CN112616759A - Australia freshwater lobster large water surface gridding culture device - Google Patents
Australia freshwater lobster large water surface gridding culture device Download PDFInfo
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- CN112616759A CN112616759A CN202110047508.7A CN202110047508A CN112616759A CN 112616759 A CN112616759 A CN 112616759A CN 202110047508 A CN202110047508 A CN 202110047508A CN 112616759 A CN112616759 A CN 112616759A
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Classifications
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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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
-
- 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
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- 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
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
- A01K63/042—Introducing gases into the water, e.g. aerators, air pumps
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a mesh culture device for the large water surface of Australia crayfish, which comprises a floating boom, a culture tray and a pasture and water planting box which are arranged on the large water surface, wherein the floating boom is fixed at two ends of the floating boom and floats on the water surface in the middle, the culture tray is used for hanging the culture tray and the pasture and water planting box, the culture tray is used for culturing Australia crayfish, monomer culture or multi-body culture can be carried out as required, a multi-body culture built-in partition plate is provided, a monomer culture built-in grid can be connected with a feeding pipeline, a micropore oxygenation pipeline and a waste collection pipeline, a mesh cover is arranged and evenly hung on the floating boom, the pasture and water planting box is internally provided with foam plastics for planting water and grass and evenly hung on the floating boom, the culture tray and the pasture and water planting box are alternately or parallelly hung on the floating boom, and the mesh culture device for the Australia crayfish can make up the defects of the prior art, reasonable in design, convenient operation.
Description
Technical Field
The invention relates to the technical field of shrimp culture, in particular to a large water surface gridding culture device for Australia freshwater lobsters.
Background
Cherax quadricarinatus, Australia freshwater crayfish, titled four-ridge bare-shelled Nanocao, as native in Australia. The shape of the lobster meat is exactly like that of the lobsters in the sea, the meat is fresh, tender, crisp, delicious, fragrant and sweet, the flavor is unique, and the lobsters are rich in nutrition and are one of the most famous and precious freshwater economic shrimps in the world at present.
The Australia crayfish is brown green in body color, and the top end of the outer side of the mature crayfish chelate is provided with a membranous fresh red zone which is beautiful and beautiful, so the crayfish is also called the crayfish chelate. The shrimp body is fat and beautiful, the weight of the general individual is 100-200g, and the maximum individual weight reaches 500 g. The shrimp is fed with animal feed, artificial mixed feed and humus. The shrimp has strong adaptability, can endure severe weather environment, can normally live at the water temperature of 5-35 deg.C, and has strong vitality resistance. The shrimp has advantages of rapid growth, high yield, and easy growth. At present, China is imported, and trial culture is started in individual places, the shrimps are released for culture in 4-5 months every year and harvested in 10-11 months, and the yield of the fresh shrimps per mu can reach more than 200 kg.
The aquatic product is the optimal protein, the total amount ratio of essential amino acid to non-essential amino acid and semi-essential amino acid is in line with the ideal mode of WHO/phi AO protein. At present, the proportion of aquatic products in animal protein food is gradually increased, and the aquatic products become an important food source for people to live. For years, with the increasing of the economic quantity of China, the living standard of residents is greatly improved, and the Australia crayfish is more and more popular with domestic consumers. As the current famous and precious economic shrimps internationally, the Australia freshwater lobster has extremely high edible value, and the domestic consumption market can be rapidly formed. In order to improve the supply capacity, besides a great amount of imported Australia freshwater lobsters, the local culture of Guangdong, Jiangsu, Fujian and Zhejiang has been tried, and certain results are obtained. In order to break through the Australian crayfish breeding industry technology, research and customs must be conducted on multiple levels such as germplasm introduction, fry breeding, feed and feeding, breeding technology, breeding equipment and the like on the basis of the existing test breeding, a scientific, advanced and efficient technical means is adopted, a systematic and efficient artificial Australian crayfish breeding mode is gradually constructed, and necessary scientific basis and practical experience are provided for the development of subsequent breeding work.
The big water surface comprises lakes, reservoirs, rivers and the like, is an important freshwater aquaculture resource in China, has a plurality of aquaculture modes, mainly comprises stocking, cage culture, raft type hanging culture and the like at present, and has the following defects for Australia freshwater lobsters that the Australia freshwater lobsters are benthic reptiles and are difficult to capture and difficult to daily manage by the stocking mode; secondly, the stocking mode is a main source of problems in large-water-surface cultivation, and large amount of toxic nitrogen is accumulated in the water after the fishes and shrimps eat and spread the whole water, so that water pollution and environmental damage are caused; thirdly, the mutual competition and killing phenomena of the Australia freshwater lobsters in the processes of land taking, feed and activities are serious, and by adopting a net cage and raft culture mode, the effective culture area is very limited, and the living space is easily extruded under the action of water flow, fighting occurs and death is caused; fourthly, the Australia freshwater lobster and other shrimps and crabs are similar, and the molting needs to be completed for a plurality of times in the life cycle, and the death is easily caused by the interference in the period; the method is large-water-surface cultivation, except for raft type suspension cultivation, the upper water body is almost utilized, the middle-lower layer and the bottom layer space are almost utilized, and the surface water body is almost not utilized;
the Australia freshwater lobster breeding is an important variety for the development of modern fishery and faces the outstanding problems of mutual killing, molting death, low breeding density, large occupation of breeding space resources and the like. The increasing shortage of water resources and land resources throughout the world, the improvement of unit land output and the great saving of aquaculture water will certainly become the most important trend of modern fishery development, and therefore, the large water surface gridding aquaculture device for the Australia crayfishes is provided.
Disclosure of Invention
The invention aims to provide a large water surface gridding cultivation device which makes full use of a large water surface water body, effectively solves the problems of outstanding land leading, feed, molting and mutual competition and killing in the activity process in the cultivation process, can quantitatively calculate the growth condition in the cultivation process, can realize the virtuous cycle of cultivation water quality for Australia freshwater lobster and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a large water surface grid culture device for Australia freshwater lobsters comprises a floating boom, a culture tray and a aquatic weed planting box which are arranged on a large water surface, wherein the two ends of the floating boom are fixed on two banks or two end points, and the middle of the floating boom floats on the water surface and is used for suspending the culture tray and the aquatic weed planting box;
the aquaculture tray is used for aquaculture of Australia freshwater lobsters, monomer aquaculture or multi-body aquaculture can be carried out as required, the multi-body aquaculture is internally provided with a partition plate and a monomer aquaculture internal grating, and can be connected with a feeding pipeline, a micropore oxygenation pipeline and an excrement collecting pipeline;
the aquatic weed planting box is internally provided with foamed plastic and is used for planting aquatic weeds and is uniformly suspended on the floating boom;
the culture tray and the aquatic plant planting box are suspended on the floating ropes alternately or in parallel.
Preferably, the floating boom is made of HDPE material, phi is set to be 6-10cm, and the welding point is smooth in surface and sealed at the end and cannot enter water by using hot melting welding;
the floating ropes are used as floating bodies and rope traction;
the culture tray and the aquatic weed planting box are movably hung on the floating boom to facilitate traction and movement;
the two ends of the HDPE pipe are connected with polyethylene or other ropes for fixing on two banks or two end points;
the length of the floating boom is determined according to the distance between the two banks or the distance between the two end points.
Preferably, the cultivation tray is a rectangular body, is 60-100cm long, 60-100cm wide and 20-50cm high, and is formed by injection molding in one step;
the parts of the four sides of the culture tray, which are 1-5cm away from the bottom, are densely provided with meshes of 0.3-0.8, and the parts of the bottom of the culture tray, which are 1-5cm away from the bottom, are not provided with meshes, so that a certain water body is reserved in the culture tray in daily operation management;
each breeding tray is provided with a plastic grid-shaped cover which can be opened and closed, the grid is determined according to the specification of the cultured Australia crayfish, and the principle that the Australia crayfish cannot escape is taken as the grid, and the grid is usually 1-3 cm;
hooks are arranged at four corners of the culture tray and used for hanging the culture tray on the floating boom, and the culture tray can move on the floating boom under the action of an external force;
the monomer breeding device is characterized in that a grid is placed in a breeding disc and is formed by plastic injection molding, phi is densely distributed on the grid and has an aperture of 0.3-0.8, and a single layer is used, and the height is about 20cm, so that a plurality of breeding boxes are formed;
the multi-body cultivation device is characterized in that a partition plate is placed on a cultivation plate and is formed by plastic injection molding, the partition plate is not provided with a hole diameter, and is generally double-layer and about 40cm high, so that a public activity area and a plurality of hidden devices are formed.
Preferably, the aquatic plant planting box is a rectangular body with the specification of 60-100cm in length, 60-100cm in width and 15-30cm in height, and is formed by injection molding in one step;
phi meshes of 0.3 to 0.8 are densely arranged at the bottom and the four sides of the aquatic plant planting box;
a foam plastic plate with the specification of 60-100cm in length, 60-100cm in width and 15-30cm in height is placed in each aquatic plant planting box;
the aquatic weed spores are planted in the foam plastic board, one or more of the grass, the eyeweed, the hydrilla verticillata, the goldfish algae, the aegyptia, the water hyacinth and the water peanut can be selected for the aquatic weed according to local conditions, the aquatic weed covers the culture disc along with the growth of the aquatic weed, and the aquatic weed can be used as bait, so that the culture cost can be reduced, the environment simulation degree can be improved, and the ecological richness of the habitat can be improved;
hooks are arranged at four corners of the aquatic weed planting box and used for hanging the aquatic weed planting box on the floating boom, the aquatic weed planting box can move on the floating boom under the action of external force, and through aquatic weed planting, firstly, water quality is purified, carbon dioxide, hydrogen sulfide and other inorganic salts in a pond can be effectively absorbed through photosynthesis, ammonia nitrogen in water is reduced, dissolved oxygen and water quality purification and pH stabilization are achieved, water quality is fresh and cool, secondly, a concealing effect is achieved, a quiet environment is provided, ecological habits are met, a concealing effect is achieved, thirdly, water temperature is adjusted, wind and cold can be prevented in winter, a cool space can be provided in summer, and direct sunlight is shielded, so that the purposes of keeping water quality fresh, increasing transparency and avoiding fighting and eating are achieved.
Preferably, one or a plurality of air stone connectors are arranged on the bottom of the culture tray or the inner side of the side face of the culture tray and connected with the air inflation hose on the outer side of the culture tray, so that the culture tray can be conveniently inflated and oxygenated, and the water quality environment for Australia crayfish culture is improved.
Preferably, the hook of the culture tray is provided with a feeding device, one end of the feeding device is used for installing a feeding spraying device, the other end of the feeding device is connected with a feed conveying hose, an automatic pneumatic feeder is used for conveying the feed to each culture tray through a pipeline by pneumatic, automatic centralized feeding can be realized, a starting motor drives a Roots blower to work, and the blower enables a high-speed low-pressure air bottle to be formed in the pipeline and conveys the feed to each multilayer inhabitation device along a specified pipeline under the drive of air flow. And the control system controls the feeding and conveying of the whole automatic pneumatic feeder and realizes the starting and stopping according to the requirement.
Preferably, the middle of the bottom of the culture tray is provided with a concave device which is used as a collector for residual baits, excrement and the like, is connected with an external hose and then is connected with a water pump, and the residual baits, the excrement and the like collected in the collector are timely discharged to the outside of large water surface water areas such as lakes, reservoirs or rivers through timed extraction, and then corresponding treatment is carried out, so that the culture environment and the surrounding environment are optimized.
Preferably, the hooks at the four corners of the culture tray are connected with the culture tray and the floating boom room, and the spring force measuring devices are arranged on the hooks;
the spring dynamometer accessible wireless transmission technique is with the dynamometry data transmission that gathers to land computer in, calculates the Australia freshwater lobster growth rate of breed according to the formula, breeds the user, can throw the feed, manage and gather Australia freshwater lobster according to the calculated result, improves and breeds efficiency, and the computational formula that calculates Australia freshwater lobster output is:
K1＝(L-L0)/t；
K2＝(1nN-LnN0)/t；
wherein K1 is the absolute growth rate, K2 is the specific growth rate; l, N represents the average weight of each dynamometer breeding tray obtained by the measurement; l0 and N0 represent the average weight of the culture tray at each dynamometer obtained in the last measurement; t is time.
Preferably, the floating ropes are regarded as slideways, one sliding pipe is respectively arranged on each of two sides of each floating rope, and the sliding pipes can push the culture tray to move to one side under the traction of the ropes, so that the culture user can conveniently carry out seedling releasing, harvesting and daily management on the culture tray.
Preferably, the cultivation tray is internally provided with an oxygenation and removal device which is used for timely inputting oxygen into the cultivation tray and taking out residual baits, excrement and other excrement in the cultivation tray, and the oxygenation and removal device is arranged, so that oxygen is charged into the cultivation tray, and the effect of scraping the residual baits, excrement and other excrement in the cultivation tray is achieved in the oxygen charging process.
Preferably, the oxygenation removing device comprises a hollow conduit arranged inside the culture disc, two sides of the outside of the hollow conduit are communicated with a plurality of vent pipes, and the vent pipes are provided with one-way valves;
one side of the hollow conduit is communicated with an inflation hose for inflating the interior of the hollow conduit, and one end of the inflation hose penetrates through the culture disc to be communicated with external oxygenation equipment;
a guiding-out groove for guiding out excrement such as residual bait, excrement and the like is formed in the bottom end of the culture disc and on one side close to the connecting end of the inflatable hose;
limiting parts for limiting the movement of the hollow guide pipe are arranged on two sides of the inner wall of the culture disc;
the cavity type pipe bottom is equipped with the piece of striking off that is convenient for strike off excrement such as the residual bait of its bottom, excrement and urine through the piece of striking off that is equipped with to further play strikes off the effect to excrement such as residual bait of its bottom, excrement and urine.
Preferably, the locating part is including setting up the spacing groove at breed a set inner wall, and spacing inslot portion fixedly connected with slide bar, the sliding sleeve has been cup jointed in the slide bar outside slip, the sliding sleeve slides and runs through the spacing groove and is located the one end and the cavity type pipe fixed connection in the spacing groove outside, through the locating part that is equipped with to play and carry out the effect of leading to the in-process of cavity type pipe oxygenating in breeding the dish.
Preferably, strike off the piece including setting up the scraper blade in cavity type pipe bottom one end, the fixed bracing piece that has run through in scraper blade top, the fixed plate has been cup jointed in the rotation of bracing piece both ends, and fixed plate fixed mounting is in cavity type pipe bottom, arbitrary fixed plate outside fixedly connected with miniature waterproof motor, and miniature waterproof motor output and bracing piece fixed connection, through the miniature waterproof motor that is equipped with to play carries out driven effect to the bracing piece.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention solves the problem of the great water surface breeding mode of the Australia crayfish, is convenient for capture and daily management and is also convenient for collecting excrement such as residual bait, excrement and the like;
2. the method solves the serious problems of land leading, feed, activity competition and molting death in the traditional Australia crayfish breeding mode, and improves the breeding survival rate;
3. according to the method, the spring dynamometer is installed, the collected force measurement data are transmitted into the land computer, the growth rate of the cultured Australia freshwater lobsters is calculated according to a calculation formula, and feeding, management and collection are facilitated;
4. the aquatic plant planting box is hung alternately or in parallel, provides a place for inhabiting, hiding and feeding the Australia freshwater lobster for growth, benefits each other and brings out the best in each other, makes up the defects of the prior art, and is reasonable in design and convenient to operate.
Drawings
FIG. 1 is a schematic top view of a cultivation tray according to the present invention;
FIG. 2 is a side view of the cultivation tray of the present invention;
FIG. 3 is a schematic top view of the box for planting aquatic weeds of the present invention;
FIG. 4 is a schematic side view of the aquatic weed planting box according to the present invention;
FIG. 5 is a schematic view of the overall assembly layout of the present invention;
FIG. 6 is a schematic view of a single farm disc structure of the present invention;
FIG. 7 is a schematic view of the internal structure of a single cultivation tray according to the present invention;
FIG. 8 is a side cross-sectional view of a single habitat disc of the invention;
FIG. 9 is a schematic view of the hollow catheter of the present invention;
FIG. 10 is an enlarged view of area A of FIG. 8 in accordance with the present invention;
FIG. 11 is an enlarged view of area B of FIG. 9 according to the present invention.
In the figure: 1-a culture tray; 2-aquatic plant planting box; 3-an oxygenation removal device; 4-hollow type conduit; 5-a breather pipe; 6-a one-way valve; 7-an inflation hose; 8-a lead-out groove; 9-a limiting member; 10-a scraping element; 11-a limiting groove; 12-a slide bar; 13-a sliding sleeve; 14-a scraper; 15-support rods; 16-a fixed plate; 17-miniature waterproof motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-11
Example 1
As shown in the figure, the large-water-surface gridding aquaculture device for the Australian crayfish comprises a floating boom, an aquaculture tray 1 and a weed planting box 2 which are arranged on a large water surface, wherein two ends of the floating boom are fixed on two banks or two end points, the middle of the floating boom floats on the water surface and is used for suspending the aquaculture tray 1 and the weed planting box 2, the aquaculture tray 1 is used for aquaculture of the Australian crayfish and is provided with a gridding cover which is uniformly suspended on a floating boom, the weed planting box 2 is internally provided with foam which is used for planting weeds and is uniformly suspended on the floating boom, and the aquaculture tray 1 and the weed planting box 2 are alternately or parallelly suspended on the floating boom
Phi is 8cn, the HDPE material for the floating boom is welded by hot melting, two ends of the HDPE material are sealed, the surface of a welding point is smooth, and water cannot enter the HDPE material. The floating ropes are used as floating bodies and ropes, the culture disc 1 and the aquatic plant planting box 2 are movably hung on the floating ropes to be convenient to pull and move, and two ends of the HDPE pipe are connected with polyethylene or other ropes for fixing on two banks or two end points.
The culture tray 1 is made of a rectangular body with the specification of 10cm in length, 70cm in width and 20cm in height by injection molding. The part of the four edges, which is more than 3cm away from the bottom, is densely provided with meshes with phi of 0.5cm, and the bottom and the four edges are not provided with meshes below 3cm away from the bottom;
the cultivation tray 1 is internally provided with grids which are formed by plastic injection molding, the grids are densely provided with phi-0.3 cm apertures, and a single layer with the height of about 20cm is used to form 10 cultivation boxes. Each breeding tray 1 is provided with a plastic latticed cover which can be opened and closed, and the side length of the latticed cover is 2 cm. Hooks are arranged at four corners of the device and used for hanging the culture box on the floating boom, and the culture tray 1 can move on the floating boom under the action of external force.
The aquatic weed planting box 2 is a rectangular body, the specification is 100cm long, 70cm wide and 20cm high, the aquatic weed planting box is formed by one-step injection molding, meshes which are 0.5cm long and four sides are densely arranged at the bottom, a foam plastic plate which is 10cm long, 70cm wide and 20cm high is placed in each aquatic weed planting box 2, aquatic weed spores are planted in the foam plastic plate, the aquatic weeds can be selected from one or a plurality of bitter weeds, eyedrops, leaf blades, black brooks, goldfish algae, hyacinth, water hyacinth and water peanuts according to local conditions, hooks are not arranged at four corners of the foam plastic plate, the aquatic weed planting box 2 is hung on a floating boom, and the aquatic weed planting box 2 can move on the floating boom under the action of external force.
The floating ropes are regarded as slide rails, the slide pipes are respectively arranged on the two sides of the floating ropes, and the slide pipes can push the culture tray 1 to move to one side under the traction of the ropes, so that the culture users can conveniently put, catch and perform daily management on the culture tray 1.
Example 2:
in addition to example 1, the following additional functions were added
One or a plurality of air stone connectors are arranged at the bottom or the inner side of the side surface of the culture disc 1 and are connected with the air inflation hose at the outer side of the culture disc 1, so that the culture disc 1 can be conveniently inflated and oxygenated, and the water quality environment for culturing the Australia crayfish is improved.
A feeding device is arranged on the hook of the culture tray 1, one end of the feeding device is used for installing a feeding spraying device, and the other end of the feeding device is connected with a feed conveying hose. The automatic pneumatic feeder is used and is pneumatically conveyed to each culture disc 1 through a pipeline, so that automatic centralized feeding can be realized. The starting motor drives the Roots blower to work, the blower enables a high-speed low-pressure air bottle to be formed in the pipeline, and the high-speed low-pressure air bottle is driven by airflow to convey to each multilayer inhabitation device along the designated pipeline. And the control system controls the feeding and conveying of the whole automatic pneumatic feeder and realizes the starting and stopping according to the requirement. The middle of the bottom of the culture tray 1 is provided with a concave device which is used as a collector for residual baits, excrement and the like, is connected with an external hose and is then connected with a water pump. By timing extraction, the excrement such as residual bait, excrement and the like accumulated in the collector is discharged out of large water areas such as lakes, reservoirs or rivers, and corresponding treatment is carried out to optimize the culture environment and the surrounding environment.
An oxygenation removal device 3 used for inputting oxygen into the cultivation disc 1 in time and taking out residual baits, excrement and other excrement in the cultivation disc is arranged in the cultivation disc 1, the oxygenation removal device 3 comprises a hollow conduit 4 arranged in the cultivation disc 1, two sides of the outside of the hollow conduit 4 are communicated with a plurality of vent pipes 5, and the vent pipes 5 are provided with one-way valves 6;
one side of the hollow conduit 4 is communicated with an inflation hose 7 for inflating the interior of the hollow conduit, and one end of the inflation hose 7 penetrates through the culture disc 1 to be communicated with external oxygenation equipment;
a guiding-out groove 8 for guiding out excrement such as residual bait and excrement is arranged at the bottom end of the culture disc 1 and on one side close to the connecting end of the inflating hose 7;
the two sides of the inner wall of the cultivation disc 1 are provided with limiting parts 9 for limiting the movement of the hollow conduit 4, each limiting part 9 comprises a limiting groove 11 arranged on the inner wall of the cultivation disc 1, a sliding rod 12 is fixedly connected inside the limiting groove 11, a sliding sleeve 13 is sleeved outside the sliding rod 12 in a sliding manner, and one end, located outside the limiting groove 11, of the sliding sleeve 13 penetrates through the limiting groove 11 in a sliding manner and is fixedly connected with the hollow conduit 4;
When the external oxygenation equipment fills oxygen into the culture tray 1, the oxygen enters the hollow conduit 4, the check valves 6 on one side of the hollow conduit 4 are opened to fill oxygen into the culture tray 1, the check valves 6 are opened and the oxygen is pushed into the water in the culture tray 1, the water generates reverse elastic force to further push the hollow conduit 4 to move along the interior of the culture tray 1, meanwhile, under the limit action of the sliding of the two sliding sleeves 13 and the sliding rod 12, and the scraping plates 14 on the side surface and the bottom of the culture tray 1 play a role in scraping the excreta such as residual bait and excrement in the culture tray 1 during the moving process of the culture tray 1, the excreta such as residual bait and excrement are scraped to the interior of the guide groove 8, the impurities are sucked out and discharged through the pipeline at the guide groove 8, and when the hollow conduit 4 moves in the culture tray 1 in a direction far away from the guide groove 8, then under micro motor's drive, make scraper blade 14 rotate to be parallel with cavity type pipe 4 bottom, at this moment, cavity type pipe 4 bottom does not contact with breed dish 1 bottom, and then does not play the effect of scraping excrement such as incomplete bait, excrement and urine of breeding the dish 1 bottom, when cavity type pipe 4 removed along the direction that is close to derivation groove 8, then scraper blade 14 bottom and breed dish 1 bottom contact, realize scraping the effect of scraping the bottom of breeding the dish 1 inside.
The hooks at the four corners of the culture disc 1 are connected with the culture disc 1 and the floating boom room, and the spring force measuring device is arranged. The spring dynamometer can transmit the collected force measurement data to a land computer through a wireless transmission technology, and the growth rate of the cultured Australia freshwater lobsters is calculated according to a formula. The aquaculture user can throw and feed, manage and gather Australia freshwater lobster according to the calculation result, and the aquaculture efficiency is improved.
The calculation formula for calculating the yield of the Australia freshwater lobster is as follows:
K1＝(L-L0)/t；
K2＝(1nN-LnN0)/t；
wherein K1 is the absolute growth rate, K2 is the specific growth rate; l, N represents the average weight of each dynamometer breeding disk 1 obtained by the measurement; l0 and N0 represent the average weight of the culture tray 1 at each dynamometer obtained in the last measurement; t is time.
The floating ropes are regarded as slide rails, the two sides of each floating rope are respectively provided with a sliding pipe, and the sliding pipes can push the culture tray 1 to move to one side under the traction of the ropes, so that the culture users can conveniently carry out seedling releasing, harvesting and daily management on the culture tray 1.
Example 3:
according to the embodiment 1, the overall planning layout is carried out in a suitable large water surface water area of the reservoir. And (3) fully disinfecting and cleaning the boom, the culture plate 1 and the aquatic weed planting box 2 10 days before stocking, and then installing on the water surface according to the planned layout. The breeding of the offspring seeds is required to be as regular as possible, the body length is 4-5cm, the appendages are healthy, diseases and injuries are avoided, and the healthy vitality is strong. The hydrilla verticillata, the hornworts and the hyacinth are planted in the waterweed planting box 2 in a mixed mode. Feeding once every day, wherein the feeding is carried out at 0700-0900 in the morning or at 1700:1900 in the evening, the feeding is carried out according to 12% of the weight in the early stage and 8% of the weight in the later stage when the fresh and live feed is fed, and the feeding amount of the compound feed is fed according to the corresponding feed instruction. During cultivation, water temperature is 8-32 deg.C, pH is 7.2-8.6, and dissolved oxygen is maintained at above 5 mg/L.
Adopt monomer breeding device to carry out the cultivation experiment to Australia freshwater lobster:
a total of 5 ropes are arranged, each rope is 20 culture trays 1, and a total of 100 culture trays 1 and 70m2.5 ropes of parallel, spaced and crossed 5 weedsPlanting box 2, 100 aquatic plants planting boxes 2, count 70m2. 10 cultivations are carried out on each cultivation plate, the cultivation period is about 8-10 months, and the average cultivation specification is about 150 g.
According to the survival rate of 90%, the aquaculture yield of 1 aquaculture tray is 9, 1.35 kg, and the aquaculture yield of each square water body is reduced to 12.86, 1.93 kg of Australia freshwater lobsters. And the planting area of the aquatic weeds is added, and the culture yield of the Australia crayfish is reduced to 6.43 and 0.97 kg per square water body. Compared with the prior factory facility cement pond culture yield of 0.8-1.2 kg/m2The output of the pond culture is 0.6-1.0 kg/m2Compared with the prior art, the yield of the culture per unit area is 0.81-1.21 times or 0.97-1.62 times. Calculated according to 70% of the sale price of about 120 yuan/kg in the current market, namely calculated according to 84 yuan/kg, the comprehensive cultivation cost is about 50 yuan/kg, the cultivation output per square meter is 81.48 yuan, the profit tax is 32.98 yuan, the cultivation output per mu is 54265.68 yuan, and the profit tax is 21964.68 yuan.
The Australia crayfish breeding results show that the Australia crayfish in the test group has good growth vigor and high survival rate, has basically similar benefits compared with the prior industrial breeding and pond breeding, but has relatively low investment cost and fully utilizes large water surface water areas.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The large water surface gridding aquaculture device for the Australia freshwater lobsters comprises a boom, an aquaculture tray and a float grass planting box, wherein the boom, the aquaculture tray and the float grass planting box are arranged on a large water surface, and the device is characterized in that: the two ends of the floating boom are fixed on two banks or two end points, and the middle of the floating boom floats on the water surface and is used for hanging the culture tray and the aquatic plant planting box;
the aquaculture tray is used for aquaculture of Australia freshwater lobsters, monomer aquaculture or multi-body aquaculture can be carried out as required, the multi-body aquaculture is internally provided with a partition plate and a monomer aquaculture internal grating, and can be connected with a feeding pipeline, a micropore oxygenation pipeline and an excrement collecting pipeline;
the aquatic weed planting box is internally provided with foamed plastic and is used for planting aquatic weeds and is uniformly suspended on the floating boom;
the culture tray and the aquatic plant planting box are suspended on the floating ropes alternately or in parallel.
2. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the floating boom is made of HDPE material, phi is set to be 6-10cm, hot melting welding is used, the welding surface is smooth, two ends are sealed, and water cannot enter the boom;
the culture tray and the aquatic weed planting box are movably hung on the floating boom to facilitate traction and movement;
the two ends of the HDPE pipe are connected with polyethylene or other ropes for fixing on two banks or two end points;
the length of the floating boom is determined according to the distance between the two banks or the distance between the two end points.
3. The device of claim 2, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the cultivation tray is a rectangular body, is 60-100cm long, 60-100cm wide and 20-50cm high, and is formed by injection molding in one step;
the parts of the four sides of the culture tray, which are 1-5cm away from the bottom, are densely provided with meshes of 0.3-0.8, and the parts of the bottom of the culture tray, which are 1-5cm away from the bottom, are not provided with meshes, so that a certain water body is reserved in the culture tray in daily operation management;
each breeding tray is provided with a plastic latticed cover which can be opened and closed;
hooks are arranged at four corners of the culture tray and used for hanging the culture tray on the floating boom, and the culture tray can move on the floating boom under the action of external force.
4. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the monomer breeding device is characterized in that a grid is placed in a breeding disc and is formed by plastic injection molding, phi is densely distributed on the grid and has an aperture of 0.3-0.8, and a single layer is used, and the height is about 20cm, so that a plurality of breeding boxes are formed;
the multi-body cultivation device is characterized in that a partition plate is placed on a cultivation plate and is formed by plastic injection molding, the partition plate is not provided with a hole diameter, and is generally double-layer and about 40cm high, so that a public activity area and a plurality of hidden devices are formed.
5. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the aquatic plant planting box is a rectangular body, is 60-100cm long, 60-100cm wide and 15-30cm high, and is formed by injection molding in one step;
phi meshes of 0.3 to 0.8 are densely arranged at the bottom and the four sides of the aquatic plant planting box;
a foam plastic plate with the specification of 60-100cm in length, 60-100cm in width and 15-30cm in height is placed in each aquatic plant planting box;
the interior of the foam plastic plate is planted with aquatic weed spores, the aquatic weeds can be selected from one or a plurality of grass, eyeweed, hydrilla verticillata, hornworts, hyacinth, and alternanthera philoxeroides according to local conditions, and the aquatic weeds cover the culture disc along with the growth of the aquatic weeds;
hooks are arranged at four corners of the aquatic weed planting box and are used for hanging the aquatic weed planting box on the floating boom, and the aquatic weed planting box can move on the floating boom under the action of an external force.
6. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: one or a plurality of air stone connectors are arranged at the bottom of the culture tray or on the inner side of the side surface of the culture tray and are connected with the air inflation hose on the outer side of the culture tray.
7. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: breed and set up on the couple and throw the device of raising, throw and raise device one end and be used for the installation to throw and feed and sprinkle the device, and the other end is connected with fodder delivery hose, establish spill device in the middle of breeding the set bottom, as excrement collectors such as incomplete bait, excrement and urine, link to each other with outside hose, link to each other with the water pumper again.
8. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the cultivation plate four-corner hooks are connected with the cultivation plate and the floating boom room, the spring force measuring devices are installed on the cultivation plate four-corner hooks and connected with the cultivation plate and the floating boom room, the spring dynamometer is installed, the collected force measuring data are transmitted into the land computer through a wireless transmission technology, and the growth rate of the cultivated Australia freshwater lobster is calculated according to a formula.
9. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the inside of the culture tray is provided with an oxygenation and removal device which is used for inputting oxygen into the culture tray in time and taking out residual baits, excrement and other excrement in the culture tray.
10. The device of claim 1, wherein the device for culturing the Australia crayfish in a grid manner on the large water surface comprises: the oxygenation removing device comprises a hollow conduit arranged inside the culture disc, two sides of the outside of the hollow conduit are communicated with a plurality of breather pipes, and the breather pipes are provided with one-way valves;
one side of the hollow conduit is communicated with an inflation hose for inflating the interior of the hollow conduit, and one end of the inflation hose penetrates through the culture disc to be communicated with external oxygenation equipment;
a guiding-out groove for guiding out excrement such as residual bait, excrement and the like is formed in the bottom end of the culture disc and on one side close to the connecting end of the inflatable hose;
limiting parts for limiting the movement of the hollow guide pipe are arranged on two sides of the inner wall of the culture disc;
the bottom end of the hollow conduit is provided with a scraping piece which is convenient for scraping excrement such as residual bait, excrement and the like at the bottom of the hollow conduit.
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| CN202110047508.7A CN112616759A (en) | 2021-01-14 | 2021-01-14 | Australia freshwater lobster large water surface gridding culture device |
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Application publication date: 20210409 |