CN104756912A - Artificial hatching pond for catfish - Google Patents
Artificial hatching pond for catfish Download PDFInfo
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- CN104756912A CN104756912A CN201510151890.0A CN201510151890A CN104756912A CN 104756912 A CN104756912 A CN 104756912A CN 201510151890 A CN201510151890 A CN 201510151890A CN 104756912 A CN104756912 A CN 104756912A
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- pond
- catfish
- pond body
- mesh sheet
- pipe
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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
The invention provides an artificial hatching pond for catfish. The artificial hatching pond for catfish comprises a pond body; a water feeding pipe is formed in the side surface of the pond body; at least one cycle of air distribution pipes is paved at the bottom part of the pond body and communicated with an air feeding pipe which is vertical to the bottom of the pond; a fry collecting pipe is downwards formed at the bottom part of the pond body; hanging rings are uniformly dispersed at the upper edges of opposite sidewalls of the pond body; each hanging ring is connected with a hanging hook; a net sheet which divide the pond into two parts is hung on each hanging hook at the corresponding position on the opposite sidewall. With the adoption of the artificial hatching pond for catfish, the hatching rate of catfish can be obviously increased; the survival rate of hatched fries is high; the economic benefit is increased; the artificial hatching pond is worthy of wide popularization.
Description
Technical field
The present invention relates to catfish breeding field, particularly a kind of catfish artificial incubation pond.
Background technology
Catfish (Silnrus asotus), be commonly called as native Nian, catfish, year fish, pool cowfish etc., be subordinate to Silurformes Nian section, be that China's distribution is wide and the important economic freshwater fish that output is high. due to reasons such as catfish individuality are comparatively large, growth is very fast, fine and tender taste is delicious, the market price is high and cultivation income is large, become the important cultivation object of China's fresh-water fish-culture industry at present.Because the key technology of catfish artificial propagation and some reproductive biology problem relevant with it solve not yet very well and verify, up to now, catfish artificial propagation efficiency is still lower.Catfish artificial incubation many employings pond net box Lentic hatching or hatchery miniflow water hatching pattern, incubation rate is low, urgently to be resolved hurrily.
Summary of the invention
For solving above-mentioned prior art Problems existing, the object of the present invention is to provide a kind of catfish artificial incubation pond, the incubation rate of catfish can be significantly improved, and the survival rate of fish fry of hatching is high, has good economic benefit, be worth promoting on a large scale.
For achieving the above object, technical scheme of the present invention is:
A kind of catfish raises hatchery, comprise pond body, pond body side surface has water inlet pipe, the gas distribution pipe at least one week is equipped with bottom the body of pond, gas distribution pipe is linked with the air inlet pipe at the bottom of vertical pond, has fry collecting pipe downwards bottom the body of pond, and the upper edge of pond body one opposing sidewalls is on average dispersed with link, each link is connected with hook, the hook of opposing sidewalls correspondence position is mounted with a mesh sheet.
Further, described fry collecting pipe mouth of pipe flue amplifies, and clogs with embolism.
Further, the upper edge that described pond body does not arrange link offers gap.
Further, described gap sealing cover one deck 60 order yarn thin,tough silk.
Further, described mesh sheet is 60 order mesh sheet.
Relative to prior art, beneficial effect of the present invention is:
Catfish artificial incubation pond of the present invention, delicate structure, with low cost, remarkably productive, the incubation rate of catfish can be significantly improved, and the survival rate of fish fry of hatching is high, has good economic benefit, is worth promoting on a large scale.
Accompanying drawing explanation
Fig. 1 is the pond body structure schematic diagram that catfish of the present invention raises hatchery.
Wherein, 1-water inlet pipe, 2-gas distribution pipe, 3-air inlet pipe, 4-link, 5-mesh sheet, 6-links up with, 7-gap, 8-fry collecting pipe, 81-embolism.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is described in further detail:
As shown in Figure 1, a kind of catfish artificial incubation pond, comprise pond body, pond body side surface has water inlet pipe 1, is equipped with the gas distribution pipe 2 at least one week bottom the body of pond, and gas distribution pipe 2 is linked with the air inlet pipe 3 at the bottom of vertical pond, fry collecting pipe 8 is had downwards bottom the body of pond, the upper edge of pond body one opposing sidewalls is on average dispersed with link 4, and each link 4 is connected with hook 6, and the hook 6 of opposing sidewalls correspondence position mounts a mesh sheet 5.
Further, described fry collecting pipe 8 mouth of pipe embolism 81 clogs.
Further, the upper edge that described pond body does not arrange link offers gap 7.
Further, described gap 7 sealing cover one deck 60 order yarn thin,tough silk.
Further, described mesh sheet 5 is 60 order mesh sheet.
The operation principle of apparatus of the present invention is:
In actual use, in mesh sheet 5 after cloth ovum, mesh sheet is hung on the hook of pond body, mesh sheet 5 is set to 60 orders, after the hatching of fish body, open the stopper of fry collecting pipe 8, juvenile fish is released from fry collecting pipe 8, injury when flaring mouth of pipe design can effectively prevent juvenile fish from releasing in a large number suddenly, fish body caused.The setting of gas distribution pipe 2 and air inlet pipe 3 bottom the body of pond, can keep oxygen content in the body of pond, gas distribution pipe has multiple aperture, evenly puts into fresh air or oxygen.
The method utilizing hatchery of the present invention to cultivate fry is:
The source of step one, parent population
Parent population is selected from the parent of wild type or the pond rearing of manually fishing for, and parent population requirement physically well develops, physique is healthy and strong, anosis without more than wound, 3 ages, and raun more than whose body weight 0.75kg, male body weight is at more than 0.25kg.
The cultivation of step 2, parent population
Point female, a male parent population is put into different cultivation ponds respectively and carries out concentrating and cultivate after parent being collected, and quantitatively throw something and feed every day nurturing period loach and wild fishes are thrown something and fed 2 times every day, day feeding volume be 3% ~ 5% of parent population body weight.Hasten parturition and carry out reinforced cultivating in first 1 month, feeding volume is 5% ~ 8% of parent population body weight.Every two weeks is washed by water 1 time, to promote parent population gonadal maturation.In addition, water plants such as some weter hyacinths of aquaculture, or sunshade should be set up, to prevent strong solar radiation.
Step 3, artificial induced spawning
Inject time: should carry out between 14:00-19:00, be directly put in spawning pond after parent's injection.
Injection system: adopt thoracic cavity abdomeinal fin base portion one pin injection, needle tubing inserts about 0.5-1cm, and injected dose is about lml, specifically looks parent's specification and takes the circumstances into consideration increase and decrease.
Injectable drug: 1500IUHCG+8 μ g LRH-A2+5mg DOM/kg, milter dosage reduces by half, and female, male parent population ratio is 1:1.
Spawning and fertilization: adopt artificial insemination, after hastening parturition, check in time, find that parent population is when starting to lay eggs, parent population all catches out, and selects extruding belly, and ovum grain is smooth, and in grass green, high resilience and transparent, ovum grain can the raun of smooth and easy outflow prepare to adopt ovum.Milter then carries out cutting open the belly getting spermary.Adopt crowded abdomen method to adopt ovum, portion's abdomen crushing grinding method semen collection, semi-dry process is inseminated.By even for ovum cloth in specification be 2m × 1.5m 60 order mesh sheet on, mesh sheet is aluminum alloy frame, the hook that 4 welded corner joint 7cm are long, is laid in cloth ovum groove, cloth ovum recess gauge lattice 2.2 × 1.6m × 0.15m by mesh sheet, cloth ovum groove is placed on the table top of high 1-1.2m, one end intakes, and the mouth of a river is outputed from bottom land 10cm place in one end, ensures cloth ovum groove miniflow water state, the complete ovum of cloth, after ovum imbibition is sticky glutinous, takes out mesh sheet.
Step 4, hatching
Hatchery is the rectangle cement pit of 4m × 2m × 1.8m, in advance through disinfectant water sterilization, enclose at the bottom of pond and spread a circle nanometer micropore pipeline oxygen increasing equipment, water inlet pipe is established in one end, the gap of 30cm × 20cm × 6cm is established far from 1.6m place at the bottom of pond in one end, gap 60 order yarn thin,tough silk is anti-to be escaped, ensure depth of water 1.5m, Spawning water is the ecological purification Chi Shui filtered through 120 order yarn thin,tough silk, adopt hatchery miniflow water shading hatching, sunshade shading treatment is done on top, hatchery, pond water management exchanges once at every 3h, both sides, top, hatchery are symmetrical arranged clasp far from 15cm place, top at interval of 25cm, each hatchery establishes clasp 15 right, the hook at the two ends, mesh sheet side being stained with fertilized egg is linked into clasp, make to be hung vertically in water body according to Action of Gravity Field, ensure that mesh sheet immerses underwater about 5cm, mesh sheet 15 is placed in each hatchery.Make between surrounding senior middle school lower slightly bottom hatchery, form certain slope, centre establishes the fry collection channel of diameter 10cm to pass to fry collection place, clogs during hatching with embolism.
Step 5, fry are collected: can swim voluntarily to hatchery after fry hatching membrane, after 1-2d, be unpluged by fry collection channel embolism, and fry enters with passage and receives ovum place.Catfish seedling kills and devour habit, will collect open-mouthed bait of throwing something and feeding in time, with the wheel animalcule of sterilizing and small-sized cladocera opening as well.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. a catfish artificial incubation pond, it is characterized in that, comprise pond body, pond body side surface has water inlet pipe, is equipped with the gas distribution pipe at least one week bottom the body of pond, gas distribution pipe is linked with the air inlet pipe at the bottom of vertical pond, have fry collecting pipe downwards bottom the body of pond, the upper edge of pond body one opposing sidewalls is on average dispersed with link, and each link is connected with hook, the hook of opposing sidewalls correspondence position is mounted with at least one mesh sheet, pond body is divided into two parts by described mesh sheet.
2. hatchery according to claim 1, is characterized in that, described fry collecting pipe mouth of pipe flue amplifies, and clogs with embolism.
3. hatchery according to claim 1, is characterized in that, the upper edge that described pond body does not arrange link offers gap.
4. hatchery according to claim 3, is characterized in that, described gap sealing cover one deck 60 order yarn thin,tough silk.
5. hatchery according to claim 1, is characterized in that, described mesh sheet is 60 order mesh sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151890.0A CN104756912A (en) | 2015-04-01 | 2015-04-01 | Artificial hatching pond for catfish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151890.0A CN104756912A (en) | 2015-04-01 | 2015-04-01 | Artificial hatching pond for catfish |
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| CN104756912A true CN104756912A (en) | 2015-07-08 |
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| CN201510151890.0A Pending CN104756912A (en) | 2015-04-01 | 2015-04-01 | Artificial hatching pond for catfish |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165694A (en) * | 2015-11-02 | 2015-12-23 | 山东省冠县合顺渔业专业合作社 | Artificial propagation method for F1 generation of snow arowana |
| CN107318720A (en) * | 2017-08-02 | 2017-11-07 | 中国水产科学研究院南海水产研究所热带水产研究开发中心 | A kind of clown fish hatches ovum collecting device |
Citations (8)
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| US4370947A (en) * | 1981-04-13 | 1983-02-01 | Hilken Mark A | Tropical fish egg incubator |
| CN1263703A (en) * | 1999-02-15 | 2000-08-23 | 湖南师范大学 | Method for breeding triploid crucian carp (common carp) and apparatus thereof |
| RU2155478C1 (en) * | 1998-12-25 | 2000-09-10 | Всероссийский научно-исследовательский институт рыбного хозяйства и океанографии | Fish caviar incubation apparatus |
| CN201839704U (en) * | 2010-11-22 | 2011-05-25 | 中国水产科学研究院长江水产研究所 | Device for hatching and cultivating fish seed |
| CN201976594U (en) * | 2011-04-07 | 2011-09-21 | 江苏省淡水水产研究所 | Odontobutis obscura artificial incubation pond |
| CN102599091A (en) * | 2012-03-26 | 2012-07-25 | 浙江海洋学院 | Hybrid propagation method and fertilized ovum hatching device for loach |
| CN202750575U (en) * | 2012-07-25 | 2013-02-27 | 江苏省淡水水产研究所 | Odontobutis obscurus hatching device |
| CN103004655A (en) * | 2012-11-29 | 2013-04-03 | 大连棒棰岛海参发展有限公司 | Outdoor cultivation net cage for stichopus japonicus ecological seeds |
-
2015
- 2015-04-01 CN CN201510151890.0A patent/CN104756912A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370947A (en) * | 1981-04-13 | 1983-02-01 | Hilken Mark A | Tropical fish egg incubator |
| RU2155478C1 (en) * | 1998-12-25 | 2000-09-10 | Всероссийский научно-исследовательский институт рыбного хозяйства и океанографии | Fish caviar incubation apparatus |
| CN1263703A (en) * | 1999-02-15 | 2000-08-23 | 湖南师范大学 | Method for breeding triploid crucian carp (common carp) and apparatus thereof |
| CN201839704U (en) * | 2010-11-22 | 2011-05-25 | 中国水产科学研究院长江水产研究所 | Device for hatching and cultivating fish seed |
| CN201976594U (en) * | 2011-04-07 | 2011-09-21 | 江苏省淡水水产研究所 | Odontobutis obscura artificial incubation pond |
| CN102599091A (en) * | 2012-03-26 | 2012-07-25 | 浙江海洋学院 | Hybrid propagation method and fertilized ovum hatching device for loach |
| CN202750575U (en) * | 2012-07-25 | 2013-02-27 | 江苏省淡水水产研究所 | Odontobutis obscurus hatching device |
| CN103004655A (en) * | 2012-11-29 | 2013-04-03 | 大连棒棰岛海参发展有限公司 | Outdoor cultivation net cage for stichopus japonicus ecological seeds |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165694A (en) * | 2015-11-02 | 2015-12-23 | 山东省冠县合顺渔业专业合作社 | Artificial propagation method for F1 generation of snow arowana |
| CN105165694B (en) * | 2015-11-02 | 2018-05-29 | 山东省冠县合顺渔业专业合作社 | A kind of snow dragonfish F1 generation artificial fecundation method |
| CN107318720A (en) * | 2017-08-02 | 2017-11-07 | 中国水产科学研究院南海水产研究所热带水产研究开发中心 | A kind of clown fish hatches ovum collecting device |
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Application publication date: 20150708 |
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