CN113229191B - Stereoscopic crayfish breeding device and stereoscopic breeding method - Google Patents
Stereoscopic crayfish breeding device and stereoscopic breeding method Download PDFInfo
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- CN113229191B CN113229191B CN202110596683.1A CN202110596683A CN113229191B CN 113229191 B CN113229191 B CN 113229191B CN 202110596683 A CN202110596683 A CN 202110596683A CN 113229191 B CN113229191 B CN 113229191B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
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- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
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- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention relates to a stereoscopic breeding device and a stereoscopic breeding method for crayfish, comprising a fixed seat, wherein 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, the climbing frame comprises an outer spiral frame, an inner spiral frame, a connecting plate and a spiral net, and the stereoscopic breeding method by using the stereoscopic breeding device for crayfish specifically comprises the following steps: assembling parts, installing and positioning, throwing shrimp larvae, daily management and adult shrimp fishing. The invention takes the PVC pipe as the main body foundation, is low in cost and easy to obtain, has low manufacturing cost, 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 the crayfish in a limited space, the occurrence probability of the cluster phenomenon is reduced, and the growth of the crayfish is facilitated.
Description
Technical Field
The invention relates to the field of agricultural cultivation, in particular to a stereoscopic cultivation device and a stereoscopic cultivation method for crayfish.
Background
The crayfish is named as Procambarus clarkii, belongs to aquatic animals of the class crustacean, the order of the ten feet and the family of the crayfish, has the advantages of feeding habits of crayfish, quick growth speed, delicious meat taste and various cooking modes, is deeply favored by consumers, and is an important freshwater aquaculture economic variety in the middle and downstream regions of Yangtze river of China. Crayfish has strong climbing ability and weak swimming ability, has life habits of shelling growth and mutual killing, and needs to be planted with aquatic weeds for improving the culture yield and effect, and is used for culturing in ponds or paddy fields. The aquatic weed can be used for the crayfish to climb and inhabit, avoid enemy and increase the cultivation space, meanwhile, the aquatic weed can also be used as a crayfish plant feed source, the aquatic weed can also be used for purifying water quality, a good environment is created for crayfish cultivation, and multiple purposes are achieved.
The planting quality of the aquatic weeds is a key factor for determining the success or failure of crayfish cultivation, and the proper cultivation season of the crayfish is 4 to 6 months of the year, and the crayfish is unfavorable for shelling and growing due to too low or too high water temperature. However, the aquatic weed growing season is also a strong season, and in the actual production process, the aquatic weed growing season is comprehensively influenced by the crayfish stocking density, the aquatic weed planting density, the cultivation management measures and the like, so that the aquatic weed biomass is reasonably controlled with great difficulty, and the cultivation effect is further influenced. When the aquatic weed biomass is low, the crayfish is not beneficial to climbing, inhabiting and avoiding, the crayfish shelling and growing are affected, and the probability of mutual killing is increased; when the aquatic weed biomass is too high, under the photosynthesis condition, the day and night dissolved oxygen and the severe pH value change of the culture water body are easy to cause, the growth of the crayfish is not facilitated, and the difficulty of managing and protecting the aquatic weed and catching the crayfish in the culture process is increased.
Therefore, in order to reasonably control the planting density of the aquatic weeds, reduce the difficulty of cultivation management, scientifically plan and utilize the space of the crayfish cultivation water body, reasonably improve the crayfish cultivation density and reduce mutual killing, the invention designs the crayfish three-dimensional cultivation device and the three-dimensional cultivation method, and the crayfish three-dimensional cultivation device and the three-dimensional cultivation method are used in a cultivation pond in cooperation with the aquatic weeds, so that the crayfish cultivation effect can be remarkably improved.
Disclosure of Invention
The invention aims to solve the technical problems by adopting the following technical scheme: the stereoscopic crayfish culturing device comprises a fixing seat, wherein the upper end of the fixing seat is connected with the lower end of a PVC pipe, and a climbing frame is arranged on the side wall of the upper end of the PVC pipe; wherein.
The fixing base comprises an annular base, the annular base is arranged at the lower end of the PVC pipe, a plurality of locating rods are uniformly arranged at the lower end of the annular base along the circumferential direction of the annular base, the lower end of each locating rod is of a conical structure, the locating rods are inserted into sludge at the bottom of a pond or a paddy field to locate the fixing base, the position stability of the whole device is further guaranteed, a plurality of anti-slip rings are sequentially arranged at the upper end of the annular base from top to bottom so as to prevent crayfish from accidentally sliding down in the climbing process, and the annular base is of a hollow round platform structure as a whole.
The climbing rack comprises an outer spiral rack, the outer spiral rack and an inner spiral rack are sleeved outside a PVC pipe, the outer spiral rack and the inner spiral rack are connected through a connecting plate, the connecting plate is arranged on the outer wall of the PVC pipe, one side, close to the PVC pipe, of the outer spiral rack and one side, far away from the PVC pipe, of the inner spiral rack are provided with mounting grooves, a spiral net is placed between the two mounting grooves, the spiral net is made of plastic materials, the cost is lower compared with that of metal materials, rust and corrosion cannot occur due to the fact that the outer spiral rack and the inner spiral rack are in a humid environment for a long time, and the spiral net is connected with the outer spiral rack and the inner spiral rack through bolts; the whole climbing rack that is spiral can be in pond or paddy field that the area is limited for crayfish three-dimensional distribution, the circumstances that leads to mutual suicide between the crayfish and robbed bait take place because of cluster distribution can effectively be avoided to the cultivation mode of decentralized, and the staff accessible spiral net is put in bait in addition, makes bait distribution uniformity improve, is favorable to the growth of crayfish.
Preferably, the lower end of the annular seat is provided with a plurality of annular sliding grooves which are in one-to-one correspondence with the positions of the positioning rods, the annular sliding grooves are positioned right above the positioning rods, and the outer sides of the bottom ends of the annular sliding grooves are provided with annular grooves communicated with the annular sliding grooves.
Preferably, the positioning rod comprises a conical rod, the conical rod is arranged at the lower end of the annular seat, a protective cylinder is sleeved outside the conical rod, the protective cylinder is slidably arranged in the annular chute, the protective cylinder is connected with the annular chute through a return spring, and an annular skirt edge which is in concave-convex fit with the annular groove is arranged at the outer side of the bottom end of the protective cylinder; when reset spring is in the state of natural elongation, the protection barrel lower extreme height is less than the taper rod lower extreme height, can prevent the taper rod scratch, stab nearby staff, play certain guard action, when protection barrel lower extreme and pond or paddy field bottom contact, the protection barrel is relative the taper rod upwards move, reset spring is compressed, the taper rod is located the part of protection barrel outside and grows gradually, in order to insert it in pond or the paddy field bottom silt, when annular seat lower extreme and pond or paddy field bottom contact, the annular skirt limit card that the protection barrel bottom set up is gone into in the annular groove, in order to avoid appearing because of protection barrel bottom height is 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 fixing base's position stability.
Preferably, a plurality of firm posts are evenly installed along its circumference direction to annular seat lower extreme, and after firm post inserted pond or paddy field bottom, can strengthen the position stability of positioning seat, be connected through screw-thread fit mode between firm post and the annular seat, be convenient for tear open and trade, firm post is the round platform structure of inversion to avoid unexpected scratch nearby staff.
Preferably, the annular seat is connected with the PVC pipe and the positioning rod is connected with the annular seat in a threaded fit mode, and the anti-slip ring is connected with the annular seat through bolts, so that the anti-slip ring is convenient to detach and replace.
Preferably, the upper end of the outer spiral frame is provided with a spiral baffle plate so as to prevent crayfish or bait from accidentally falling off the climbing frame.
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 cultivation water levels.
Preferably, the method for carrying out three-dimensional culture by using the three-dimensional culture device for the crayfish specifically comprises the following steps.
S1, assembling parts: after the fixing seat, the PVC pipe and the climbing frame are transported to the appointed working position, the three parts are assembled and formed.
S2, mounting and positioning: the lower end of the fixing seat is fixed at the appointed position at the bottom of the pond or the paddy field, so that the position stability of the fixing seat is ensured, and the PVC pipe is kept in a vertical state.
S3, shrimp larvae are put in: after the pond or the paddy field is disinfected and the predatory enemy organisms in the pond or the paddy field are thoroughly removed, shrimp larvae are put into the pond or the paddy field.
S4, daily management: water is added into the pond or the paddy field every week, so that the water quality is fresh and has enough dissolved oxygen, and the bait is thrown on the spiral net at regular time and quantity, and is fed once in the morning and evening.
S5, adult shrimps are caught: after 3-5 months of feeding, the adult shrimps can be caught and put on the market when the specification of the adult shrimps reaches more than 30 g, and the adult shrimps can not be kept in the pool for feeding until the specification of the adult shrimps is not reached.
Compared with the prior art, the invention has the following advantages.
1. The stereoscopic crayfish culturing device provided by the invention takes the PVC pipe as a main body basis, is low in cost and easy to obtain, is low in manufacturing cost, is beneficial to large-scale popularization and application, the installation stability of the device is improved by arranging the fixing seat, the distribution uniformity of crayfish can be improved in a limited space by arranging the spiral climbing frame, the occurrence probability of a cluster phenomenon is reduced, and the growth of the crayfish 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 provided with a plurality of anti-slip rings from top to bottom in sequence so as to prevent the crayfish from accidentally slipping off in the climbing process.
3. The climbing frame provided by the invention is of a spiral structure, so that crayfish can be distributed in a three-dimensional way in a pond or a paddy field with a limited area, the situation that crayfish are mutually killed and robbed for bait is effectively avoided due to cluster distribution in a scattered cultivation mode, and in addition, workers can put bait through a spiral net, so that the bait distribution uniformity is improved, and the growth of the crayfish is facilitated.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a perspective view of a device for three-dimensional cultivation of crayfish according to the present invention.
FIG. 2 is a front view of the device for three-dimensional cultivation of crayfish of the present invention.
FIG. 3 is a top view of the invention between a PVC pipe and a climbing frame.
Fig. 4 is a front cross-sectional view of the invention between a PVC pipe and a mounting bracket.
FIG. 5 is a flow chart of the method of the three-dimensional cultivation method of the invention.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present invention easy to understand, the present invention is further described below with reference to fig. 1 to 5.
Example 1
The stereoscopic crayfish culturing device comprises a fixing seat 1, wherein the upper end of the fixing seat 1 is connected with the lower end of a 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 base 1 includes annular seat 11, and annular seat 11 installs in PVC tubular product 2 lower extreme, and a plurality of locating levers 12 are evenly installed along its circumference direction to annular seat 11 lower extreme, and the locating lever 12 lower extreme is the taper structure, inserts the locating lever 12 in the silt of pond or paddy field bottom in, just can fix a position fixing base 1, and then guarantees the position stability of whole device, and a plurality of anti-slip rings 13 are installed down in proper order from last annular seat 11 upper end to prevent the unexpected landing of crayfish in the climbing process, and annular seat 11 wholly is hollow round platform type structure.
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 side of the bottom end of each annular sliding groove is provided with an annular groove communicated with the annular sliding groove.
The positioning rod 12 comprises a conical rod 12a, the conical rod 12a is arranged at the lower end of the annular seat 11, a protective barrel 12b is sleeved outside the conical rod 12a, the protective barrel 12b is slidably arranged in the annular chute, the protective barrel 12b is connected with the annular chute through a return spring 12c, and an annular skirt edge which is in concave-convex fit with the annular groove is arranged at the outer side of the bottom end of the protective barrel 12 b; when the reset 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 the protective cylinder 12a can be prevented from scratching and stabbing nearby workers, 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 paddy field, the protective cylinder 12b moves upwards relative to the conical rod 12a, the reset spring 12c is compressed, the part of the conical rod 12a, which is positioned outside the protective cylinder 12b, is gradually increased so as to be inserted into sludge at the bottom of the pond or paddy field, and when the lower end of the annular seat 11 is in contact with the bottom of the pond or paddy field, the annular skirt edge arranged at the bottom end of the protective cylinder 12b is clamped into the annular groove so as not to cause the bottom of the annular seat 11 to be unable to be in close contact with the bottom of the pond or paddy field due to the lower end of the protective cylinder 12b, and further influence the position stability of the fixing seat 1.
The annular seat 11 lower extreme is evenly installed a plurality of firm posts 11a along its circumference direction, and behind the firm post 11a inserted pond or the paddy field bottom, can strengthen the position stability of positioning seat, be connected through screw-thread fit mode between firm post 11a and the annular seat 11, be convenient for tear open and trade, firm post 11a is the round platform type structure of inversion to near staff of unexpected scratch.
The annular seat 11 is connected with the PVC pipe 2 and the positioning rod 12 is connected with the annular seat 11 in a threaded fit mode, and the anti-slip ring 13 is connected with the annular seat 11 through bolts, so that the anti-slip ring is convenient to detach and replace.
The climbing rack 3 comprises an outer spiral rack 31, the outer spiral rack 31 and an inner spiral rack 32 are sleeved outside the PVC pipe 2, the outer spiral rack 31 and the inner spiral rack 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 rack 31, which is close to the PVC pipe 2, and one side of the inner spiral rack 32, which is far away from the PVC pipe 2, are provided with mounting grooves, a spiral net 34 is placed between the two mounting grooves, the spiral net 34 is made of plastic materials, compared with the metal materials, the cost is lower, the outer spiral rack is not corroded due to rust caused by being in a humid environment for a long time, and the spiral net 34 is connected with the outer spiral rack 31 and the inner spiral rack 32 through bolts; the whole spiral climbing frame 3 can be in pond or paddy field with limited area for crayfish three-dimensional distribution, decentralized cultivation mode can effectively avoid because of cluster distribution, leads to mutual suicide between the crayfish, robs the condition of bait to take place, and staff's accessible screw net 34 puts in bait in addition, makes bait distribution uniformity improve, is favorable to the growth of crayfish.
The upper end of the outer spiral frame 31 is provided with a spiral baffle 31a so as to prevent crayfish or bait from accidentally falling off the climbing frame 3.
The upper end and the lower end of the PVC pipe are uniformly provided with a plurality of fixing holes 2a from top to bottom, the connecting plate 33 is connected with the fixing holes 2a through bolts, and the connecting plate 33 is connected with the fixing holes 2a with different heights according to different cultivation water levels so as to flexibly adjust the height of the climbing frame 3.
In addition, the invention also provides a three-dimensional crayfish breeding method, which comprises the following steps.
S1, assembling parts: after the fixing seat 1, the PVC pipe 2 and the climbing frame 3 are transported to a designated working position, the three parts are assembled and formed.
S2, mounting and positioning: fix fixing base 1 lower extreme in pond or paddy field bottom assigned position department for in locating lever 12 lower extreme inserts pond or paddy field bottom silt, in order to guarantee fixing base 1's position stability, and make PVC tubular product 2 can keep vertical state.
S3, shrimp larvae are put in: after the pond or the paddy field is disinfected and the predatory enemy organisms in the pond or the paddy field are thoroughly removed, shrimp larvae are put into the pond or the paddy field.
S4, daily management: the water is added into the pond or paddy field every week, so that the water quality is fresh and has enough dissolved oxygen, the bait is thrown onto the spiral net 34 at regular time and quantitatively, the bait is thrown once in the morning and evening, and the bait can be distributed in layers from top to bottom on the spiral net under the action of gravity and the guidance of the spiral net 34, so that the aggregation phenomenon caused by concentrated bait distribution can be avoided.
S5, adult shrimps are caught: after 3-5 months of feeding, the adult shrimps can be caught and put on the market when the specification of the adult shrimps reaches more than 30 g, and the adult shrimps can not be kept in the pool for feeding until the specification of the adult shrimps is not reached.
Example 2
Example 2 differs 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 so as to increase the area of the feed implantation, and the situation that the lower the number of the obtained feeds is, is avoided; other contents of this embodiment are the same as those of embodiment 1, and thus will not be described in detail.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a three-dimensional breeding device of crayfish, includes fixing base (1), its characterized in that: the upper end of the fixing 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 arranged at the lower end of the PVC pipe (2), a plurality of positioning rods (12) are uniformly arranged 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 conical structures, a plurality of anti-slip rings (13) are sequentially arranged at the upper end of the annular seat (11) from top to bottom, 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 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 side of the bottom end of each annular sliding groove is provided with an annular groove communicated with the annular sliding groove;
the climbing rack (3) comprises an outer spiral rack (31), the outer spiral rack (31) and an inner spiral rack (32) are sleeved outside the PVC pipe (2), the outer spiral rack (31) and the inner spiral rack (32) are connected through a connecting plate (33), the connecting plate (33) is arranged on the outer wall of the PVC pipe (2), one side, close to the PVC pipe (2), of the outer spiral rack (31) and one side, far away from the PVC pipe (2), of the inner spiral rack (32) are provided with mounting grooves, a spiral net (34) is placed between the two mounting grooves, the spiral net (34) is made of plastic, and the spiral net (34) is connected with the outer spiral rack (31) and the inner spiral rack (32) through bolts;
the PVC pipe (2) is characterized in that a plurality of fixing holes (2 a) are uniformly formed in the upper end and the lower end of the PVC pipe (2) from top to bottom, and the connecting plate (33) is connected with the fixing holes (2 a) through bolts.
2. The stereoscopic crayfish culturing device according to claim 1, wherein: the locating rod (12) comprises a conical rod (12 a), the conical rod (12 a) is arranged at the lower end of the annular seat (11), a protective barrel (12 b) is sleeved outside the conical rod (12 a), the protective barrel (12 b) is slidably arranged in the annular sliding groove, the protective barrel (12 b) is connected with the annular sliding groove through a reset spring (12 c), and an annular skirt edge which is in concave-convex fit with the annular groove is arranged on the outer side of the bottom end of the protective barrel (12 b).
3. The stereoscopic crayfish culturing device according to claim 1, wherein: the annular seat (11) lower extreme is evenly installed a plurality of firm posts (11 a) along its circumference direction, is connected through the screw thread fit mode between firm post (11 a) and the annular seat (11), and firm post (11 a) are the round platform type structure of inversion.
4. The stereoscopic crayfish culturing device according to claim 1, wherein: the annular seat (11) is connected with the PVC pipe (2) and the locating rod (12) is connected with the annular seat (11) in a threaded fit mode, and the anti-slip ring (13) is connected with the annular seat (11) through bolts.
5. The stereoscopic crayfish culturing device according to claim 1, wherein: the upper end of the outer spiral frame (31) is provided with a spiral baffle plate (31 a).
6. A stereoscopic crayfish culture device according to any one of claims 1-5, wherein: the method for carrying out three-dimensional culture by using the three-dimensional culture device for the crayfish specifically comprises the following steps:
s1, assembling parts: after the fixing seat (1), the PVC pipe (2) and the climbing rack (3) are transported to a designated working position, the three parts are assembled and formed;
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, shrimp larvae are put in: sterilizing a pond or a paddy field, thoroughly removing predatory enemy organisms in the pond or the paddy field, and then throwing shrimp larvae into the pond or the paddy field;
s4, daily management: adding water into a pond or a paddy field every week to make the water quality fresh and have enough dissolved oxygen, and throwing baits on a spiral net (34) at regular time and quantity, and feeding once in the morning and evening;
s5, adult shrimps are caught: after 40-60 days of feeding, the adult shrimps can be caught and put on the market when the specification of the adult shrimps reaches more than 25 g, and the adult shrimps can be kept in the pool for feeding until the specification of the adult shrimps does not reach the specification of the adult shrimps on the market.
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2021
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| JP2005237366A (en) * | 2003-11-26 | 2005-09-08 | Ouchi Ocean Consultant Inc | Method for culturing bottom fauna without baiting |
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