CN113229191A - Three-dimensional crayfish breeding device and three-dimensional crayfish breeding method - Google Patents
Three-dimensional crayfish breeding device and three-dimensional crayfish breeding method Download PDFInfo
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- CN113229191A CN113229191A CN202110596683.1A CN202110596683A CN113229191A CN 113229191 A CN113229191 A CN 113229191A CN 202110596683 A CN202110596683 A CN 202110596683A CN 113229191 A CN113229191 A CN 113229191A
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- 238000009395 breeding Methods 0.000 title claims description 23
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- 241000238557 Decapoda Species 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 230000000249 desinfective effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
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- 230000012010 growth Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012136 culture method Methods 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 27
- 239000004800 polyvinyl chloride Substances 0.000 description 27
- 241000196324 Embryophyta Species 0.000 description 13
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
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- 230000002349 favourable effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 241000238424 Crustacea Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 208000028804 PERCHING syndrome Diseases 0.000 description 1
- 241000269799 Perca fluviatilis Species 0.000 description 1
- 241000238030 Procambarus clarkii Species 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000012631 food intake Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
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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 relates to a crayfish three-dimensional culture device and a three-dimensional culture method, wherein the crayfish three-dimensional culture device comprises a fixed seat, the upper end of the fixed seat is connected with the lower end of a PVC pipe, a climbing frame is arranged on the side wall of the upper end of the PVC pipe and comprises an outer spiral frame, an inner spiral frame, a connecting plate and a spiral net, and the method for three-dimensional culture of crayfish by using the crayfish three-dimensional culture device specifically comprises the following steps: assembling parts, installing and positioning, putting shrimp larvae, performing daily management and catching adult shrimps. The spiral crayfish climbing frame is based on a PVC pipe, is low in price and easy to obtain, is low in manufacturing cost, and is beneficial to large-scale popularization and application, the installation stability of the device is improved due to the arrangement of the fixed seat, the distribution uniformity of crayfish can be improved in a limited space due to the arrangement of the spiral climbing frame, the occurrence probability of clustering phenomenon is reduced, and the growth of crayfish is facilitated.
Description
Technical Field
The invention relates to the field of agricultural cultivation, in particular to a crayfish three-dimensional cultivation device and a three-dimensional cultivation method.
Background
The crayfish academy of academic name procambarus clarkia belongs to crustacea, decapod and crayfish aquatic animals, has the advantages of high food consumption, high growth speed, delicious meat flavor and various cooking modes, is popular with consumers, and is an important freshwater aquaculture economic variety in middle and lower reaches of Yangtze river in China. The crayfish has strong climbing ability and weak swimming ability, has life habits of shelling growth and mutual killing, and needs to be planted with water plants in order to improve the culture yield and effect, whether the crayfish is cultured in a pond or a paddy field. The aquatic weeds can be used for the crayfish to climb to perch and avoid enemies, the culture space is increased, meanwhile, the aquatic weeds can also be used as a plant feed source for the crayfish, the aquatic weeds can also purify water, a good environment is created for crayfish culture, and multiple purposes are achieved at one time.
The quality of the aquatic plants is a key factor for determining the success or failure of crayfish breeding, the crayfish is suitable for breeding from the middle of 4 months to the last 6 months of each year, and the water temperature is too low or too high, so that the crayfish is not beneficial to shelling and growing. However, in the peak season of aquatic plant growth, the practical production process is comprehensively influenced by the crayfish stocking density, the aquatic plant planting density, the culture management measures and the like, the aquatic plant biomass is controlled reasonably and difficultly, and the culture effect is further influenced. When the biomass of the aquatic weeds is low, the crayfishes are not beneficial to climbing, perching and avoiding, the crayfishes are not shelled and grow, and the probability of mutual killing is increased; when the biomass of the aquatic weeds is too high, under the condition of photosynthesis, the dissolved oxygen in day and night of the aquaculture water body and the pH value are easy to change violently, so that the crayfishes are not beneficial to growth, and the difficulty in managing and protecting the aquatic weeds and catching the crayfishes in the aquaculture process is increased.
Therefore, in order to reasonably control the planting density of the water plants, reduce the difficulty of breeding management, scientifically plan and utilize the space of the breeding water body of the crayfish, reasonably improve the breeding density of the crayfish and reduce mutual killing, the invention designs the crayfish three-dimensional breeding device and the three-dimensional breeding method, and the crayfish breeding device is matched with the planting of the water plants in the breeding pond for use, so that the crayfish breeding effect can be obviously improved.
Disclosure of Invention
The technical scheme adopted by the invention to solve the technical problem is as follows: a crayfish three-dimensional breeding device comprises a fixed seat, wherein the upper end of the fixed seat is connected with the lower end of a PVC (polyvinyl chloride) pipe, and a climbing frame is arranged on the side wall of the upper end of the PVC pipe; wherein:
the fixing seat comprises an annular seat, the annular seat is arranged at the lower end of the PVC pipe, a plurality of positioning rods are uniformly arranged at the lower end of the annular seat along the circumferential direction of the annular seat, the lower ends of the positioning rods are of a conical structure, the fixing seat can be positioned after the positioning rods are inserted into sludge at the bottom of a pond or a paddy field, so that the position stability of the whole device is ensured, a plurality of anti-slip rings are sequentially arranged at the upper end of the annular seat from top to bottom so as to prevent crayfish from accidentally falling off in the climbing process, and the annular seat is of a hollow circular truncated cone structure as a whole;
the climbing frame comprises an outer spiral frame, the outer spiral frame and an inner spiral frame are both sleeved outside a PVC pipe, the outer spiral frame and the inner spiral frame are connected through a connecting plate, the connecting plate is installed on the outer wall of the PVC pipe, one side, close to the PVC pipe, of the outer spiral frame and one side, far away from the PVC pipe, of the inner spiral frame are both provided with mounting grooves, a spiral net is placed between the two mounting grooves, the spiral net is made of a plastic material, the cost is lower compared with that of a metal material, rusting and corrosion caused by long-time exposure in a humid environment can be avoided, and the spiral net is connected with the outer spiral frame and the inner spiral frame through bolts; wholly be the climbing frame of spiral type can be in limited pond of area or paddy field for crayfish three-dimensional distribution, the breed mode of decentralization can effectively avoid distributing because of the cluster, leads to between the crayfish each other the incomplete kill, snatch the condition of bait and take place, and staff's accessible spiral net puts in bait in addition, makes bait distribution homogeneity can improve, is favorable to crayfish's growth.
Preferably, the lower end of the annular seat is provided with a plurality of annular chutes in one-to-one correspondence with the positions of the positioning rods, the annular chutes are positioned right above the positioning rods, and the outer sides of the bottom ends of the annular chutes are provided with annular grooves communicated with the annular chutes.
Preferably, the positioning rod comprises a conical rod, the conical rod is installed at the lower end of the annular seat, a protective cylinder is sleeved outside the conical rod and is installed in the annular chute in a sliding manner, the protective cylinder is connected with the annular chute through a return spring, and an annular skirt edge in concave-convex fit with the annular groove is arranged on the outer side of the bottom end of the protective cylinder; when reset spring is in the natural extension state, protect a lower extreme height and be less than conical rod lower extreme height, can prevent conical rod scratch, stab near staff, play certain guard action, when protecting a lower extreme and pond or paddy field bottom contact, protect the relative conical rod rebound of a section of thick bamboo, reset spring is compressed, conical rod is located and protects the outer part of a section of thick bamboo and increase gradually, so that insert it in pond or paddy field bottom silt, when annular seat lower extreme and pond or paddy field bottom contact, protect the annular shirt rim card that a section of thick bamboo bottom set up and go into in the annular groove, in order to avoid appearing because of protecting a bottom height and being less than annular seat bottom height, lead to annular seat bottom unable and pond or paddy field bottom in close contact with, and then influence the condition of the position stability of fixing base.
Preferably, a plurality of firm posts are evenly installed along its circumference direction to annular seat lower extreme, and after firm post was inserted pond or paddy field bottom, the positional stability of positioning seat can be strengthened, is connected through the screw-thread fit mode between firm post and the annular seat, is convenient for tear open and change, and firm post is the round platform type structure of invering to avoid accident to scratch near staff.
Preferably, the annular seat and the PVC pipe and the positioning rod and the annular seat are connected in a thread fit mode, and the anti-slip ring and the annular seat are connected through bolts so as to be convenient to disassemble and replace.
Preferably, the spiral baffle is installed to outer spiral rack upper end to the unexpected drop that falls from climbing the frame of crayfish or bait.
Preferably, a plurality of fixing holes are uniformly formed in the upper end and the lower end of the PVC pipe from top to bottom, the connecting plate is connected with the fixing holes through bolts, and the height of the climbing frame can be flexibly adjusted according to different culture water levels.
Preferably, the method for three-dimensional cultivation of crayfishes by using the three-dimensional cultivation device comprises the following steps:
s1, component assembly: after the fixed seat, the PVC pipe and the climbing frame are transported to a designated working position, assembling and molding the three parts;
s2, mounting and positioning: fixing the lower end of the fixing seat at a designated position at the bottom of a pond or a paddy field, ensuring the position stability of the fixing seat and keeping the PVC pipe in a vertical state;
s3, putting the shrimp larvae: after disinfecting a pond or a paddy field and thoroughly removing predatory harmful organisms in the pond or the paddy field, putting shrimp seeds into the pond or the paddy field;
s4, daily management: adding water into the pond or the paddy field in every circumferential direction to ensure that the water quality is smooth and has enough dissolved oxygen, throwing baits into the spiral net in a timed and quantitative manner, and feeding the baits once in the morning and at night;
s5, catching adult shrimps: after 3-5 months of feeding, the grown shrimps can be caught and sold on the market when the specification reaches more than 30 g, and the shrimps which do not reach the market specification can be continuously fed in a pool.
Compared with the prior art, the invention has the following advantages:
1. the crayfish three-dimensional breeding device provided by the invention is based on a PVC pipe as a main body, is cheap and easy to obtain, is low in manufacturing cost, and is beneficial to large-scale popularization and application, the arrangement of the fixing seat can increase the installation stability of the device, the arrangement of the spiral climbing frame can improve the distribution uniformity of crayfish in a limited space, the occurrence probability of clustering phenomenon is reduced, and the crayfish growth is facilitated.
2. The fixing seat provided by the invention can be used for positioning the whole device after the positioning rod is inserted into sludge at the bottom of a pond or a paddy field, so that the position stability of the whole device is ensured, and the upper end of the annular seat is sequentially provided with the plurality of anti-slip rings from top to bottom so as to prevent crayfish from accidentally falling off in the climbing process.
3. The climbing frame is integrally of a spiral structure, so that the crayfishes can be distributed in a pond or a paddy field with limited area in a three-dimensional mode, the dispersed breeding mode can effectively avoid the situation that the crayfishes are killed mutually and rob baits due to cluster distribution, and in addition, workers can put in the baits through the spiral net, so that the uniformity of the bait distribution is improved, and the crayfishes can grow favorably.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a three-dimensional structure of a crayfish three-dimensional cultivation device of the present invention;
FIG. 2 is a front view of the three-dimensional crayfish breeding device of the present invention;
FIG. 3 is a top view of the present invention between a PVC pipe and a climbing frame;
FIG. 4 is a front sectional view of the PVC pipe and the fixing base in the invention;
FIG. 5 is a flow chart of the three-dimensional cultivation method of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with reference to fig. 1 to 5.
Example 1
A crayfish three-dimensional breeding device comprises a fixed seat 1, wherein the upper end of the fixed seat 1 is connected with the lower end of a PVC (polyvinyl chloride) pipe 2, and a climbing frame 3 is arranged on the side wall of the upper end of the PVC pipe 2; wherein:
the fixing seat 1 comprises an annular seat 11, the annular seat 11 is installed at the lower end of the PVC pipe 2, a plurality of positioning rods 12 are evenly installed at the lower end of the annular seat 11 along the circumferential direction of the annular seat, the lower ends of the positioning rods 12 are of a tapered structure, the fixing seat 1 can be positioned after the positioning rods 12 are inserted into sludge at the bottom of a pond or a paddy field, so that the position stability of the whole device is ensured, a plurality of anti-slip rings 13 are sequentially installed at the upper end of the annular seat 11 from top to bottom to prevent crayfishes from accidentally slipping off in the climbing process, and the annular seat 11 is of a hollow round platform structure as a whole;
the lower end of the annular seat 11 is provided with a plurality of annular chutes which are in one-to-one correspondence with the positions of the positioning rods 12, the annular chutes are positioned right above the positioning rods 12, and the outer sides of the bottom ends of the annular chutes are provided with annular grooves communicated with the annular chutes.
The positioning rod 12 comprises a conical rod 12a, the conical rod 12a is installed at the lower end of the annular seat 11, a protective cylinder 12b is sleeved outside the conical rod 12a, the protective cylinder 12b is installed in the annular sliding groove in a sliding mode, the protective cylinder 12b is connected with the annular sliding groove through a return spring 12c, and an annular skirt matched with the annular groove in a concave-convex mode is arranged on the outer side of the bottom end of the protective cylinder 12 b; when the return spring 12c is in a natural extension state, the lower end of the protective cylinder 12b is lower than the lower end of the conical rod 12a, so that nearby workers can be prevented from being scratched and stabbed by the conical rod 12a, a certain protection effect is achieved, when the lower end of the protective cylinder 12b is in contact with the bottom of a pond or a paddy field, the protective cylinder 12b moves upwards relative to the conical rod 12a, the return spring 12c is compressed, the part, located outside the protective cylinder 12b, of the conical rod 12a is gradually increased so as to be inserted into silt at the bottom of the pond or the paddy field, when the lower end of the annular seat 11 is in contact with the bottom of the pond or the paddy field, the annular skirt arranged at the bottom end of the protective cylinder 12b is clamped into the annular groove, and the situation that the bottom end of the protective cylinder 12b is lower than the bottom end of the annular seat 11, so that the bottom end of the annular seat 11 cannot be in close contact with the bottom of the pond or the paddy field and the bottom of the pond or the paddy field, and the position stability of the fixed seat 1 is further influenced is avoided.
A plurality of stabilizing columns 11a are uniformly installed at the lower end of the annular seat 11 along the circumferential direction of the annular seat, after the stabilizing columns 11a are inserted into the bottom of a pond or a paddy field, the position stability of the positioning seat can be enhanced, the stabilizing columns 11a are connected with the annular seat 11 in a thread fit mode, the stabilizing columns are convenient to detach and replace, and the stabilizing columns 11a are of inverted round table structures so as to avoid accidental scratching of nearby workers.
The climbing frame 3 comprises an outer spiral frame 31, the outer spiral frame 31 and an inner spiral frame 32 are both sleeved outside the PVC pipe 2, the outer spiral frame 31 and the inner spiral frame 32 are connected through a connecting plate 33, the connecting plate 33 is installed on the outer wall of the PVC pipe 2, one side of the outer spiral frame 31 close to the PVC pipe 2 and one side of the inner spiral frame 32 far away from the PVC pipe 2 are both provided with mounting grooves, a spiral net 34 is placed between the two mounting grooves, the spiral net 34 is made of plastic, the cost is lower compared with that of metal materials, rusting and corrosion caused by long-time wet environment can be avoided, and the spiral net 34 is connected with the outer spiral frame 31 and the inner spiral frame 32 through bolts; wholly be climbing frame 3 of spiral type can be in the limited pond of area or paddy field for crayfish three-dimensional distribution, the breed mode of decentralization can effectively be avoided distributing because of the cluster, leads to between the crayfish each other the incomplete condition of killing, robbing bait to take place, and staff's accessible spiral shell net 34 puts in bait in addition, makes bait distribution uniformity can improve, is favorable to crayfish's growth.
Spiral baffle 31a is installed to outer spiral shell 31 upper end to it drops to avoid crayfish or bait to follow the accident on climbing frame 3.
A plurality of fixed orificess 2a have all been down seted up from last at both ends about PVC tubular product, and connecting plate 33 is connected with fixed orifices 2a through the bolt, and is different according to breeding the water level, is connected connecting plate 33 with the fixed orifices 2a of co-altitude not to nimble adjustment climbing frame 3's height.
In addition, the invention also provides a crayfish three-dimensional breeding method, which specifically comprises the following steps:
s1, component assembly: after the fixed seat 1, the PVC pipe 2 and the climbing frame 3 are transported to a designated working position, assembling and molding the three parts;
s2, mounting and positioning: fixing the lower end of the fixing seat 1 at a designated position at the bottom of a pond or a paddy field, and inserting the lower end of the positioning rod 11 into sludge at the bottom of the pond or the paddy field so as to ensure the position stability of the fixing seat 1 and ensure that the PVC pipe 2 can be kept in a vertical state;
s3, putting the shrimp larvae: after disinfecting a pond or a paddy field and thoroughly removing predatory harmful organisms in the pond or the paddy field, putting shrimp seeds into the pond or the paddy field;
s4, daily management: adding water into the pond or the paddy field in each circumferential direction to ensure that the water quality is smooth and has enough dissolved oxygen, regularly and quantitatively throwing baits onto the spiral net 34, feeding the baits once in the morning and at night, and distributing the baits on the spiral net from top to bottom in layers under the guide action of gravity and the spiral net 34 so as not to cause the clustering phenomenon due to concentrated bait distribution;
s5, catching adult shrimps: after 3-5 months of feeding, the grown shrimps can be caught and sold on the market when the specification reaches more than 30 g, and the shrimps which do not reach the market specification can be continuously fed in a pool.
Example 2
Example 2 is different from example 1 only in the arrangement of the climbing frame 3, the width of each layer of the climbing frame 3 is gradually increased from top to bottom to increase the implantation area of the feed, and the situation that the feed quantity is less when the feed is going to the bottom layer is avoided; other contents of this embodiment are the same as those of embodiment 1, and therefore are not described again.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a crayfish three-dimensional breeding device, includes fixing base (1), its characterized in that: the upper end of the fixed seat (1) is connected with the lower end of the PVC pipe (2), and a climbing frame (3) is arranged on the side wall of the upper end of the PVC pipe (2); wherein:
the fixing seat (1) comprises an annular seat (11), the annular seat (11) is installed at the lower end of the PVC pipe (2), a plurality of positioning rods (12) are evenly installed at the lower end of the annular seat (11) along the circumferential direction of the annular seat, the lower ends of the positioning rods (12) are of a conical structure, a plurality of anti-slip rings (13) are sequentially installed at the upper end of the annular seat (11) from top to bottom, and the whole annular seat (11) is of a hollow circular truncated cone structure;
climbing frame (3) are including outer spiral shell (31), outer spiral shell (31) and interior spiral shell (32) are all established at PVC tubular product (2) outside, be connected through connecting plate (33) between outer spiral shell (31) and interior spiral shell (32), install on PVC tubular product (2) outer wall connecting plate (33), the mounting groove has all been seted up to one side that PVC tubular product (2) were kept away from in one side that outer spiral shell (31) are close to PVC tubular product (2) and interior spiral shell (32), spiral net (34) have been placed between two mounting grooves, spiral net (34) are the plastics material, spiral net (34) are connected with outer spiral shell (31) and interior spiral shell (32) through the bolt.
2. The crayfish three-dimensional cultivation device according to claim 1, characterized in that: the lower end of the annular seat (11) is provided with a plurality of annular sliding grooves which are in one-to-one correspondence with the positions of the positioning rods (12), the annular sliding grooves are positioned right above the positioning rods (12), and the outer sides of the bottom ends of the annular sliding grooves are provided with annular grooves communicated with the annular sliding grooves.
3. The crayfish three-dimensional cultivation device according to claim 2, characterized in that: the locating rod (12) comprises a conical rod (12a), the conical rod (12a) is installed at the lower end of the annular seat (11), a protective cylinder (12b) is sleeved outside the conical rod (12a), the protective cylinder (12b) is installed in the annular sliding groove in a sliding mode, the protective cylinder (12b) is connected with the annular sliding groove through a return spring (12c), and an annular skirt matched with the annular groove in a concave-convex mode is arranged on the outer side of the bottom end of the protective cylinder (12 b).
4. The crayfish three-dimensional cultivation device according to claim 1, characterized in that: a plurality of stabilizing columns (11a) are uniformly arranged at the lower end of the annular seat (11) along the circumferential direction of the annular seat, the stabilizing columns (11a) are connected with the annular seat (11) in a thread fit mode, and the stabilizing columns (11a) are of inverted round table structures.
5. The crayfish three-dimensional cultivation device according to claim 1, characterized in that: the PVC pipe is characterized in that the annular seat (11) and the PVC pipe (2) and the positioning rod (12) and the annular seat (11) are connected in a thread fit mode, and the anti-skid ring (13) and the annular seat (11) are connected through bolts.
6. The crayfish three-dimensional cultivation device according to claim 1, characterized in that: the upper end of the outer spiral frame (31) is provided with a spiral baffle (31 a).
7. The crayfish three-dimensional cultivation device according to claim 1, characterized in that: a plurality of fixed orificess (2a) have all been down seted up from last at both ends about PVC tubular product (2), and connecting plate (33) are connected with fixed orifices (2a) through the bolt.
8. The crayfish three-dimensional cultivation device according to any one of claims 1 to 7, wherein: the method for three-dimensional breeding of the crayfishes by using the three-dimensional breeding device specifically comprises the following steps:
s1, component assembly: after the fixed seat (1), the PVC pipe (2) and the climbing frame (3) are transported to a designated working position, assembling and molding the three parts;
s2, mounting and positioning: the lower end of the fixing seat (1) is fixed at a designated position at the bottom of a pond or a paddy field, so that the position stability of the fixing seat (1) is ensured, and the PVC pipe (2) is kept in a vertical state;
s3, putting the shrimp larvae: after disinfecting a pond or a paddy field and thoroughly removing predatory harmful organisms in the pond or the paddy field, putting shrimp seeds into the pond or the paddy field;
s4, daily management: adding water into the pond or the paddy field in every circumferential direction to ensure that the water quality is smooth and has enough dissolved oxygen, throwing baits on the spiral net (34) in a timed and quantitative manner, and feeding the baits once in the morning and at night;
s5, catching adult shrimps: after 40-60 days of feeding, the grown shrimps can be fished and sold on the market when the specification reaches more than 25 g, and the shrimps which do not reach the market specification can be continuously fed in a pool.
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| CN202110596683.1A CN113229191B (en) | 2021-05-31 | 2021-05-31 | Stereoscopic crayfish breeding device and stereoscopic breeding method |
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