CN101692795A - Method for culturing crabs in seawater by using breeding cage - Google Patents
Method for culturing crabs in seawater by using breeding cage Download PDFInfo
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- CN101692795A CN101692795A CN200910187984A CN200910187984A CN101692795A CN 101692795 A CN101692795 A CN 101692795A CN 200910187984 A CN200910187984 A CN 200910187984A CN 200910187984 A CN200910187984 A CN 200910187984A CN 101692795 A CN101692795 A CN 101692795A
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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 a method for culturing crabs in the seawater by using a breeding cage, which can complete the cultivation of the crabs through the process of selecting a culture area, arranging the breeding cage, putting bait into the breeding cage, bait natural propagation and ingestion as well as harvesting. The breeding cage has the structure that a cage frame is made of a steel tube and is covered by a packet net at the periphery; and a cage body is internally provided with a polygonal artificial reef which is attached and fixed with a decrustation box. The method has the advantages that 1. the crabs can be cultured by the seawater breeding cage; 2. the crabs can be prevented from escaping and being invaded by external natural enemy; 3. the bait can be conveniently thrown into the cage; 4. micro-ecological environment can be created by the artificial reef, so as to be beneficial to generating living bait eaten by the crabs; 5. the decrustation box can be used for ensuring the safety of crab decrustation; and 6. as the crabs cultured inside the breeding cage has high growing speed, the bait can be saved, and the yield is high. Therefore, the method is suitable for being applied to seawater breeding metal of the crabs.
Description
Technical field
What the present invention proposed is that aquatic animal is cultured the method for the breeding cage in field the seawater breeding crab.
Background technology
Before the present invention proposed, crab can't be cultured in net cage, kept temporary transient raising by beating air or oxygen in the container in can only the environment outside seawater.
Summary of the invention
In order to culture crab by the natural imitation environment, the present invention proposes the method for breeding cage the seawater breeding crab.This method utilizes breeding cage to carry out the breed of crab, solves crab growth and the technical problem of fattening fast.
The scheme of technical solution problem of the present invention is:
1, culturing area is selected: according to the degree of depth of seashore seawater and the situation at the bottom of the beach, select slow seashore phytal zone, water region as culturing area.The sea water advanced position of selecting the ebb tide water surface and cage mouth to maintain an equal level is provided with breeding cage.
2, breeding cage is set: the structure of breeding cage: being cylindrical shape with steel pipe by interconnecting to make down, upward is the cage of platform taper.As the bag net, the network interface of the pocket-like that can tighten up is left in the upper end suitable for reading of bag net at the peripheral wrapped multiple net of cage, and the cage bottom is connected with the metal spacer screen.Be provided with polygonal artificial reef in the cage that cage and bag net constitute, have artificial reef hole in the artificial reef, staggered adhering to is fixed with the decortication box on the artificial reef.One side of decortication box is provided with import, and the bottom is provided with sand bed, and the top of cage is provided with the cage mouth.The outside at the bottom of cage bag net is enclosed with the protecting against shock cover.
3, throw in bait: throw in fishes and shrimps bait once a day by network interface.
4, bait natural propagation with search for food: utilize artificial reef to create micro-ecological environment, breed fishes and shrimps living body biological bait naturally and eat for crab.
5, results: during results, cage is sling, the people enters results finished product crab in the cage.
Good effect, breeding cage of the present invention is in the advantage of seawater breeding crab: realized 1, that mariculture is raised in cages and grown crab; 2, can prevent crab escape or the invasion of external natural enemy; 3, throw in bait conveniently; 4, artificial reef can be created micro-ecological environment, and it is edible for crab to help producing living bait; 5, utilize the decortication box to guarantee crab decortication safety; 6, culture the crab fast growth in the breeding cage, save bait, the crop height.Suitable crab is used in the seawater breeding technology.
Description of drawings
Fig. 1 is crab cultivation basket structure figure of the present invention
Fig. 2 is crab cultivation cage metal bottom network plane figure of the present invention
Fig. 3 is the present invention's box structure chart of peeling
Fig. 4 is the artificial reef structure chart of the present invention
Fig. 5 places breeding cage intermediateness figure for artificial reef of the present invention and decortication box
Among the figure, 1. cage, 2. bag net, 2.1. network interface, 3. metal spacer screen, 4. artificial reef, the artificial reef hole of 4.1., 5. decortication box, 5.1. import, 5.2. sand bed, 6. cage mouth, 7. protecting against shock cover.
Embodiment
1, culturing area is selected
According to the degree of depth of seashore seawater and the situation at the bottom of the beach, select slow seashore phytal zone, water region as culturing area.
2, breeding cage is set
The sea water advanced position of selecting the ebb tide water surface and cage mouth to maintain an equal level is provided with breeding cage.
The structure of breeding cage: shown in Fig. 1-5, be cylindrical shape with steel pipe by interconnecting to make down, go up and be the cage 1 of platform taper, at the peripheral wrapped multiple net of cage as bag net 2, the network interface 2.1 of the pocket-like that can tighten up is left in the upper end suitable for reading of bag net, the cage bottom is connected with metal spacer screen 3, in the cage inner chamber that cage and bag net constitute, be provided with polygonal artificial reef 4, has artificial reef hole 4.1 in it, staggered adhering to is fixed with decortication box 5 on artificial reef, and a side of decortication box is provided with import 5.1, and the bottom is provided with sand bed 5.2, the top of cage is provided with cage mouth 6, is enclosed with protecting against shock cover 7 in the outside of the bottom of cage bag net.
The selection of mesh according to the kind of breed crab and size, selects fishing net less than the eyelet of crab volume 1/3rd as the bag net, and the bag net can be provided with one deck to multilayer.
3, throw in bait
After network interface 2.1 opened, in cage, throw in fishes and shrimps bait, edible for crab.Throw in once every day.
4, bait natural propagation with search for food
For fishes and shrimps, the crab excreta has trophism and edibility.So, can self-sow inside and outside artificial reef algae, algae can grow after absorbing the crab excreta fast, for small fish and shrimp and aquatile provide food, set hole is protected the place for it provides on the artificial reef simultaneously, forms small ecotope.Simultaneously, after small fish and shrimp and biology are grown up, can become the living bait of crab.
5, results can be gathered in the crops to can eat the time at any time when crab grows up, and during results, cage are sling, and the people enters in the cage, collects the finished product crab, for merchandise sales.
Artificial reef can be arranged on the cage inner bottom part, also can be layered in centre in the cage, and the decortication box is attached on the artificial reef.
Embodiment
1, culturing area is selected
The slow aqua region of seashore that reaches cage mouth position when selecting the seawater ebb tide is as culturing area.Its seawater has biocenose in great numbers.
2, breeding cage is set
With 10 meters of diameters, the size that height is 4 meters is carried out the construction of breeding cage.With the perigone crab as breed variety.Cage adopts the steel pipe of 1.2 inches of diameters to be welded, bottom at cage is 2 centimetres with the aperture, diameter is the spacer screen of 0.6 centimetre steel wire establishment, the structure of breeding cage is as shown in the figure: at 2 layers of eye diameter of cage 1 peripheral parcel at 0.5 centimetre fishing net as the bag net, the network interface of the pocket-like that can tighten up is left in the upper end suitable for reading of bag net, prolong 1 meter on its pocket, the bottom of netting the cage inner chamber that constitutes at cage and bag is provided with polygonal artificial reef, has artificial reef hole in it.Artificial reef is made by cement concrete, and diameter is about 10 centimetres.The staggered fixed part decortication box that adheres on the artificial reef.The decortication box is a rectangle, and its height is about 10 centimetres, and thickness is about 10 centimetres, and inlet height is provided with sand bed in the bottom of decortication box about 5 centimetres, with particle diameter at 1-3 centimetre sea sand as sand bed.Sew up as the protecting against shock cover with mackintosh in off the net outside of the bag of breeding cage.
3, throw in bait
Throw in fishes and shrimps bait every day one time, used bait is freezing small-sized fishes and shrimps kind.
4, bait natural propagation with search for food
Fishes and shrimps living bait natural propagation and growth under the micro-ecological environment that artificial reef constituted, the back of growing up is edible as living bait for crab.
5, results
During results, cage is sling, the people enters and collects crab in the cage.
Advantage of the present invention
1, having realized that sea-farming is raised in cages grows crab, has solved the technical problem of crab artificial feeding;
2, at the peripheral wrapped multiple fishing net of cage, prevent the generation of crab escape phenomenon in breeding process, also avoided crab natural enemy infringement crab simultaneously, or normal growth and the growth of harassing and wrecking crab;
Can throw in bait by it when 3, the set network interface in cage mouth top is opened, bait is tightened after throwing in, and prevents that crab from escaping;
4, the artificial reef that arranges at the bottom of cage can be created micro-ecological environment, being conducive to external fishes and shrimps breeds within it and grows, excreta and the bait residue of crab have been utilized simultaneously, the cleaning and the health that keep water body, the fishes and shrimps of growing are edible for crab as living bait, are conducive to growth and the growth of crab;
5, crab is constantly peeled in necessary for growth, the crab housing softness of decortication, and the crab of not peeled easily gnaws, and causes the death of crab. Owing in breeding cage, be placed with the decortication box, when crab will be peeled, just can pierce in the decortication box by import, and then pierce in the sand bed, peel by frictional force and the environment of sand bed, grow new skin after the decortication after, just can from the decortication box, get out, continue to search for food and grow;
6, since crab in breeding cage in the growth and development process be by bait manually is provided and the cage of naturally searching for food in the living bait of breeding, so, can not cause and be short of food, also guarantee the needs that the crab normal growth is grown, so, fast growth, it is fast to reach commercial specification, and, can at any time gather in the crops. Has saving bait, the plurality of advantages that improves the speed of growth and at any time gather in the crops.
7, be conducive to the population breeding of crab. After crab reaches sexual maturing period in the cage, will produce a large amount of embryonated eggs, along with flowing of seawater, be diffused in other zone of seawater, for enlarging, the population of crab provides the provenance condition, so be conducive to the improvement of natural, ecological and the recovery of marine organisms population.
Claims (5)
1. breeding cage is characterized in that in the method for seawater breeding crab:
(1), culturing area is selected
According to the degree of depth of seashore seawater and the situation at the bottom of the beach, select slow seashore phytal zone, water region as culturing area;
(2), breeding cage is set
The sea water advanced position of selecting the ebb tide water surface and cage mouth to maintain an equal level is provided with breeding cage;
The structure of breeding cage: be cylindrical shape by interconnecting to make down with steel pipe, go up and be the cage (1) of platform taper, at the peripheral wrapped multiple net of cage as bag net (2), the network interface (2.1) of the pocket-like that can tighten up is left in the upper end suitable for reading of bag net, the cage bottom is connected with metal spacer screen (3), in the cage inner chamber that cage and bag net constitute, be provided with polygonal artificial reef (4), has artificial reef hole (4.1) in it, staggered adhering to is fixed with decortication box (5) on artificial reef, one side of decortication box is provided with import (5.1), the bottom is provided with sand bed (5.2), the top of cage is provided with cage mouth (6), is enclosed with protecting against shock cover (7) in the outside of the bottom of cage bag net;
(3), throw in bait
After network interface (2.1) opened, throw in fishes and shrimps bait in cage, edible for crab, throw in once every day;
(4), bait natural propagation with search for food
After absorbing the crab excreta, the algae that artificial reef reaches self-sow in the hole outward can grow fast, for small fish and shrimp and aquatile provide food, set hole is protected the place for it provides on the artificial reef simultaneously, form small ecotope, after small fish and shrimp and biology are grown up, as the living bait of crab;
(5), results, when results during crab, cage is sling, the people enters in the cage, collects the finished product crab.
2. breeding cage according to claim 1 is characterized in that in the method for seawater breeding crab: artificial reef is arranged on the cage inner bottom part.
3. breeding cage according to claim 1 is characterized in that in the method for seawater breeding crab: artificial reef is layered in centre in the cage.
4. breeding cage according to claim 1 is characterized in that in the method for seawater breeding crab: the decortication box adheres to and is fixed on the artificial reef.
5. breeding cage according to claim 1 is characterized in that in the method for seawater breeding crab: according to the kind of breed crab and size, select fishing net less than the eyelet of crab volume 1/3rd as the bag net, the bag net can be provided with one deck to multilayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101879848A CN101692795B (en) | 2009-10-21 | 2009-10-21 | Method for culturing crabs in seawater by using breeding cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101879848A CN101692795B (en) | 2009-10-21 | 2009-10-21 | Method for culturing crabs in seawater by using breeding cage |
Publications (2)
| Publication Number | Publication Date |
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| CN101692795A true CN101692795A (en) | 2010-04-14 |
| CN101692795B CN101692795B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101879848A Expired - Fee Related CN101692795B (en) | 2009-10-21 | 2009-10-21 | Method for culturing crabs in seawater by using breeding cage |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102007878A (en) * | 2010-10-22 | 2011-04-13 | 浙江海洋学院 | Modulus net cage fish shelter complex |
| CN103053458A (en) * | 2013-01-16 | 2013-04-24 | 潘少波 | Ecological breeding method of scylla serrata |
| CN103109756A (en) * | 2011-11-16 | 2013-05-22 | 邹佩余 | Seasonal swimming crab breeding method and carrier using mussel breeding stringer |
| CN103598123A (en) * | 2013-11-15 | 2014-02-26 | 浙江海洋学院 | Vulgaris half-isolated mariculture cages and farming method |
| CN105594641A (en) * | 2016-01-26 | 2016-05-25 | 钦州学院 | Purse net for polyculture of fish and prawn |
| CN108668970A (en) * | 2018-05-03 | 2018-10-19 | 集美大学 | A method of crab being grown using iron cage on the beach |
| CN112568160A (en) * | 2021-01-07 | 2021-03-30 | 南京善甫工贸易有限公司 | A burglary-resisting door equipment for crab is bred |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2255721Y (en) * | 1996-02-02 | 1997-06-11 | 钱云龙 | Series piled cages for breeding crabs |
| NL1007744C1 (en) * | 1997-12-09 | 1999-01-12 | Navital S A R L | Method for the independent cultivation, conditioning and storage of shellfish and crustaceans, and equipment for applying this new method. |
| US6746177B1 (en) * | 2000-03-14 | 2004-06-08 | Bousai Corporation | Block and a riparian improvement structure inhabitable for aquatic life |
| CN2590373Y (en) * | 2002-12-23 | 2003-12-10 | 杨德岐 | Collapsiable trap for catching crabs on the sea |
| KR100756624B1 (en) * | 2006-10-25 | 2007-09-07 | 인하대학교 산학협력단 | Swimming crab larva cage |
-
2009
- 2009-10-21 CN CN2009101879848A patent/CN101692795B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102007878A (en) * | 2010-10-22 | 2011-04-13 | 浙江海洋学院 | Modulus net cage fish shelter complex |
| CN102007878B (en) * | 2010-10-22 | 2012-05-23 | 浙江海洋学院 | Modulus net cage fish shelter complex |
| CN103109756A (en) * | 2011-11-16 | 2013-05-22 | 邹佩余 | Seasonal swimming crab breeding method and carrier using mussel breeding stringer |
| CN103053458A (en) * | 2013-01-16 | 2013-04-24 | 潘少波 | Ecological breeding method of scylla serrata |
| CN103053458B (en) * | 2013-01-16 | 2014-03-26 | 潘少波 | Ecological breeding method of scylla serrata |
| CN103598123A (en) * | 2013-11-15 | 2014-02-26 | 浙江海洋学院 | Vulgaris half-isolated mariculture cages and farming method |
| CN103598123B (en) * | 2013-11-15 | 2015-05-13 | 浙江海洋学院 | Vulgaris half-isolated mariculture cages and farming method |
| CN105594641A (en) * | 2016-01-26 | 2016-05-25 | 钦州学院 | Purse net for polyculture of fish and prawn |
| CN108668970A (en) * | 2018-05-03 | 2018-10-19 | 集美大学 | A method of crab being grown using iron cage on the beach |
| CN112568160A (en) * | 2021-01-07 | 2021-03-30 | 南京善甫工贸易有限公司 | A burglary-resisting door equipment for crab is bred |
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| Publication number | Publication date |
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| CN101692795B (en) | 2012-10-31 |
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