144 results about "Shrimp aquaculture" patented technology

The invention belongs to the technical field of shrimp aquaculture technology, in particular to a healthful aquaculture technology for freshwater shrimps from the young shrimp period to the adult shrimp period. The healthful aquaculture technology for the freshwater shrimps from the young shrimp period to the adult shrimp period includes a fully healthful method for raising the freshwater shrimps from the young shrimp period to the seedling period, each step uses the most reasonable aquaculture technology according to the life habits and morphological features of the freshwater shrimps, and the water sterilization, feed blending for the young shrimps and adult shrimps, water change, fertilization, green feed planting, rigid management and the like are designed reasonably. The feed for the young shrimps and adult shrimps is rich in nutrition needed for the freshwater shrimps at each growth stage. By means of the technical scheme, the young shrimps raised through the healthful aquaculture technology are featured with uniform size, short aquaculture period, much meat and good taste.

The invention relates to a continuous shrimp aquaculture system, which comprises a first-stage aquaculture pool, a second-stage aquaculture pool, a third-stage aquaculture pool, a fourth-stage aquaculture pool, a fifth-stage aquaculture pool, a sixth-stage aquaculture pool, a transfer pipeline, a gate pipe, a water inlet pipe and a water discharge pipe, wherein the volume of the next stage of aquaculture pool is double of the former stage of aquaculture pool, and a fall difference exists between the bottom of the next stage of aquaculture pool and the bottom of the former stage of aquaculture pool. The continuous shrimp aquaculture system has the beneficial effects that the structure is simple, the operation is convenient, the adaptation proportion of shrimp growth individuals and water bodies is fully considered, the waste of aquaculture water bodies is avoided, constant temperature, circulation water, high intensity and small water bodies are adopted, the water body quality is easy to control, the continuous shrimp aquaculture system is applicable to large-scale industrial aquaculture, the shrimp aquaculture number in the unit water body can be greatly increased, and a multistage multiple aquaculture mode is adopted, the output time of adult shrimps can be greatly shortened, the idle time of equipment is reduced, and the utilization rate of the equipment is improved. The production efficiency is greatly improved, and is improved by 3 to 5 times through being compared with the outer pond aquaculture efficiency.

A method for shrimp aquaculture, in which, all growth phases and essential operations are modularized and integrated to form a multi-phasic synchronous super-intensive shrimp production system controlled by a custom designed cyber-physical platform. Modular components include: post-larvae nursery module(s), grow-out production module(s), recirculating aquaculture system (RAS) module(s), feed distribution module(s) and regulatory elements comprised of Program Logic Controllers (PLCs) integrated with Human Interface Modules (HIMs).

A system for indoor shrimp aquaculture is described that comprises a plurality of stacked raceways, each raceway being a long, flat rectangular tank comprising at least two sections arranged in series and scaled to accommodate shrimp of increasing size. The sections are separated by a moveable section divider whereby shrimp may be transferred between sections once they reach a predetermined size by opening the moveable section divider and allowing the shrimp and water to flow through into the next section. Each raceway includes a waste collection assembly situated at the downstream end of each section for collecting waste for removal. Methods of using the system to grow shrimp are also provided. The raceways are further adapted to facilitate operation of the production module at large scales, in this way; the system is scaleable to achieve high-throughput production of shrimp.

The invention discloses an application method for ecologically breeding macrobrachium nipponensis and Odontobutis obscura in a pond by utilizing an artificial ecological base. The method comprises the following steps of (1) pond selection; (2) forming of pond artificial ecological base layout and biological film; (3) fry stocking; (4) feedstuff feeding; (5) water quality regulation and control and daily management; (6) fishing of grown macrobrachium nipponensis and grown Odontobutis obscura. Compared with the prior art, according to the method, the water quality of the pond can be kept good and stable, water does not need to be replaced in the whole breeding period except in the season with higher water temperature, new water is added to increase the water level, no breeding wastewater is drained, and the ecological benefits are obvious; the biocenosis such as microorganisms and algae on the ecological base can provide the suitable habitat for shrimp seeds and the Odontobutis obscura; the Odontobutis obscura is utilized for catching and feeding on the weak and sick shrimp seeds and autumn seeds bred in august; the breeding disease rate of the macrobrachium nipponensis is reduced; the out-of-pond specification and yield of the grown macrobrachium nipponensis are improved, and the economic benefits are obvious.

The invention relates to the technical field of rice shrimp aquaculture and discloses an aquaculture method for rice shrimps. According to the aquaculture method for rice shrimps, farming of langoustine can loosen the soil and kill pest; the rice can absorb nutrient elements in the water body and plays the role of shade, which not only purify the aquaculture water body, but also provide habitats and hiding places and therefore good growing environment for langoustine is created and the quality of langoustine is increased; the metabolism products of the langoustine provides organic fertilizer for paddy rice so as to reduce the usage of chemical fertilizer and pesticide during the rice planting process; the space of paddy rice field is effectively utilized; by means of the aquaculture methodof the invention, the langoustine grows fast and has normal sizes; the normal production of rice is not affected; the field is used for two purposes, which greatly increases income.

The invention discloses a circulating water device for shrimp aquaculture as well as an operating method thereof. The device comprises an aquaculture water tank, a sedimentation tank, a floating-type filter tank and a water pump unit, wherein the aquaculture water tank is provided with a first water outlet; the sedimentation tank can be used for solid-liquid separation; the floating-type filter tank is filled with a filter material and floats on the water level of the aquaculture water tank; the water pump unit can extract water in the sedimentation tank to the floating-type filter tank; the sedimentation tank is provided with a first water inlet and a sewage exhaust port; the first water inlet is communicated with a first water outlet. Because water in the aquaculture water tank is circulated, the water exchange quantity is reduced; the water temperature change is tiny; the shrimp survival rate can be improved, and the yield can be improved; the water in the aquaculture water tank is circulated to use, the pollution of the surround sea areas is reduced, and the ecological environment is protected; meanwhile, pollutants exhausted from the sewage exhaust port can be treated further, and fertilizers can be abstracted and the like; the circulating water device for shrimp aquaculture and the operating method thereof lower the cost, and are energy-saving and environment-friendly. The device is especially suitable for high-density shrimp aquaculture.

The invention provides a multifunctional sea cucumber culture method. The specific culture method comprises the steps that a pond is reconstructed, the bottom of the pond is paved with mud and sand, aquatic plants are cultured in the mud and sand, and sea cucumber attachment reefs are dropped into the pond and attached to reefs; sludge at the bottom of the pond is thoroughly cleared away, disinfection and fertilization are carried out, and a good ecological environment is created for the sea cucumbers, jellyfishes and prawns entering the pond; the sea cucumber dropping specification is 40-400 per kilogram. According to the multifunctional sea cucumber culture method, the sea cucumbers, the jellyfishes and the prawns are subjected to mixed aquaculture; in the culture process, the jellyfishes are weak-light bionts and live in the middle layer of the culture pond; the prawns live in the mud and sand; the sea cucumbers grow on the reefs and the aquatic plants in an attachment mode. The jellyfishes eat substances harmful to the sea cucumbers as bait, the sea cucumbers are prevented from being affected, and healthy growth of the sea cucumbers is guaranteed. The jellyfishes mainly eat hydroplanktons. The prawns eat artificial diet during culturing. The hydroplanktons eat excrement of the prawns. The sea cucumbers, the jellyfishes and the prawns can grow more quickly and healthily through mutual support.

The invention discloses a voyage-type automatic bait feeding machine for shrimp aquaculture. The bait feeding machine comprises a bait box, a motor b is arranged in the bait box, an output end of themotor b is connected with a hollow rotating bar, the lower portion of the rotating bar is connected with a feeding disk through a conveying rod, a floating rod is mounted on the side surface of the bait box, a floating ball is connected at the end of the floating rod, and a propeller is arranged on one side of the floating ball and connected with the bait box through a connecting rod. According tothe bait feeding machine, rotation of the motor b drives the conveying rod connected on the lower portion of the rotating bar and the feeding disk to rotate, baits are more uniformly thrown in the rotating process of the feeding disk, the floating rod and the floating ball are mounted on the side surface of the bait box, the whole bait feeding machine can stably float on the water surface, the propeller is arranged on one side of the floating ball and can drive the bait feeding machine to run forwards, voyage-type automatic bait feeding of the bait feeding machine is achieved, the propeller rotates on the water surface, flow of water in an aquaculture pond is accelerated, contact between aquaculture water and air is facilitated, and the dissolved oxygen content of the aquaculture water isincreased. The bait feeding machine is simple in structure, convenient to operate and suitable for large-scale popularization.

The invention provides a method for cultivating lobsters by using an under-forest channel purse net. The method comprises the following steps: selecting a channel communicated with a lake or a river as a cultivating region; building intercepting embankments at the two ends of the selected cultivating region; planting poplars capable of shielding sunlight at the two sides of the cultivating region and planting aquatic plants on the water surface of the cultivating region; burying wood piles at the periphery of the cultivating region and fixing a stainless steel wire net; covering anti-escaping cloth at the top end of the steel wire net of the cultivating region; arranging floatable wood bait feeding platforms at the two ends of the cultivating region; adding the lobsters into the cultivating region, wherein the cultivation period is three months and the lobsters are cultivated in two seasons of one year. The method has the beneficial effects that 1, a good way for developing and utilizing waste channel water body resources and obtaining a high additional value is explored; 2, the lobster cultivation amount and the bait feeding amount can be controlled so as to prevent the resources from being wasted; 3, external predators and epidemic disease harms are conveniently prevented; 4, by improving the oxygen content of water bodies and lowering the ammonia content through micro-flow water, the survival rate and the quality of the lobsters are improved.

Disclosed is a rice field shrimp aquaculture water quality control system. The system comprises a ridge, a rice field and a shrimp gutter. The horizontal plane of the rice field is lower than that ofthe ridge, the horizontal plane of the shrimp gutter is lower than that of the rice field, any side of the rice field is directly connected with the ridge through a connecting region, a gutterway is arranged at the position, adjacent to the ridge, of the connecting region, the connecting region is flushed with the rice field, the horizontal plane of the gutterway is higher than that of the shrimpgutter and lower than that of the rice field, one end of the shrimp gutter is divided into a settling region and a water purifying region through a baffle and a filtering baffle, the other end of theshrimp gutter is communicated with the gutterway, the water purifying region is located at the outmost end and provided with a water pump, a water outlet of the water pump stretches into the portion above the gutterway. The defects in the prior art are overcome, the food distribution uniformity inside the shrimp gutter is effectively improved, the water quality inside the shrimp gutter is ensured,and therefore the quality and meat quality of crayfish are improved.

The invention discloses an automatic bait throwing device for crayfish breeding. The automatic bait throwing device structurally comprises a movable base, wherein a bearing seat and a servo motor are arranged on the movable base, the bearing seat is fixedly connected with the middle of the upper surface of the movable base through screws, the servo motor is fixedly connected with the bottom of the movable base through screws, and the bearing seat is connected with a rotating disc through a motor rotating shaft; and a mounting plate, a magnetic suction plate and a feed box are arranged on the rotating disc, the mounting plate is fixedly connected with the left side of the upper end of the rotating disc through screws, and the magnetic suction plate is fixedly connected with the middle of the upper end of the rotating disc through screws. According to the automatic bait throwing device for crayfish breeding, automatic bait throwing is achieved, the labor intensity of operators in the bait throwing process is reduced, the efficiency of the operators in the bait throwing process is improved, the position of the bait in the bait throwing process can be conveniently changed, and the bait throwing range of the bait throwing device is widened.

The invention discloses a technique for sustainable aquaculture of litopenaeus vannamei and penaeus monodon in ecological ponds. The area of each shrimp pond is not fixed and is generally 20 mu, in regard to each pond, the pond bottom is sandy mud or silty, the water quality is better, the pollution is less, planktons are rich, the proportion of seawater is about 1.024, the pH value is about 8.0,each shrimp pond has the water depth of 2 meters and is provided with a water inlet and a water outlet which are independent, and the water inlets and the water outlets are preferably separated independently, so that the irrigation and drainage requirements of shrimp aquaculture are met, and automatic irrigation and drainage cannot be carried out in a neap season. According to the technique for sustainable aquaculture of litopenaeus vannamei and penaeus monodon in the ecological ponds, solar exposure for pond bottoms and the comprehensive pond disinfection enable germs and bacteria in the shrimp ponds are eradicated, and harm during aquaculture of litopenaeus vannamei and penaeus monodon is avoided; regular water quality detection enables data in a water body convenient to control, accordingly the prevention effect is achieved, diseases during shrimp aquaculture are minimized, litopenaeus vannamei aquaculture in summer is avoided, and the disease frequency during aquaculture is minimized.

The invention discloses a breeding and separated planting and breeding method for large-size finished crayfishes, and belongs to the technical field of aquaculture. The breeding and separated plantingand breeding method comprises the following steps of (1) transforming and optimizing of field engineering; (2) cleaning and drying of a rice field; (3) planting and maintaining of aquatic plants; (4)cultivating of high-quality young shrimps; (5) culturing of large-size finished shrimps; (6) feed feeding and management; (7) water quality management and disease green prevention and control; and (8) planting and breeding comprehensive management. According to the method, a batch of high-quality young shrimps and large-size finished shrimps can be harvested by utilizing the technologies of selecting and remaining high-quality parent shrimps, breeding and breeding separation and the like, so that the limitations that the young shrimps in a crayfish breeding pond are irregular in specification, the young shrimp storage amount cannot be accurately counted and the high-quality large-size finished shrimps cannot be bred in an existing rice shrimp breeding mode are avoided; and the problems that crayfishes produced in an existing crayfish and rice mode are irregular in specification, high in death rate, low in benefit and the like are solved, a rice field ecological system is fully utilized for comprehensive planting and breeding and green production, and the crayfish specification and quality are improved.

The invention discloses a tail water treatment and circulation system of a shrimp aquaculture pond. The tail water treatment and circulation system comprises an outdoor aquaculture water pretreatment system and an indoor aquaculture circulating water treatment system, wherein the outdoor aquaculture water pretreatment system is characterized in that tail water of the shrimp aquaculture pond is precipitated in a precipitation tank to remove solid waste; the precipitated water is subjected to aeration treatment for 2-3 hours; color-removing deodorant is added into the water after the aeration treatment; the color-removed and deodorized water is filtered through a filter screen to remove particle impurities with the particle size being larger than 100 micrometers and then enters the indoor aquaculture circulating water treatment system; the indoor aquaculture circulating water treatment system is characterized in that the filtered water is pumped into a water return pond; the water treated by the water return pond is pumped into a biological filter through a circulating pump; the water treated by the biological filter directly enters the shrimp aquaculture pond. The tail water treatment and circulation system saves water resources, reduces the waste of the water resources, improves the water utilization rate by more than 99%, reduces harmful substances in the treated water, and achieves green and harmless products.

The invention discloses a white shrimp aquaculture pond with phased pollution discharge and water storage functions and a pollution discharge and water storage method implemented by the white shrimp aquaculture pond. The white shrimp aquaculture pond is characterized in that an air blast pipeline is arranged at the bottom of an aquaculture pond body, an inlet of the air blast pipeline is formed inthe outside of the air blast pipeline, and an air blast pump is arranged at the inlet; a pollution discharge pipeline is arranged at the bottom of the aquaculture pond body, a plurality of slit suction ports which are connected with the pollution discharge pipeline are arranged on the pollution discharge pipeline, an outlet of the pollution discharge pipeline is formed in a purified water tank, the purified water tank is arranged on a side of the aquaculture pond body, and a pollution discharge pump is serially connected onto the pollution discharge pipeline; a netted barrel which is coaxialwith the purified water tank is arranged in the purified water tank, a closed end is fixed onto a rotary shaft, the rotary shaft is fixed onto an output shaft of a driving motor by a coupling, a purified water drain pipeline is arranged at the bottom of the purified water tank and is communicated with a supplementary water pipe and a pure water backflow pipe via a three-way valve, and a sludge discharge pipeline is further arranged in the purified water tank. The white shrimp aquaculture pond and the pollution discharge and water storage method have the advantage that the growth speeds of white shrimp can be maintained.

The invention relates to a fish and shrimp mixing aquaculture method, and belongs to the technical field of fish and shrimp aquaculture. The fish and shrimp mixing aquaculture method can effectively improve the survival rate of shrimp larvae, shorten the input amount of the shrimp larvae, and can reduce the cost of the shrimp larvae. The technical scheme of the invention includes the following steps: a, infrastructure preparation: with a 20 mu of soil pool as a standard, a 80-mesh bolting cloth is used to surround a 1 mu of small pool, or a bulldozer is used to establish an about 1 mu of soil pool; and oxygen supply facilities such as different air blowers are arranged according to the size of a middle stage cultivation water surface; b, shrimp larvae standardization breeding; c, basic feed input and feeding; e, shrimp larvae fishing: when the specification of prawns reaches 5 cm after thrice standardization breeding, gates of a net and the small pool are opened, the shrimp larvae are placed to a large pool to be cultured; and f, adult shrimp cultivation and harvesting: high quality feed is selected in later prawn cultivation with prawn compound feed as a main component, and the prawn can be harvested in June. The fish and shrimp mixing aquaculture method can be widely used for fish and shrimp mixing aquaculture.

The invention relates to the technical field of aquaculture, and particularly discloses a shrimp nest structure, a freshwater shrimp culture method and application. The shrimp nest structure comprisesa mounting base arranged in a culture pond and a floating part used for floating on the water surface, the shrimp nest structure further comprises a plurality of nest platforms, and every two adjacent nest platforms are connected through a telescopic assembly. According to the shrimp nest structure, the floating part moves up and down along with the change of the water level, then the telescopicassemblies are driven to drive the multiple nest platforms to move up and down in the axis direction of the floating part, the distance between every two adjacent nest platforms is adjusted, and thenthe size of activity spaces for growth of shrimps cultivated on the shrimp nest structure is changed; and the problem that the freshwater shrimp yield per unit area is not high due to the fact that the freshwater shrimp growth activity spaces of existing freshwater shrimp culture equipment are small is solved, and the shrimp nest structure has wide market prospects.

The present invention belongs to the technical field of aquaculture and discloses a water circulation system for aquaculture. The water circulation system for the aquaculture comprises first aquaculture ponds, a sewage collection and sedimentation pond, a dehydration device, a first sterilization and disinfection device, second aquaculture ponds, plant planting fields, a water treatment device anda water supply pond; bottom parts of the first aquaculture ponds and the second aquaculture ponds are provided with sewage discharge assemblies, the first aquaculture ponds and the second aquacultureponds are connected with the sewage collection and sedimentation pond through the sewage discharge assemblies, a bottom part of the sewage collection and sedimentation pond is connected with the second aquaculture pond through the dehydration device, a bottom part of the sewage collection and sedimentation pond is connected with the plant planting fields through the first sterilization and disinfection device, an upper part of the sewage collection and sedimentation pond is connected with the water supply pond through the water treatment device, and the water supply pond is connected with thefirst aquaculture ponds and the second aquaculture ponds; and the first aquaculture ponds are fish or shrimp aquaculture ponds and the second aquaculture ponds are sea cucumber aquaculture ponds. Thewater circulation system realizes cyclic utilization of aquaculture water and simultaneously makes full use of resources.

The invention relates to the technical field of functional microbial screening, and in particular provides a Pseudomonas fluorescens HF-3 strain with the preservation number of CCTCC NO:M2014274. The strain has the aerobic denitrification property, and can efficiently degrade nitrite nitrogen in aquaculture sewage, 48h after the treatment, the removal rate of the nitrite nitrogen in the water reaches 94.61%, and the effect is remarkable; the Pseudomonas fluorescens HF-3 strain can be used for directly processing water in a shed shrimp aquaculture pool, and 48h after the treatment, about 94.35% of the nitrite nitrogen can be removed. The Pseudomonas fluorescens HF-3 strain can effectively degrade the nitrite nitrogen in the domestic wastewater, and the removal rate is higher than 90%, so that the Pseudomonas fluorescens HF-3 strain can be developed into aquaculture probiotics and sewage treatment agents, and has broad application prospects.