CN100426957C - Factorized net cage seedling nursery method for Procambarusclarbii - Google Patents
Factorized net cage seedling nursery method for Procambarusclarbii Download PDFInfo
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- CN100426957C CN100426957C CNB2007100204579A CN200710020457A CN100426957C CN 100426957 C CN100426957 C CN 100426957C CN B2007100204579 A CNB2007100204579 A CN B2007100204579A CN 200710020457 A CN200710020457 A CN 200710020457A CN 100426957 C CN100426957 C CN 100426957C
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- net cage
- shrimp
- seedling
- net
- pond
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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 invention provides a method for breeding Krause's crayfish in net cage in factory, and relates to an artificial method for breeding shrimp in fresh water. It comprises following steps: (1) sterilizing and washing seeding pool; (2) setting net cage in place 20- 40 cm away from bottom; (3) releasing shrimp with eggs to net cage with density of 10- 80 per square meter, feeding artificial fertilizer, the shrimp with egg hatching in net cage, and when the larval grows to shrimp of III stage it will separate from mother and falls out of net cage; (4) dressing biological organic fertilizer in seeding pool, culturing larval to become 2- 5 cm larval and getting the product. The auxiliary net is set between net cage and bottom of pool to prevent shrimp from mutual killing, the auxiliary is 10- 30 cm far away from pool bottom. The invention is characterized in that it can reduce the mutual killing between prawns and shrimp larval, increase seeding rate for shrimp, reduce breeding cost and improve economical benefit.
Description
Technical field
The present invention relates to a kind of artificial fecundation method of economic freshwater shrimps.
Background technology
The industrial artificial seedling rearing mode of Procambius clarkii generally includes the mating of the cultivation of close shrimp, close shrimp, the cultivation three big steps of the young.Wherein the breeding method of first step parent shrimp is: close shrimp is cultivated in nursery pond to sexual maturity; Second step mating method of close shrimp is: natural mating in the pond, lay eggs, hatch; The 3rd breeding method that goes on foot the young is: execute manure of livestock and poultry fertile and throw something and feed artificial feed, pasture and water in water body, larval culture is become 3～5 centimetres of standard commodities shrimp seedlings and sale.This artificial raise seedling method exists close shrimp mating rate and spawning rate lower, and the young of different size and close shrimp are grown in same water body, the rate of killing each other height, the defective that survival rate is low.In view of this, it is 200610161560.0 that the applicant has proposed number of patent application on December 28th, 2006, name is called the patent application of the industrial artificial propagation method of a kind of Procambius clarkii, be intended to improve close shrimp egg laying rate of red swamp by the mode that seawater is induced, by improve water quality, the mode of the pasture and water of planting increases latent keeping away property, the mode of supporting by people's work point reduces the rate of killing each other.Yet people's work point is supported and is also existed some low such as efficiency, problems such as go-on-go time inaccuracy.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, the Factorized net cage seedling nursery method of a kind of Procambius clarkii that reduces cannibalisation, raising shrimp seedling incubation rate, the reduction seedling cost between close shrimp prawn seedling and shrimp seedling and increase economic efficiency is provided.
Technical solution of the present invention is: the Factorized net cage seedling nursery method of a kind of Procambius clarkii, and its step comprises at least: one, nursery pond is carried out disinfection and wash; Two, 20～40 centimeters are provided with net cage at the bottom of the distance pond; Three, the density by 10～80 every square metre is thrown in shrimp with ovums in net cage, and the artificial feed of throwing something and feeding, shrimp with ovums are incubated seedling in net cage, and the young that hatches just can break away from parent after growing to III phase shrimp seedling, falls to from mesh outside the net cage; Four, in nursery pond, execute biological organic fertilizer, the feed of throwing something and feeding, when larval culture is grown 2～5 centimetres of specifications to body, become the commercial sized prawn seedling.
In order to prevent killing each other between different size shrimp seedling, between at the bottom of net cage and the pond, auxilliary net is set, auxilliary net at the bottom of the pond 10～30 centimetres.
Described nursery pond disinfectant method is to be that the chlorinated product of 50～100 mg/litre carries out disinfection to nursery pond with concentration.
3～30 square metres of described auxilliary web area, auxilliary network planning lattice are 5～80 orders.
2～20 square metres of the floor spaces of described net cage, height are 0.5～1.0 meter, and mesh is 0.5～1.5 centimetre.
Use method provided by the present invention to have following advantage: 1, shrimp with ovums is incubated seedling in net cage, and the young that hatches just can break away from parent after growing to III phase shrimp seedling, falls to from mesh outside the net cage, and the shrimp seedling is separated with close shrimp, prevents that the shrimp seedling from being massacreed by close shrimp.2, the shrimp seedling energy that just falls down from net cage is poor; easily by big individual shrimp seedling cannibalisation; utilize the protective effect of auxilliary net this moment, make the shrimp seedling auxilliary climb to nursery pond again after growing to the stronger juvenile prawn of energy on the net at the bottom of or continued growth on the pasture and water, help reducing killing each other between the shrimp seedling.Therefore use the rate of the growing seedlings height, good in economic efficiency of this method artificial breeding Procambius clarkii.
Specific embodiments
Embodiment one
The method of the Factorized net cage seedling nursery of a kind of Procambius clarkii is: one, with 100 mg/litre bleaching powder nursery pond carried out disinfection 5～10 minutes earlier, and clean with flushing with clean water again; Two, with iron wire 10 purpose net sheets are fixed into the auxilliary net in a plane, 25 square metres of auxilliary web area, and support keeping parallelism at the bottom of auxilliary net and the pond with stake, assisting the distance of net at the bottom of the pond is 10 centimetres; Three, be that 1.0 meters, mesh are that 0.5 centimetre net cage is suspended on directly over the auxilliary net with 20 square metres of floor spaces, height, keep 10 cm distance with auxilliary net at the bottom of the case; Four, place net cage to cultivate by 20 every square density shrimp with ovums and incubate seedling, the artificial pellet of throwing something and feeding therebetween after the young that hatches is through 2～3 shells, grows to III phase shrimp seedling, just leaves parent, and pass fall to behind the mesh auxilliary online; Five, at the auxilliary online artificial feed of throwing in, the shrimp seedling that falls down from the net cage eye is executed biological organic fertilizer and artificial feed in auxilliary online growth in nursery pond, climb out of from auxilliary net after the shrimp seedling shell 2～3 times, enter at the bottom of the pond or in the pasture and water and grow, can rise during to 2～5 centimetres of specifications of body length and catch sale.
Embodiment two
A kind of method of Procambius clarkii Factorized net cage seedling nursery is: one, elder generation carried out disinfection 5 minutes to nursery pond with the strong chlorine oil of 50 mg/litre, and is clean with flushing with clean water again; Two, with bamboo pole 80 purpose net sheets being fixed into several areas is 3 square metres the auxilliary net in plane, and supports auxilliary net and keeping parallelism at the bottom of the pond with steel pipe, and assisting the height of net at the bottom of the pond is 40 centimetres, is " tea table " shape; Three, be 2 square metres with some floor spaces, height is 0.5 meter, and mesh is that 0.5 centimetre net cage is suspended on respectively directly over each auxilliary net, keeps 20 cm distance with auxilliary net at the bottom of the case; Four, place net cage to cultivate by 80 every square density shrimp with ovums and incubate seedling, the artificial feed of throwing something and feeding therebetween after the young that hatches is through 2～3 shells, just leave parent, and pass fall to behind the net cage eye auxilliary online; Five, at the auxilliary online artificial feed of throwing in, the shrimp seedling that falls down from the net cage eye is executed biological organic fertilizer and artificial feed in auxilliary online growth in nursery pond, climb out of from auxilliary net after the shrimp seedling shell 2～3 times, enter at the bottom of the pond or in the pasture and water and grow, can rise during to 2～5 centimetres of specifications of body length and catch sale.
Embodiment three
The method of the Factorized net cage seedling nursery of a kind of Procambius clarkii is: one, elder generation carried out disinfection 7 minutes to nursery pond with the chlorine dioxide of 80 mg/litre, and is clean with flushing with clean water again; Two, be 2～20 square metres with area, height is 0.5～1.0 meter, and mesh is that 0.5～1.5 centimetre net cage is suspended in the pond, keeps 10～40 cm distance at the bottom of at the bottom of the case and the pond; Three, the density of shrimp with ovums by 50 every square is placed the net cage cultivation and incubates seedling, after the young that hatches is through 2～3 shells, just leave parent, and fall at the bottom of the nursery pond after passing the net cage eye; Four, in nursery pond, throw in artificial feed, execute biological organic fertilizer, the shrimp seedling that from the net cage eye, falls down at the bottom of the pond or pasture and water grow, can rise during to long 2～5 centimetres of specifications of body and catch sale.
Claims (5)
1, the Factorized net cage seedling nursery method of a kind of Procambius clarkii is characterized in that its step comprises at least: one, nursery pond is carried out disinfection and wash; Two, 20～40 centimeters are provided with net cage at the bottom of the distance pond; Three, the density by 10～80 every square metre is thrown in shrimp with ovums in net cage, and the artificial feed of throwing something and feeding, shrimp with ovums are incubated seedling in net cage, and the young that hatches just can break away from parent after growing to III phase shrimp seedling, falls to from mesh outside the net cage; Four, in nursery pond, execute biological organic fertilizer, the feed of throwing something and feeding, when larval culture is grown 2～5 centimetres of specifications to body, become the commercial sized prawn seedling.
2, according to the Factorized net cage seedling nursery method of the described a kind of Procambius clarkii of claim 1, it is characterized in that: between at the bottom of net cage and the pond, auxilliary net is set, auxilliary net at the bottom of the pond 10～30 centimetres.
3, according to the Factorized net cage seedling nursery method of the described a kind of Procambius clarkii of claim 1, it is characterized in that: described nursery pond disinfectant method is to be that the chlorinated product of 50～100 mg/litre carries out disinfection to nursery pond with concentration.
4, according to the Factorized net cage seedling nursery method of the described a kind of Procambius clarkii of claim 1, it is characterized in that: the floor space of described net cage is 2～20 square metres, and height is 0.5～1.0 meter, and mesh is 0.5～1.5 centimetre.
5, according to the Factorized net cage seedling nursery method of the described a kind of Procambius clarkii of claim 2, it is characterized in that: described auxilliary web area is 3～30 square metres, and auxilliary network planning lattice are 5～80 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100204579A CN100426957C (en) | 2007-03-01 | 2007-03-01 | Factorized net cage seedling nursery method for Procambarusclarbii |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100204579A CN100426957C (en) | 2007-03-01 | 2007-03-01 | Factorized net cage seedling nursery method for Procambarusclarbii |
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| CN101015285A CN101015285A (en) | 2007-08-15 |
| CN100426957C true CN100426957C (en) | 2008-10-22 |
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| CNB2007100204579A Expired - Fee Related CN100426957C (en) | 2007-03-01 | 2007-03-01 | Factorized net cage seedling nursery method for Procambarusclarbii |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856000B (en) * | 2010-06-24 | 2011-11-16 | 浙江省淡水水产研究所 | Procambrus clarkii indoor artificial propagation method |
| CN102308769B (en) * | 2011-07-22 | 2012-12-19 | 中国水产科学研究院淡水渔业研究中心 | Exopalaemon modestus fry culturing method through combining net cage with aquarium |
| CN102499158B (en) * | 2011-11-15 | 2014-05-21 | 河北省海洋与水产科学研究院 | High-density industrial seed culture method for freshwater shrimps |
| CN105230544A (en) * | 2015-10-30 | 2016-01-13 | 湖北省小龙虾良种选育繁育中心有限公司 | Artificial breeding method for crayfishes in net cage |
| CN107683809A (en) * | 2017-10-17 | 2018-02-13 | 张颢 | A kind of Shallow Fresh high density solid net cage artificial breeding method of red huge legendary turtle huge legendary turtle shrimp |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007006795A (en) * | 2005-06-30 | 2007-01-18 | Sumitomo Osaka Cement Co Ltd | Surf-livings-raising fishbank and method for raising surf-livings |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007006795A (en) * | 2005-06-30 | 2007-01-18 | Sumitomo Osaka Cement Co Ltd | Surf-livings-raising fishbank and method for raising surf-livings |
Non-Patent Citations (6)
| Title |
|---|
| 克氏螯虾人工繁殖与育苗技术. 李林春，段鸿斌.安徽农业科学，第33卷第8期. 2005 |
| 克氏螯虾人工繁殖与育苗技术. 李林春，段鸿斌.安徽农业科学，第33卷第8期. 2005 * |
| 淡水龙虾仿生态养殖技术之三－大水面网箱仿生态精养淡水龙虾. 凌剑，陈玲.渔业致富指南，第22期. 2005 |
| 淡水龙虾仿生态养殖技术之三－大水面网箱仿生态精养淡水龙虾. 凌剑，陈玲.渔业致富指南，第22期. 2005 * |
| 罗氏沼虾网箱养殖技术. 金乃康，朱迪.北京水产，第5期. 2000 |
| 罗氏沼虾网箱养殖技术. 金乃康，朱迪.北京水产，第5期. 2000 * |
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