26 results about "Aquaculture" patented technology

The invention relates to a soilless culture method for feather cockscombs. The method comprises the following steps: (1) soaking feather cockscomb seeds at 20-35 DEG C for 4-12 hours; taking out and sprouting the feather cockscomb seeds at 25-35 DEG C in dark; (2) placing the sprouted feather cockscomb seeds on a substrate for seedling; transplanting feather cockscomb seedlings to a substrate or an aquaculture container for soilless culture after two true leaves grow on each feather cockscomb seedling; and (3) adding nutrient fluid to the substrate or the aquaculture container for soilless culture under a culture temperature of 25-35 DEG C, illumination intensity of 1000-7500 lux, illumination time of 6-12 hours and culture period of 20-35 days so that the feather cockscombs without more than 10 leaves grow. The method does not confined by seasons, avoids the pollution of water bodies and air, plant diseases and insect pests, weed harm, and the like, and can manually and annually produce good-quality feather cockscombs by the soilless culture, thereby providing a new path with fast effect, low cost, no pollution and good quality for effectively developing and utilizing the feathercockscombs.

The invention discloses a wave-making oxygen increasing machine, and belongs to the field of aquaculture. The wave-making oxygen increasing machine comprises a floating body and a motor which is fixedly installed on the floating body and shares the same axis with the floating body, and the motor drives a vane wheel to rotate through a reducer. The wave-making oxygen increasing machine is characterized in that the top of the motor is provided with a swinging driver, the swinging driver comprises a support rod and a balance weight ball, the bottom end of the support rod is located at the top of the motor and the support rod shares the same axis with the motor, the top of the support rod supports the balance weight ball, the balance weight ball does reciprocating motion around the axis of the motor under the action of gravity to enable the motor to swing, the floating body is driven to tilt up and down, and therefore waves are made. Compared with the prior art, the wave-making oxygen increasing machine utilizes the potential energy of the balance weight ball to enable the motor to swing to drive the floating body to tilt to make similar natural waves in a pond, the total dissolved oxygen content of the pond is increased, and the energy-saving effect is achieved; the structure is simple, the manufacturing cost is low, energy consumption is not increased, the range of the dissolved oxygen function of one machine is large, and therefore the culturing cost is lowered.

The invention relates to the technical field of ferment, especifically relates to a method for procuding aspergillus oryzae of xylanase capable of efficiently degrading feed substrate and xylanase. According to the strain aspergillus oryzae Y-1 with a preservation number CGMCC NO.6842 of xylanase capable of efficiently degrading feed substrate, the xylanase produced by the aspergillus oryzae Y-1 provided by the invention is capable of efficiently degrading feed and evidently improving the reproducing performance of animals, waste water and waste residue are not produced in the process of production, and no secondary pollution of the environment is caused. Accordingly the device for producing xylanase is simple, the producing cost is low, the xylanase can be used as feed additive of birds, livestocks and aquaculture animals and has wide a application range.

The invention discloses an aquaculture oxygenation system. The aquaculture oxygenation system comprises an air compressor used for supplying compressed air, an air storage tank used for storing the compressed air generated by the air compressor, an air supply main pipe connected to the air outlet end of the air storage tank, and a plurality of oxygenation devices located in pools used for aquaculture, and air supply branch pipes provided with pressure reducing valves are connected to pipe outlets of the air supply main pipe. Each oxygenation device comprises a top plate, side plates and a bottom support, wherein the side plates are arranged on the peripheral side of the top plate in a surrounding mode, oxygenation pipes are arranged at the bottom support in rows, and a guide port is formed in each side plate. The guide ports of all the oxygenation devices in the pools are distributed clockwise or counterclockwise. The peripheral lateral wall of each oxygenation pipe is provided with a plurality of micropores communicated with a pipe cavity of the oxygenation pipe. Each oxygenation device is connected with a pipe outlet in the corresponding air supply branch pipe through pipe openings of the corresponding oxygenation pipes. The aquaculture oxygenation system is stable in air supply and far in delivery distance, oxygenation can be realized without installing the oxygenation devices in all the pools, and the equipment is easy to install, low in energy consumption, low in usage cost and good in oxygenation effect.

The invention provides a living aquatic product transport case, and belongs to the field of aquaculture. According to the technical scheme, the case includes an outer case body, an inner case body isarranged in the outer case body, the top of the outer case body is provided with a case cover, a shockproof plate is arranged in the outer case body, a number of dampers are arranged between the shockproof bottom plate and the bottom surface of the outer case body, the inner case body is arranged on the shockproof plate, and a lifting mechanism is arranged in the inner case body. The transport case has the advantages that through the arrangement of the dampers, vibration of the transport case in the course of transportation is reduced, the situations that aquatic products are collided and scales fall off due to a bumpy road are reduced, impurities in water can be removed in time, water in the transport case can flow in cycle, the dissolved oxygen content of water in the transport case is ensured, the freshness of aquatic products is greatly improved, and the transport case is suitable for long distance transportation of the aquatic products.

The invention relates to a water purification system for aquiculture and relates to the technical field of water treatment and purification. According to the water purification system for aquiculture, a culture pond, a water pump, a filter device, a precision filter and an ultraviolet (UV) sterilization device form a circulation loop through a pipeline, wherein the filter device consists of a cylindrical settling tank of which the bottom has a shape of an elliptical head and a plurality of filter tanks, which are arranged adjacent to each other in turn, a water body flow direction is formed, and filter cotton is arranged between the settling tank and the filter tanks; the UV sterilization device comprises two annular pipelines and a plurality of circular tubes which are arranged between the two annular pipelines; two ends of the circular tubes are communicated with the annular pipelines through pipelines; UV sterilization lamp tubes and protective tubes are arranged in the circular tubes; the UV sterilization lamp tubes are arranged in the protective tubes; and two ends of the UV sterilization lamp tubes and the protective tubes are fixed through end covers. The water purification system for aquiculture has a wide application range, and large-particle substances, bacteria, excrement and other dirt in the water are effectively settled and filtered; and moreover, physical and chemical conditions for aquatic water are stable, and the efficiency for water treatment is high.

The invention relates to the technical field of aquaculture in fishery, in particular to an automatic feeder for aquaculture in fishery. The automatic feeder comprises a frame, paddle mechanisms, a direction control mechanism, a feeding mechanism, buoyancy regulation mechanisms, a storage battery and a controller. The paddle mechanisms are symmetrically and fixedly mounted on the frame relative tothe axis of the frame in the length direction. In operation, operating ends of the paddle mechanisms contact with water, the direction control mechanism is fixedly mounted on the central axis of theframe, an operating end of the direction control mechanism extends into water in operation, the feeding mechanism is fixedly mounted on the frame while the bottom penetrates the frame, the buoyancy regulation mechanisms are fixedly mounted around the frame, and the storage battery is fixedly mounted on the frame. By adoption of the technical scheme, the problem of nonuniformity in feeding of fishfeed in the prior art is solved, and the automatic feeder is convenient and controllable in direction adjustment, low in environmental requirements, wide in application range and suitable for both uniform feeding and concentrated feeding to avoid waste of the fish feed.

The invention discloses a microbial compound fertilizer, and belongs to a compound organic fertilizer. The microbial compound fertilizer comprises animal waste, aquaculture pond sludge, a microbial agent, potassium chloride and calcium hydrogen carbonate. The microbial agent comprises azotobacter chroococcum, bacillus laterosporus, silicate bacteria, bacillus megaterium, bacillus cereus, silicate bacteria, lactobacillus and phosphorus-solubilizing bacteria. The microbial compound fertilizer is granular, is convenient to use, can be directly used and also can be used after being diluted in water.

The invention discloses a composition for preventing and treating gill rot, enteritis and red skin disease of grass carps, and relates to the technical field of aquaculture. The composition is prepared from the following raw material medicines in parts by weight: 10 parts of rheum rhabarbarum, 10 parts of parslane herb, 10 parts of amur corktree bark, 10 parts of baikal skullcap root, 12 parts of toad venom, 8 parts of honeysuckle flower, 8 parts of fresh ginger and 15 parts of liquorice root; and the composition is prepared by grinding the raw material medicines into powder and mixing. The composition disclosed by the invention has the beneficial effects that the composition has significant effects on prevention and treatment of bacterial 'three old diseases' such as gill-rot, enteritis and red skin disease of the grass carps, is simple in use method, is convenient to administrate medicines into ponds, and is high in cure rate and rapid in recovery; pathogenic bacteria cannot have medicine resistance to the composition, and the environmental pollution cannot be caused to an aquaculture water body; and the composition is cheap in medicine and low in treatment cost.

The invention discloses a microbial water purifier for aquaculture water bodies, wherein the microbial water purifiers for aquaculture water bodies are activated bentonite particles immobilized with Bacillus subtilis coagulans. The present invention also provides a preparation method of the above-mentioned microbial water purifying agent for aquaculture water. The microbial water purifier for aquaculture water of the present invention adopts the bentonite as the immobilization carrier, takes the coagulated Bacillus subtilis as the immobilization object, and increases the value of the immobilized bacteria through the co-cultivation, the amount of immobilized bacteria is large, and the enrichment efficiency is high; all the materials used are non-toxic It is harmless, has no secondary pollution, has low cost, is convenient for transportation and storage, and can realize large-scale production.

The invention belongs to the technical field of biogas slurry fertilizers, and discloses a preparation method for an odourless high-valued biogas slurry fertilizer. The preparation method comprises the following steps: taking biogas slurry, and pumping the biogas slurry into an aerobic fermentation device; respectively adding an organic carbon source compound, a nitrogen source, a phosphorus source and a potassium source into the biogas slurry to obtain a mixed liquid, and regulating the pH value of the mixed liquid until the mixed liquid is acidic; adding an aerobic microbial agent into the mixed liquid, and performing aerobic fermentation culture; adding an anaerobic microbial agent into the mixed liquid which is subjected to aerobic fermentation, and performing anaerobic fermentation culture; in an anaerobic fermentation culture process, adding inorganic acid calcium. The biogas slurry fertilizer provided by the invention takes the biogas slurry as a raw material, is prepared into ahigh value-added fertilizer which is rich in a plurality of probiotics and nutrients by adding a plurality of auxiliary materials and elements, such as nitrogen, phosphorus, potassium and calcium, and can be used for agricultural irrigation and aquaculture.

The invention provides an aquaculture pond. The aquaculture pond comprises a culture pond as well as a heat exchange device, a water pump, a temperature measuring device, a heating device and a powersupply device, wherein the heat exchange device comprises a heat exchange water pipe, a water outlet pipe and a water inlet pipe; the heat exchange water pipe is arranged 80-120m below the culture pond, and the water outlet pipe is arranged at one side of the culture pond and is used for connecting the culture pond with one end of the heat exchange water pipe; the water inlet pipe is arranged at the other side of the culture pond and is used for connecting the culture pond with the other end of the heat exchange water pipe; the water pump is used for driving water in the culture pond to move toward the water inlet pipe from the water outlet pipe; the temperature measuring device is arranged on the water inlet pipe and used for measuring water temperature in the water inlet pipe; the heating device is connected with the temperature measuring device, arranged on the water inlet pipe and used for increasing water temperature in the water inlet pipe; and the power supply device is used forsupplying power to the heating device. By virtue of the scheme, fish overwintering cost can be reduced.

The invention relates to the field of preventing and treating diseases of aquaculture animals, in particular to a composition for preventing and treating crustacean diseases for crustaceans. The composition comprises the following components in weight portion: 5 to 15 portions of vitamin D3, 3 to 9 portions of vitamin, 15 to 30 portions of calcium dihydrogen phosphate, 0.1 to 0.6 portions of citric acid, and 46 to 47 portions of vector. The composition has the advantages of having growing and recovering functions for carapaces of crustaceans and the hardness after exuviation, improving the survival rate of exuviation, increasing the bright color and the gloss of the body surfaces of the crustaceans, assisting the treatment of crustacean ulcer, improving the disease resistant and anti-stress capabilities, and increasing the hardness of the carapaces to improve the yield.

The invention belongs to the field of drug preparations and in particular relates to a povidone-iodine solution as well as a preparation method and an application thereof. The povidone-iodine solution disclosed by the invention is coated with chitosan and lambda-carrageenan outside povidone-iodine, can stably exist in a water body, has long acting time and has low requirements on conditions such as the pH value of the water body; the povidone-iodine solution is capable of slowly releasing molecular iodine so as to achieve a long-acting antibacterial effect; the method for preparing the povidone-iodine solution in the invention is simple, easy to operate and applicable to industrial production; and the povidone-iodine solution can be used for aquaculture and has high aquatic product survival rate.

The invention provides a pond culture method of penaeus monodon. The method comprises the following steps: constructing a shrimp pond, treating a water source, putting in young shrimps, and performingaquaculture treatment. The shrimp pond is disinfected, a biological agent is put in to adjust water quality after water injection, the culture environment of the shrimp pond is improved, a role in preventing diseases is played, and a survival rate is improved. The aquaculture treatment and water quality adjustment management are carried out in stages, different baits are fed in each period, the plant combination is used to improve the penaeus immunity, and nutrients in the penaeus are improved.

The invention discloses a molecular identification method for eleutheronema rhadinum and eleutheronema tetradactylum based on a COI gene sequence. The molecular identification method comprises the following steps of 1) extracting genome DNA of eleutheronema rhadinum and eleutheronema tetradactylum; 2) performing PCR amplification on cytochrome oxidase subunit I genes of eleutheronema rhadinum andeleutheronema tetradactylum by using an upstream primer and a downstream primer to obtain a PCR product of a target fragment; and 3) purifying the amplification products, directly sequencing, comparing the sequences of the amplification products of eleutheronema rhadinum and eleutheronema tetradactylum, determining that product is the eleutheronema tetradactylum if the 356-357th site base of the sequence is AA, and determining that product is the eleutheronema tetradactylum if the 356-357th site base is GG. The method can be used for rapidly, simply, accurately and effectively identifying eleutheronema rhadinum and eleutheronema tetradactylum, is stable in result and high in repetition rate, and plays an important role in aquaculture and fishery resource investigation.

The invention discloses an integrated photovoltaic oxygenation mechanism with a fish food feeding device for an aquaculture fishpond. The integrated photovoltaic oxygenation mechanism comprises floating plates, a front mounting plate and a rear mounting plate are mounted on the front portion and the rear portion of the floating plate correspondingly, a lower flat plate is welded to the upper surface of the rear mounting plate, an upper flat plate is mounted on the upper surface of the lower flat plate, bearing pedestals are mounted on the front portions and the rear portions of the upper surfaces of the two sets of floating plates, and a rod is assembled between the two sets of bearing pedestals. According to the integrated photovoltaic oxygenation mechanism with the fish food feeding device for the aquaculture fishpond, a motor assembly is in butt joint with a current condenser through a waterproof wire, electric quantity communication is achieved, finally, the motor assembly operates to drive an upper frame strip and a poking piece to rotate, the upper frame strip and the poking piece are located in water at the moment, when the floating plate moves upwards and abuts against a river bank, a driving rod is controlled to operate, a wave water assembly composed of the upper frame strip and the poking piece can be driven to rotate in water, so that the movement track of the floating plate can be changed, and the floating plate can be changed in direction at the river bank.

The invention discloses an aquaculture sewage circulation purification method. According to the method, particulate matters in aquaculture sewage are filtered by a sewage filter box (3), sewage purification effects are improved, a filter plate (12) is fixedly mounted in the sewage filter box (3), the particulate matters are filtered by the filter plate (12), an opening (13) is formed in the top ofthe sewage filter box (3), the particulate matters in the sewage filter box (3) are conveniently taken out through the opening (13), a second water discharging pipe (14) is fixedly communicated withthe right side of the sewage filter box (3), and a biological purification box (4) is fixedly communicated with the other end of the second water discharging pipe (14). According to the method, the sewage purification effects are improved, soluble and colloid organic pollutants in the sewage are removed, harmful bacteria in the sewage are eliminated, organic matters in the sewage difficult to be oxidized and decomposed by microorganisms or a common oxidation method are adsorbed, water source waste rate is reduced, environment-friendly and saving effects are achieved, water circulation is achieved, and the method has the advantages of environmental friendliness and conservation, so that the method effectively solves the problems that water resources are wasted and ecological environments are destroyed due to existing sewage discharge.

The invention provides a multifunctional goldfish culture apparatus, and belongs to the technical field of aquaculture. The multifunctional goldfish culture apparatus comprises a culture box; a feeding device is arranged at the upper part of the middle part of the culture box; a partition board is arranged at the lower part of the inner part of the culture box; a rotary disc is arranged below thepartition board; an oxygen outlet pipe is arranged below the rotary disc; and the oxygen outlet pipe is provided with oxygen outlet holes. The apparatus can supply oxygen for a long time, so that theliveness of goldfish is ensured, the culture density can be reduced, and the culture carried out by the apparatus is close to purely ecological culture. The apparatus also has a function of automatically feeding baits, and the color of the fish body can be brighter.

The invention provides an aquaculture informatization VR technology platform which comprises a camera, a support, an image transmission line and a VR viewer, the camera is used for shooting underwater aquaculture scenes, the support is arranged on the surface of underwater equipment and used for fixing the camera, one end of the image transmission line is electrically connected with the camera, the other end of the image transmission line is electrically connected with the VR viewer, and the image transmission line is used for presenting the scene shot by the camera at the VR viewer, so that the system has the advantages that panoramic display of the production environment, the production process and the production flow of the aquaculture enterprise can be realized, remote control is realized, and labor force is liberated.

The invention relates to a carbon dioxide removal device for aquaculture. The carbon dioxide removal device comprises a first barrel, a second barrel and a third barrel which are sequentially connected from top to bottom, wherein a water inlet hole is formed in the side wall of the first barrel, an air outlet hole is formed in the side wall of the second barrel, and a water outlet hole and an air inlet hole are formed in the side wall of the third barrel. The carbon dioxide removal device also comprises a rotary water distributor, a water inlet pipe , a filler supporting plate and a filler layer; the rotary water distributor is provided with a rotary center and a water distribution hole and is arranged in the first barrel; two ends of the water inlet pipe are respectively connected to the water inlet hole and the rotary water distributor; the filler supporting plate is arranged between the second barrel and the third barrel; the filler layer is arranged on the filler supporting plate; when a water body to be treated is subjected to carbon dioxide removal treatment, the water body to be treated enters the carbon dioxide removal device for aquaculture through the water inlet hole, sequentially passes through the water inlet pipe, the water distribution hole, the second barrel and the third barrel, and then flows out through the water outlet hole; and when the water body to be treated flows through the rotary water distributor, the water distribution hole does circular motion by taking the rotation center as the circle center, so that the gas exchange effect can be improved, and the carbon dioxide removal efficiency is improved.

The invention relates to puffed floating compound feed for anabarilius grahami and a preparation method of the feed, and belongs to the technical field of aquaculture. The puffed floating compound feed comprises, in percentage by weight, 12-21% of Peru fish meal, 7-9% of silkworm chrysalis meal, 12-14% of shrimp meal, 6-7% of pig blood powder, 12-14% of soybean cake powder, 7-9% of rapeseed cake powder, 12-15% of tertiary flour, 11-16% of wheat bran, 9-13% of fine rice bran, 1-2% of fish oil, 1.0-2.0% of monocalcium phosphate, 0.05-0.1% of 35% Vc phosphate, 0.2-0.3% of 50% choline chloride, 0.5-1.0% of special compound premix for aquatic products and 0.1-0.3% of Huier C (90%). Through strict raw material screening and the innovative preparation method, the feed is processed into the puffedfloating granular feed with the particle size of 1.00 mm, and the puffed floating granular feed has the characteristics of good palatability, high utilization efficiency, little water body pollutionand the like.