146 results about "Shrimp aquaculture" patented technology

The invention relates to a rice field ecological planting and breeding method. By means of the rice field ecological planting and breeding method, Procambarus clarkii are bred and rice is planted in a rice field circularly. The rice field ecological planting and breeding method includes the steps of preparation of the rice field, putting of shrimp seeds, feeding of shrimps, rice cultivation, management of the rice field, fishing for shrimps and reservation of parent shrimp seeds. Circular grooves of the rice filed are disinfected and grass is planted in the circular grooves immediately after the circular grooves of the rice field are finished, the reservation of parent shrimp seeds is mainly carried out in the later period of finishing, and parent shrimps are guaranteed to be reserved in the field for breeding parent shrimps of the next year. The rice field ecological planting and breeding method has the advantages that the Procambarus clarkii are reserved after rice is harvested, and the rice field does not need to be turned over, ploughed or harrowed, planting and breeding are jointly carried out continuously and the utilization rate of farmlands is high; fertility of the farmlands is uniform; worm eggs are eaten by the shrimps so that diseases and insect pests of the rice can be prevented; the survival and breeding environment of the shrimps is stable, and the yield is high; the structure of the rice field is favorable for breeding and growth of the shrimps; chemical inorganic fertilizer and chemical pesticides are not used, so that the natural ecological environment is effectively protected.

The invention provides a reinforced cultivating method of freshwater shrimp seedshrimp, which is a reinforced scientific and reasonable cultivating method of freshwater shrimp seedshrimp with low investment and high efficiency in scales through the technologies of selecting seedshrimp in cultivating ponds, building a pond environment, optimizing and regulating water environment, feeding and managing scientifically and the like according to freshwater shrimp aquaculture biology and reproductive biology. The seedshrimp cultivated by the method in the invention can produce shrimp seedlings by over 20% compared with the seedshrimp cultivated by conventional methods under the same seedling conditions. The method in the invention can be used for the large-scale shrimp seedling production of high-quality fresh water shrimp, guarantee smooth promotion of high-quality fresh water shrimp, improve economic efficiency of fresh water cultivation, and improve healthy and sustainable development of fresh water shrimp cultivating industry in China.

A shrimp aquaculture system includes the steps of: (1) preparing a water container; (2) exposing the water container under the sunlight, and then filling with predetermined amount of water; (3) adding 50 liter of liquid-fermentation feed into the water container at least 1 to 2 times per day; (4) adding 50 kilogram of beneficial agents into the water container once per day to obtain nursing water; (5) adding larva and young shrimp into the nursing water, and further adding a solid-fermentation feed into the nursing water, at least once a day, lasting for 0.5 to 3 months beginning on the date of adding young and larva shrimp; (6) three months later, adding regular shrimp feed containing beneficial agents into the water container; and (7) adding the amount of 1 to 3 ppm of photosynthetic bacteria into the nursing water of the water container once a day.

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 provides a shrimp aquaculture method. The shrimp aquaculture method includes (1), constructing aquaculture ponds; (2), constructing crawfish holes; (3), pretreating the aquaculture ponds; (4), fertilizing water; (5), releasing aquatic plants, to be more specific, bundling the aquatic plants by ropes to obtain stacks and releasing the stacks at the bottoms of the aquaculture ponds at intervals of 6 meters; (6), releasing baby crawfish; (7), releasing crawfish fodder on the aquatic plants of first platform structures twice on a daily basis; (8), carrying out later-period management. Each aquaculture pond is a trapezoid, and the corresponding first platform structure and a second platform structure are respectively arranged at trisect positions of the side walls of each aquaculture pond. The shrimp aquaculture method has the advantages that water in the aquaculture ponds is reduced and reaches first platforms or second platforms periodically in crawfish aquaculture procedures, the aquaculture ponds are disinfected and treated, and accordingly the crawfish survival rate can be increased.

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 relates to a pond three-dimensional breeding method. The method comprises the steps that a pond is built, aquatic plants are planted, freshwater shrimps are bred, snakehead is bred, green ducks are bred in pens, and ducks are bred in the pond. By means of the method, the snakehead output quality and the duck egg output quality are good, fed fodder is little, ecological benefits are good, and the economic value is high.

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 utility model discloses a production method for shrimp feed, which comprises the following steps: 1) the raw materials is mixed in proportion and crushed into 0.05 to 0.3 mm; 2) steam of 0.1 to 0.4 Mp is added into the crushed materials, so that the water content of the materials can reach 12 percent to 18 percent; 3) the hygrothermal materials is put into a forming machine so as to be made into particles with a diameter of 1.2 to 1.8mm; 4) the particles are arranged into a sterilizer for being sterilized for 20 to 50 min under the temperature of 90 DEG C to 100 DEG C; 5) after being sterilized, the particles are cooled into 28 DEG C to 40 DEG C by cold wind, and the water content is 8 percent to 12 percent; 6) the crushed particles or powder of the cooling particle feed are removed by a grading screen; 7) the particle feed is packaged and stored. By utilizing the invention, the water resistance and digestibility can be improved effectively, the harmful fungi and anti-nutritional factors can be removed, thereby the feed utilization rate can be increased, and the water pollution can be avoided; furthermore, the breeding shrimp will have good physique, so the shrimp aquaculture will truly become an industry of sustainable development.

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 discloses an automatic feeding device for lobster breeding. The automatic feeding device for lobster breeding comprises a support frame, wherein horizontal guide rails are arranged at the top of the support frame, a support seat is arranged on the guide rail, a driving mechanism which is used for driving the support seat to move in a reciprocating manner along the guide rails is connected to the support seat, a hopper is arranged on the support seat, a feed opening is formed in the bottom of the hopper, a feed mechanism is arranged at the feed opening, inclined conveying tubes are arranged under the feed mechanism, an opening is formed in the lower end of each conveying tube, and a plurality of discharge holes are formed in the tube wall of each conveying tube. Through the adoption of the device, lobster feeds can be automatically and uniformly sprinkled into a breeding farm, and manual operations of workers can be replaced, so that the efficiency is higher, and the costof the workers is reduced.

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 invention discloses a convenient-to-use fishing device for breeding procambarus clarkii. The convenient-to-use fishing device comprises a fixing plate, a supporting rod is fixedly connected to a left side of a top surface of the fixing plate, a top end of the supporting rod is rotatably connected with a tail end of an electric telescopic rod through a pin shaft, and a guide mechanism is arranged on the electric telescopic rod; a servo motor is fixedly connected to a right side of the top surface of the fixing plate, a rotating rod is driven to rotate through a hand-cranking rotating handle, a second bevel gear is driven to rotate, a lead screw is driven to rotate through a meshing effect of a first bevel gear and the second bevel gear, a sliding block is driven to move upwards through a rotation of the lead screw, thus the electric telescopic rod is driven by a connecting rod to be perpendicular to the supporting rod; and the electric telescopic rod is started to extend through a controller, the servo motor is started, a winding roller is driven to rotate through the servo motor, a steel wire rope is released, a fishing net enters water under an action of gravity to conduct fishing and an operation is convenient.

The invention discloses a water quality control system for ecological breeding of shrimps in a paddy field. The water quality control system comprises an ecological breeding field and a control center. The water quality control system is characterized in that the ecological breeding field is composed of three parts, namely a shrimp ditch, a rice planting area and a shrimp temporary culture area, wherein a connection bridge is bridged in the middle of the shrimp temporary culture area; a water quality monitoring device is arranged in the shrimp ditch; a second water quality monitoring device isarranged in the shrimp temporary culture area; a second water gate and a first water gate are arranged at the upper connected part and the lower connected part of the shrimp temporary culture area and the shrimp ditch separately; and a sundries filter net is arranged at the left side of the first water gate. The water quality control system for ecological breeding of the shrimps in the paddy field is simple in structure, high in intelligent degree and convenient to use, can monitor the water quality situation in the ecological breeding field all the time, and can timely take measures to improve the water quality, so that the system can ensure that the water quality is always kept in a good state in the process of breeding the shrimps in the field, so that growth of the shrimps is facilitated, the output is improved and the income is increased.

The invention relates to a ridge utilization method of a rice-shrimp co-culture system. The ridge utilization method includes: planting bait plants on ridges in winter, harvesting green bait plants inspring, and putting the same into shrimp ditches to serve as plant bait for crayfish breeding; planting pest control plants on the ridges in rice growing seasons to prevent and control rice field pest; after rice transplanting, draining water and drying the bottoms of the shrimp ditches from first-round layered water lowering to promote crayfishes to hole on the ridges in a layered manner; aftergrain filling of rice starts, draining water and drying the bottoms of the shrimp ditches from second-round layered water lowering to promote the crayfishes to hole on the ridges in a layered manner.By planting the plants on the ridges, green feed can be provided for the crayfishes, biodiversity of the rice-shrimp co-culture system can be improved, pest and disease of the rice can be controlled,and shrimp and rice quality can be improved. By adjusting water level of the shrimp ditches in a layered and fractional manner, layered and fractional holing reproduction of the crayfishes can be promoted, the ridges can be utilized reasonably, the problem that crayfish seeds intensively come out in the next year is avoided, batched and fractional selling of the crayfishes in the next year is facilitated, and crayfish breeding benefit is improved.

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.