CN203633328U - Loach hatching device - Google Patents
Loach hatching device Download PDFInfo
- Publication number
- CN203633328U CN203633328U CN201320825973.XU CN201320825973U CN203633328U CN 203633328 U CN203633328 U CN 203633328U CN 201320825973 U CN201320825973 U CN 201320825973U CN 203633328 U CN203633328 U CN 203633328U
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- CN
- China
- Prior art keywords
- hatching
- loach
- net
- circular
- channal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model belongs to the field of loach hatching technologies and particularly relates to a loach hatching device. The loach hatching device comprises a hatching annular way outer layer, a hatching annular way, a hatching annular way inner layer, water inlet holes, a drain pipe and a hatching net. The water inlet holes are evenly distributed in the bottom of the hatching annular way, and the drain pipe is located in the hatching annular way inner layer. The hatching net is in a column-shaped circular ring shape and is composed of a hatching net inner side face, a hatching net outer side face and a hatching net bottom face. The hatching net can move and can move in or out of the hatching annular way. The loach hatching device eliminates negative influences in the traditional hatching process, and avoids the loss of male killing and the loss of a large number of female parents due to egg squeezing in the ovulating process; in addition, sufficient natural mating, spawning and fertilizing of loach parents in a micro flowing water environment are achieved, and the ovulation quality and the fertility rate of the female parents are improved beneficially; meanwhile, fertilized ova can be automatically separated from the parents at any time, the loss of ovum eaten by the parents can be avoided and the hatching process is friendly to environment and natural, so the loach hatching device has good popularization value and application value.
Description
Technical field
The utility model belongs to loach hatching technique field, is specifically related to a kind of loach hatching apparatus.
Background technology
In loach artificial breeding process, generally adopt the injection of hastening parturition, gametocide is got essence, female crowded ovum, the process of mixing fertilization.In this process, the disposable loss of male this meeting, and female can because crowded ovum is injured, the half of dying be even more, has affected to a certain extent economic benefit.
Summary of the invention
The utility model object is to provide a kind of loach hatching apparatus.
The technical solution adopted in the utility model is as follows:
A kind of loach hatching apparatus, this device comprises circular hatching channal skin, circular hatching channal, circular hatching channal internal layer, inlet opening, drainpipe and hatching net;
In described circular hatching channal, layer height is less than the outer layer height of circular hatching channal;
Described inlet opening is evenly arranged in circular hatching channal bottom, and described drainpipe is positioned at circular hatching channal internal layer;
Described hatching net is column annular, is made up of hatching net medial surface, hatching net lateral surface and hatching net bottom face; Hatching net is removable, can freely move into or shift out circular hatching channal.
Described loach hatching apparatus, comprises preferably filter screen, and filter screen is connected with circular hatching channal internal layer.
Described filter screen comprises upper end retainer ring, lower end retainer ring, between upper end retainer ring, lower end retainer ring, is installed with several supports, and filter screen entirety is handstand circular platform type structure, and round platform periphery is provided with filter screen body; Circular hatching channal is divided into inhalant region and two of catchments part by filter screen.
Filter screen can be fixed in circular hatching channal internal layer by lower end retainer ring, or on circular hatching channal internal layer, also can make movable type, is convenient to move into or shift out.
Filter screen body is that flexible material is made, preferably nylon wire; And its mesh is 300 ~ 500 orders.
Drainpipe is height-adjustable type drainpipe, and drainpipe height is that water outlet height is adjustable, can differently from incubation period carry out water level adjusting according to the loach egg-laying period.
Hatching net medial surface, hatching net lateral surface and hatching net bottom face all adopt network structure, and mesh is 8 ~ 10 orders.
Described loach hatching apparatus, the outer layer height 120cm of circular hatching channal, in circular hatching channal, layer height is 40cm, hatching net height is 40cm.
Described loach hatching apparatus, inlet opening water inlet water velocity is adjustable, can control according to loach spawning and hatching stage difference impulse force and the flow velocity of miniflow water in circular hatching channal.
Loach hatching apparatus provided by the utility model provides a natural miniflow water environment for the female male parent of the loach after hastening parturition, and has realized loach parent and has concentrated natural spawning, has greatly improved fertilization rate, reduces the loss of parent in loach hatching process simultaneously; In addition by regulating the flow velocity of miniflow water in circular hatching channal and the immigration timely of hatching net, shifting out, can realize hatching ovum separates with the timely of parent, can effectively reduce the destruction of parent to ovum, ensure egg laying amount, thereby belong to the ecology hatching modes of reproduction of a kind of loach.
Loach hatching apparatus provided by the utility model can directly improve on existing loach hatching facility basis, install hatching net and filter screen additional, thereby improvement cost is cheap; Loach hatching apparatus provided by the utility model has overcome the adverse effect that original traditional hatching process produces, and has avoided causing female dead losses in a large number because squeezing ovum in the loss of gametocide and ovulation process; And due to loach hatching process ecological natural, be conducive to improve ovulation quality and the fertilization rate of female, thereby the utlity model has good application value.
Accompanying drawing explanation
Fig. 1 is the perspective view that the utility model placement filter screen is not placed hatching net;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the utility model hatching net perspective view.
Embodiment
Below in conjunction with embodiment, the utility model is further explained to explanation.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, loach hatching apparatus provided by the utility model, comprises circular hatching channal skin 1, circular hatching channal 8, circular hatching channal internal layer 6, drainpipe 5, inlet opening 7 and hatching net; Comprise preferably filter screen 3.
Drainpipe 5 is height-adjustable type drainpipe, and drainpipe 5 is highly that water outlet height is adjustable, can differently from incubation period carry out water level adjusting according to the loach egg-laying period.
Hatching net is column annular, is made up of hatching net medial surface 9, hatching net lateral surface 10 and hatching net bottom face 11; Hatching net is removable, can move into or shift out circular hatching channal 8.Hatching net medial surface 9, hatching net lateral surface 10 and hatching net bottom face 11 all adopt network structure, and mesh is 8 ~ 10 orders.
Described loach hatching apparatus, the outer 1 height 120cm of circular hatching channal, circular hatching channal internal layer 6 is highly 40cm, and filter screen 3 is highly 80cm, and hatching net height is 40cm.
When loach hatching, filter screen 3 is connected with circular hatching channal internal layer 6, hatching net is positioned in circular hatching channal 8, after placement completes, heighten the height of drainpipe 5, inlet opening 7 starts to add water, and regulates water intake velocity, make the interior formation miniflow of circular hatching channal 8 water, the male and female loach parent that now can place in proportion after hastening parturition enters hatching net.This stage can keep the miniflow water of higher level and larger flow velocity in circular hatching channal, guarantees separating of loach parent and ovum so that provide more space.After loach parent is laid eggs, the hatching net that is placed with parent is removed together with parent, reduce the height of drainpipe 5 simultaneously, reduce the water level in circular hatching channal 8 and adjust miniflow water flow velocity, start to hatch.
Because loach hatching apparatus provided by the utility model provides a natural miniflow water environment for the female male parent of the loach after hastening parturition, realize loach parent and concentrated natural spawning, greatly improve fertilization rate, reduce the loss of parent in loach hatching process simultaneously; In addition by regulating the flow velocity of miniflow water in circular hatching channal and the immigration timely of hatching net, shifting out, can realize hatching ovum separates with the timely of parent, can effectively reduce the destruction of parent to ovum, ensure egg laying amount, thereby belong to the ecology hatching modes of reproduction of a kind of loach.
Claims (7)
1. a loach hatching apparatus, is characterized in that, this device comprises circular hatching channal skin, circular hatching channal, circular hatching channal internal layer, inlet opening, drainpipe and hatching net;
In described circular hatching channal, layer height is less than the outer layer height of circular hatching channal;
Described inlet opening is evenly arranged in circular hatching channal bottom, and described drainpipe is positioned at circular hatching channal internal layer;
Described hatching net is column annular, is made up of hatching net medial surface, hatching net lateral surface and hatching net bottom face; Hatching net freely moves into or shifts out circular hatching channal.
2. loach hatching apparatus as claimed in claim 1, is characterized in that, this hatching apparatus includes filter screen, and filter screen is connected with circular hatching channal internal layer.
3. loach hatching apparatus as claimed in claim 2, it is characterized in that, described filter screen comprises upper end retainer ring, lower end retainer ring, between upper end retainer ring, lower end retainer ring, is installed with several supports, filter screen entirety is handstand circular platform type structure, and round platform periphery is provided with filter screen body.
4. loach hatching apparatus as claimed in claim 3, is characterized in that, filter screen body is that flexible material is made, and its mesh is 300 ~ 500 orders.
5. loach hatching apparatus as claimed in claim 1, is characterized in that, drainpipe is height-adjustable type drainpipe.
6. loach hatching apparatus as claimed in claim 1, is characterized in that, hatching net medial surface, hatching net lateral surface and hatching net bottom face all adopt network structure, and mesh is 8 ~ 10 orders.
7. loach hatching apparatus as claimed in claim 1, is characterized in that, the outer layer height 120cm of circular hatching channal, and in circular hatching channal, layer height is 40cm, hatching net height is 40cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825973.XU CN203633328U (en) | 2013-12-16 | 2013-12-16 | Loach hatching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825973.XU CN203633328U (en) | 2013-12-16 | 2013-12-16 | Loach hatching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203633328U true CN203633328U (en) | 2014-06-11 |
Family
ID=50864628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825973.XU Expired - Fee Related CN203633328U (en) | 2013-12-16 | 2013-12-16 | Loach hatching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203633328U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104082202A (en) * | 2014-06-17 | 2014-10-08 | 怀远县孔津湖农业开发有限公司 | Misgurnus anguillicaudatus spawning and hatching loop |
| CN112042571A (en) * | 2020-09-14 | 2020-12-08 | 广西壮族自治区水产引育种中心 | Breeding system and method for native carps in rice field |
-
2013
- 2013-12-16 CN CN201320825973.XU patent/CN203633328U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104082202A (en) * | 2014-06-17 | 2014-10-08 | 怀远县孔津湖农业开发有限公司 | Misgurnus anguillicaudatus spawning and hatching loop |
| CN112042571A (en) * | 2020-09-14 | 2020-12-08 | 广西壮族自治区水产引育种中心 | Breeding system and method for native carps in rice field |
| CN112042571B (en) * | 2020-09-14 | 2022-03-04 | 广西壮族自治区水产引育种中心 | Breeding system and method for native carps in rice field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20201216 |