (1) is fixed with lantern ring (2), and the other end setoff installation of bracket (1) has casing (3)；The sturgeon operation bracket (4) is made of the more arc-shaped connecting rods (7) that can accommodate sturgeon body of T shape mobile jib (5), identical two upper poles (6) of structure and adult fish shape structure that two upper poles (6) are connected with T shape mobile jib (5), in the straight-bar end insertion of T shape mobile jib (5) lantern ring (2), in the side insertion of the cross bar of T shape mobile jib (5) casing (3).The utility model solves the problems, such as to lay eggs during mandarin sturgeon artificial propagation, and the artificial propagation for Chinese sturgeon fry is laid a good foundation, and can guarantee the survival rate of the mandarin sturgeon 100% after oviposition, is conducive to the continuity of population.The advantage that the utility model has structure simple, easy for operation simultaneously.
Description
Technical field
The utility model relates to a kind of aquaculture technology, ovum skill is taken used in especially a kind of mandarin sturgeon cultural technique
Art, specifically a kind of sturgeon artificial induced spawning operating table.
Background technique
Mandarin sturgeon (scientific name: Acipenser sinensis) body is long about 40 centimetres average, and for up to 130 centimetres, weight is most
Up to 600 kilograms.Body is in spindle, and head point kiss is grown, and has 4 kisses palpuses before mouth, there is retractility in mouth position in the outside of belly, and can be stretched into cylinder
Shape, body are coated the big and hard corneoscute of the five-element, back side a line, side and each two row of veutro.Sturgeon was 100,005,000 Wan Nianqian Mesozoic Era
The rare ancient times fish left, between cartilage and os osseum, the ossification intensity of bone generally declines for it, and axis is unossified
Elastic notochord, no centrum do not ossify largely with the cartilage shell of cranium.Tail fin is heterocercal, and paired fin has a broad base portion, dorsal fin with
Anal fin is opposite.Abdomeinal fin is located in front of dorsal fin, and the base portion of fin and tail fin has spine shape squama, and enteral has valvula spiralis, anus and nephrodinic hole location
Near abdomeinal fin base portion, the opening and ovary of fallopian tubal are separate.
Mandarin sturgeon life cycle is longer, and MaLS is up to 40 ages.It is that Chinese level-one lays special stress on protecting wild animal, and lives
Fossil has the title of " giant panda in water ".With very high scientific research, medicinal and ornamental value.
Mandarin sturgeon form is brave and fierce, individual it is very large, last a long time, most long life person up to 40 years old, be in freshwater fish individual most
Greatly, the fish of longest-lived.Mandarin sturgeon is into behind river, it is necessary to be detained 1 year in river, reach spawning place second year October.At this
In 1 year, mandarin sturgeon be not trace back river always and on, but when You Shiting, hide at river hollow sometimes several days it is motionless.The
2 year autumn traced back to the section breeding of the upper reaches river that The turbulent river crashes its way through, bottom is gravel, and reproductive population is gathered in spawning ground breeding.
Mandarin sturgeon is typical anadromous migration fish.The coastal shelf area for usually living in the East Sea, the South Sea, in sea
Middle growth and development.When milter grows to 9 to 18 years old, a length of 170 centimetres of body, weight is 50 kilograms or more, and raun grows to 14 to 26 years old, can
Reach first sexal maturity.Start mature individual and rivers are entered by sea between the 7-8 month, inhabites 1 year sexual gland in fresh water and gradually send out
It educates.
It was found that the milter age is generally 9-22 years old in spawning colony, 40-125 kilograms of weight；Raun is 16-29
In year, 172-300 kilograms of weight is it has been observed that the every average annual growth rate of mandarin sturgeon is very fast, and 5-8 kilograms of milter, raun is 8-13 thousand
Gram.But growing to large-scale adult fish from juvenile fish needs 8-14.Its sexal maturity is later, reaches first sexal maturity, so that it may raise up seed.
In usual spawning colony, milter age group is that 9-22 age, body be 1.7-2.4 meters a length of, weight is 40-125 kilograms；It is female
Fish age group is that 16-20 age, body be 2.4-3.1 meters a length of, weight is 172-300 kilograms.Fish brood amount is big, and individual absolutely fish brood amount reaches
30.6 ten thousand -130.3 ten thousand, average out to 64.5 ten thousand.9-11 month to Jiang Shangyou lay eggs.Egg-laying season need to be in water temperature 18.0-20.5
DEG C, 0.715-0.915 kgs/m 3 of silt content, flow velocity be 2.2-2.6 meters/s, transparency is 4-6 centimetres, pH8, dissolved oxygen amount 9.2
Rice l/L, 5-19.8 meters of the depth of water of river.It is in Yibin-Pingshan location in Jinsha jiang River in the spawning ground that concentration is compared in the Changjiang river.Belong to one
Secondary ovulation type.Adherence demersal egg is produced, ovum, which is sticked on chad, hatches.Mature egg ellipse, green and brown color.About 3.6 millimeters of ovum diameter.
Fertilized eggs can hatch prelarva through 123-140 hours at 17-18 DEG C of water temperature.Parent population majority speeds away spawning ground under after oviposition
Trip and Hekou District are inhabited.
After oviposition, female parent population starts to drop river quickly.Close sturgeon stops eating substantially during reproduction, and the ovum of output is viscous
Property, it is adhered to above river bed rock stone or gravel, under conditions of 17-18 DEG C of water temperature, fertilized eggs are about hatched through 5-6 round the clock.Just go out
The prelarva of film has huge yolk bag, is similar to tadpole, drifts about downstream, starts to ingest after about 12-14 days.Nian Chunji again, children
River drops in sturgeon gradually, appears in one band of entrance of Changjiang River Chongming Island 5-8 month, and after September, the long young sturgeon up to 30 centimetres of body leaves successively
Entrance of Changjiang River shallow water beach enters sea and cultivates growth.Life cycle is longer, and MaLS is up to 40 ages.
In the 1970s, the reproductive population in the Changjiang river can reach more than 10,000 tails, the eighties that Ge Zhou Ba is shut off, die-off to
2176 tails, only 363 tails in 2000, estimation in 2010 only remain 57 tails.
Since the 1980s, Wild Chinese Sturgeon gradually forms new spawning ground in Yichang section of Yangtze River.It is related
Scientific research institution starts the mandarin sturgeon natural propagation activity expansion monitoring to river section.For many years, Wild Chinese Sturgeon natural spawning is more
Mid-November is concentrated on, a small number of times can be in late November.
The scientific research fishing index of the 1980s is annual each 100 tail of the Changjiang river aquatic products research institute and mandarin sturgeon research institute,
But to catch five or six ten tails all well and good for each self energy every year for Liang Jia mechanism.
After 2000, two annual add up can only also catch twenty or thirty tail.
2008, Ministry of Agriculture's organizes expert demonstration estimated reproductive population less than 200 tails, and wild stocks is precarious, scientific research
Fishing is halted with regard to this.
2013, the Wild Chinese Sturgeon spawning ground of Gezhouba down-stream, mating period did not monitored any ovum and fertilized eggs,
Mandarin sturgeon oviposition path is truncated after Ge Zhou Ba is built up, stops natural spawning for the first time over 32 years.
From on October 31st, 2013, Changjiang Aquatic Products Inst., Chinese Academy of Aquatic Products Sciences begins to enter mandarin sturgeon core
Protection zone mandarin sturgeon spawning habitat is nearby monitored.Monitoring range is in the lower 15 kilometers of rivers section of Ge Zhou Ba hydroelectric dam.It is scheduling to last
In monitoring in 58 days, uses underwater photography although Ji Jia R&D institution is comprehensive, underwater sonar contact, visits fisherman and organizer
The number of ways such as work observation, but fail to monitor Wild Chinese Sturgeon natural spawning always.
Afternoon on December 27th, 2013, Inst. of Hydrobiology, Chinese Academy of Sciences, China Aquatic Science Research Institute's Yangtze River Water
It produces research institute and Yangtze River In Hubei Province Yichang Nature Reserve of Acipenser scnensis treatment monitoring center finishes combined monitoring activity.As a result it shows
Show, do not find Wild Chinese Sturgeon natural spawning sign yet within 2013, this is not monitor Wild Chinese Sturgeon certainly over nearly 32 years for the first time
So oviposition.
On September 13rd, 2013, www.xinhuanet.com's Yichang electricity, is entrusted by the Changjiang river office, the fishery resources committee, the Ministry of Agriculture,
It is special that Changjiang Aquatic Products Inst., Chinese Academy of Aquatic Products Sciences's fish protection subject group in imminent danger has carried out the middle and lower reach of Yangtze River stock of fish
Item investigation, emphasis investigate mandarin sturgeon natural propagation situations in 2013 and existing resource situation.Investigation is assert: mandarin sturgeon exists
There is no within 2013 natural propagation activity, Wild Chinese Sturgeon population faces danger of extinction.
In October, 2013, brainstrust did not monitored wild for the first time into the ad hoc survey for being directed to mandarin sturgeon by the end of December over 32 years
Mandarin sturgeon natural spawning.And in August, 2014, Yichang to Shanghai river section do not find wild Acipenser sinensis juvenile fish trace yet, this enables scientific research
The mood of personnel is heavier.As reinforced protection not in time, Wild Chinese Sturgeon will face danger of extinction.Since the eighties in last century
The human factors such as hydroelectric project, shipping, fishing, pollution, referred to the population crisis for causing mandarin sturgeon jointly.To save China
Sturgeon, the Changjiang river should carry out ecological joint operation, open up more " homes " for mandarin sturgeon.
On September 2nd, 2014, Ge Zhou Ba is shut off does not monitor mandarin sturgeon natural spawning for the first time over 32 years.
In September, 2014, they investigate again confirmed this message.This is it could mean that in the near future, mandarin sturgeon
This Changjiang river flagship biotic population faces extinction.Start in by the end of October, 2014, scientific research institution has continued to mandarin sturgeon natural spawning
Situation is monitored, it is contemplated that monitoring result can be issued in January, 2015.
On December 31st, 2014, Inst. of Hydrobiology, Chinese Academy of Sciences, China Aquatic Science Research Institute's the Changjiang river aquatic products are ground
Study carefully the connection that the Chinese Academy of Sciences, Ministry of Water Resources Hydraulic Projects ecological Studies in one's power unfortunately finish 2014 annual Wild Chinese Sturgeon natural spawnings
Close monitoring activity.Monitoring result is shown: failing to find Wild Chinese Sturgeon natural spawning.This is also annual and then secondary after 2013
Fail to monitor Wild Chinese Sturgeon natural spawning.
Changjiang Aquatic Products Inst., Chinese Academy of Aquatic Products Sciences breaches mandarin sturgeon artificial propagation, 330 Engineering Bureau nineteen eighty-three
It has set up Yichang mandarin sturgeon research institute also to make a breakthrough for 1984, artificial propagation in relation to mandarin sturgeon and has released work and tested into
Function.Since nineteen eighty-three, the Changjiang river aquatic products research institute releases the young sturgeon of artificial propagation to the Changjiang river every year, but due to Cultivating techniques and supports
The limitation of scale is grown, can only cultivate that length is 8-10 centimetres, 3-5 grams of weight of the young sturgeon for reaching design specification is less than 10,000 every year
Tail, most times are almost nil.
By many years artificial propagation research it has been found that the mandarin sturgeon under the conditions of artificial breeding by such environmental effects,
Spontaneous ovulation rate is lower, therefore mostly in the raun onset of ovulation using the method for manually taking ovum, fish-egg taking-up is manually awarded again
Essence can largely solve the problems, such as fry deficiency, and achieve biggish success, but most when manually taking ovum at present
Using invasive methods, the mandarin sturgeon survival rate after taking fish-egg is not high, in this regard, the solution that there is no at present.
Utility model content
The purpose of this utility model be sturgeon after taking ovum to make to take ovum using invasive methods for existing mandarin sturgeon at
Motility rate is not high, influences the problem of population continues, design it is a kind of ovum is taken using pressing method, sturgeon can be sent back to again after taking ovum
Sturgeon artificial induced spawning operating table that the coming year such as aquaculture pond take ovum again, that ovum can be taken repeatedly.
The technical solution of the utility model is:
A kind of sturgeon artificial induced spawning operating table, it is characterized in that it includes bracket 1 and sturgeon operation bracket 4, one end of bracket 1 is solid
Surely there is lantern ring 2, the other end setoff installation of bracket 1 has casing 3；The sturgeon operation bracket 4 is identical by T shape mobile jib 5, structure
The more arcs that can accommodate sturgeon body of two upper poles 6 and adult fish shape structure that two upper poles 6 are connected with T shape mobile jib 5
Connecting rod 7 forms, in the straight-bar end insertion of T shape mobile jib 5 lantern ring 2, described in the side insertion of the cross bar of T shape mobile jib 5
In casing 3.
Flexible material layer is enclosed on the arc-shaped connecting rod 7 to prevent sturgeon body surface injured.
The flexible material is cotton or foamed material.
The upper pole 6 is made of straight bar section and pole section, and pole section and sturgeon head sizes match.
The curved opening and radius of the radian of the arc-shaped connecting rod 7 from fish head part to fish tail portion tapers so as to
Match with the pre-large post-small slender contour of sturgeon.
The front of the upper pole 6, which is also connected with fixing belt, prevents it so that sturgeon to be fixed on sturgeon operation bracket 4
From the opening escape between two upper poles 6.
The hook or shelf for hanging up and collecting sturgeon ovum container are additionally provided with inside the bracket 1.
The utility model has the beneficial effects that
The utility model solves the problems, such as to lay eggs during mandarin sturgeon artificial propagation, for the artificial propagation of Chinese sturgeon fry
It lays a good foundation, and can guarantee the survival rate of the mandarin sturgeon 100% after oviposition, be conducive to the continuity of population.
The utility model structure is simple, easy for operation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
A kind of sturgeon artificial induced spawning operating table, it includes bracket 1 and sturgeon operation bracket 4, and one end of bracket 1 is fixed with lantern ring
2, the other end setoff installation of bracket 1 has casing 3；The sturgeon operation bracket 4 by T shape mobile jib 5, structure it is two identical on enclose
7 groups of more arc-shaped connecting rods for capable of accommodating sturgeon body of bar 6 and adult fish shape structure that two upper poles 6 are connected with T shape mobile jib 5
At in the straight-bar end insertion of T shape mobile jib 5 lantern ring 2, in the side insertion of the cross bar of T shape mobile jib 5 casing 3.Institute
Flexible material layer is enclosed on the arc-shaped connecting rod 7 stated to prevent sturgeon body surface injured.The flexible material is cotton or bubble
Foam material.The upper pole 6 is made of straight bar section and pole section, and pole section and sturgeon head sizes match.The arc
The curved opening and radius of the radian of connecting rod 7 are from fish head part to fish tail portion tapers so as to the stream pre-large post-small with sturgeon
Linear shape matches.The front of the upper pole 6 is also connected with fixing belt and prevents so that sturgeon to be fixed on sturgeon operation bracket 4
Only it escapes from the opening between two upper poles 6.The hook for hanging up and collecting sturgeon ovum container is additionally provided with inside the bracket 1
Or shelf.
The present embodiment only provides a kind of structure type the most basic, and specific embodiment can be according to the dimensions of mandarin sturgeon
Array of surgical platform is made for using, associated components can also be designed to adjustable structure, so as to according to the size of mandarin sturgeon
It adjusts, to meet the needs for operation of hastening parturition.
The application method of the utility model is:
The mandarin sturgeon fishing for entering the onset of ovulation and being unable to spontaneous ovulation is discharged, is wrapped up in soft stomacher, it is practical new that lift is put into this
On the operating table of type, make its abdomen upward, optionally bound, then manual compression abdomen, from top to bottom, seed is from gonopore
Discharge, then with basin.If seed can't get out when squeezing out, can be scratched by the way that scalpel is protruded into gonopore, then squeezing arranges ovum
Out.After ovulation, then mandarin sturgeon is put into aquaculture pond to pedestrian's work ovulation induction again of waiting for the coming year.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (7)
1. a kind of sturgeon artificial induced spawning operating table, it is characterized in that it includes bracket (1) and sturgeon operation bracket (4), the one of bracket (1)
End is fixed with lantern ring (2), and the other end setoff installation of bracket (1) has casing (3)；The sturgeon operation bracket (4) is by T shape mobile jib
(5), identical two upper poles (6) of structure and adult fish shape structure that two upper poles (6) are connected with T shape mobile jib (5) can be held
Receive more arc-shaped connecting rods (7) composition of sturgeon body, in the straight-bar end insertion of T shape mobile jib (5) lantern ring (2), T shape master
In the side insertion of the cross bar of bar (5) casing (3).
2. sturgeon artificial induced spawning operating table according to claim 1, it is characterized in that being wrapped up on the arc-shaped connecting rod (7)
Flexible material layer is to prevent sturgeon body surface injured.
3. sturgeon artificial induced spawning operating table according to claim 2, it is characterized in that the flexible material is cotton or bubble
Foam material.
4. sturgeon artificial induced spawning operating table according to claim 1, it is characterized in that the upper pole (6) by straight bar section and
Pole section composition, pole section and sturgeon head sizes match.
5. sturgeon artificial induced spawning operating table according to claim 1, it is characterized in that the arc of the arc-shaped connecting rod (7)
Opening and radius of the radian match from fish head part to fish tail portion tapers with the pre-large post-small slender contour of sturgeon.
6. sturgeon artificial induced spawning operating table according to claim 1, it is characterized in that the front of the upper pole (6) also connects
Fixing belt is connected to so that sturgeon is fixed on sturgeon operation bracket (4) and prevents it from the opening escape between two upper poles (6).
7. sturgeon artificial induced spawning operating table according to claim 1, it is characterized in that being additionally provided with extension inside the bracket (1)
Put the hook or shelf for collecting sturgeon ovum container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041734.0U CN209436028U (en) | 2018-12-06 | 2018-12-06 | Sturgeon artificial induced spawning operating table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822041734.0U CN209436028U (en) | 2018-12-06 | 2018-12-06 | Sturgeon artificial induced spawning operating table |
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| Publication Number | Publication Date |
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| CN209436028U true CN209436028U (en) | 2019-09-27 |
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| CN201822041734.0U Expired - Fee Related CN209436028U (en) | 2018-12-06 | 2018-12-06 | Sturgeon artificial induced spawning operating table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109258528A (en) * | 2018-12-06 | 2019-01-25 | 江苏省淡水水产研究所 | Sturgeon artificial induced spawning operating table |
-
2018
- 2018-12-06 CN CN201822041734.0U patent/CN209436028U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109258528A (en) * | 2018-12-06 | 2019-01-25 | 江苏省淡水水产研究所 | Sturgeon artificial induced spawning operating table |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190927 Termination date: 20201206 |