76 results about "Shrimp farming" patented technology

The invention provides a prawn immunity-enhanced fermented functional feed and a preparation method thereof. Belongs to the field of animal feed. The feed comprises a basal feed and a feed additive, the feed additive comprises the following components: lactobacillus plantarum fermentation liquor, passion flower flavone and an immature bitter orange extract. Three functional components including the lactobacillus plantarum fermentation liquor, the passion flower flavone and the immature bitter orange extract are fused, a synergistic interaction system is constructed through a definite proportion, and the immunity of prawns is remarkably improved; the sources and the content of effective components of the immature bitter orange extract and the lactobacillus plantarum fermentation liquor are strictly limited, and the controllable product quality is ensured; the preparation process of the feed is simple, the key growth stage of shrimp culture is accurately positioned, and a comprehensive solution integrating probiotic regulation and control, plant active ingredient immune activation and process feasibility is provided for healthy culture of prawns.

The invention discloses a marker gene composition for identifying and diagnosing white feces syndrome of prawns and application of the marker gene composition. According to the marker gene composition, transcriptome high-throughput sequencing is carried out on intestinal tissues of collected prawns suffering from the white stool syndrome and healthy prawns, and after transcript expression level data is obtained, the marker gene composition capable of being used for identifying and diagnosing the prawn white stool syndrome is obtained by utilizing a random forest algorithm. According to the marker gene composition, transcript expression level data of each gene in the marker gene composition is utilized, a model and a system for identifying and diagnosing the prawn white feces syndrome are also constructed in combination with a random forest algorithm, prawns suffering from the white feces syndrome can be accurately predicted by utilizing the model and the system, and therefore identification and diagnosis of the prawn white feces syndrome are achieved. Based on the marker gene composition, the accuracy of constructing a model and identifying and diagnosing the prawn white feces syndrome by using the marker gene composition is high, the result is stable and reliable, the prevention and treatment of the prawn white feces syndrome are facilitated, and the healthy development of the prawn culture industry is guaranteed.

Provided are multi-function device for intensive shrimp farming, intensive shrimp ponds using this device and method for operating this pond. The multi-function device of the present invention comprises: water flow generator; feeder unit; gas dissolving unit; sensor and control operating the entire device. The intensive shrimp pond of the present invention comprises at least one multi-function device and has a reasonable operating method that uses algae and microorganisms to keep the DO concentration in the pond always high and the pH in the pond stable in optimal threshold.

The invention belongs to the technical field of lobster breeding, and particularly relates to a breeding box for indoor breeding of crayfishes, which comprises a containing part, a water injection mechanism, a water drainage mechanism, a filtering mechanism and a residue discharge mechanism, the containing part comprises middle section plates, end face plates and sealing gaskets, when the two middle section plates are assembled, sealing of the connecting position is achieved through the sealing gaskets, and when the end face plates and the middle section plates are assembled, sealing of the connecting position is achieved through the sealing gaskets; the water injection mechanism is used for injecting water into the middle-section plate; the drainage mechanism comprises a mounting box and a drainage grate, the drainage grate is arranged on the side wall of the middle section plate, and the mounting box is fixedly mounted on the outer wall of the middle section plate and communicates with an inner cavity of the middle section plate through the drainage grate; the filtering mechanism comprises a control roller and a filtering cylinder, and the filtering cylinder sleeves the outer wall of the control roller; the structure is matched to adapt to different indoor breeding spaces, and scraped dirt is conveyed, so that the filtering efficiency of the filter cartridge is kept, the breeding environment is kept, and the survival rate is increased.

The application discloses a water surface weeding device for South American prawn culture, which comprises a water weed synchronous collection and removal mechanism and a water weed removal boat, wherein the water weed synchronous collection and removal mechanism is arranged on the water weed removal boat, and the water weed synchronous collection and removal mechanism comprises a fixed shaft, a conical winding roller, a cutter and a water removal assembly; the water weed removal boat is provided with a protective baffle; the fixed shaft is arranged on the protective baffle; the conical winding roller is rotatably sleeved on the fixed shaft; the conical winding roller is provided with a rotating shaft; the rotating shaft is rotatably arranged on the protective baffle; the cutter is arranged on a smaller-diameter end of the conical winding roller; and the water removal assembly is arranged on the conical winding roller. The application relates to the technical field of water surface weeding devices, and particularly provides a water surface weeding device for South American prawn culture.

The invention relates to the technical field of aquatic animal breeding, in particular to a feeding device for shrimp breeding, which comprises a shell, a charging barrel is arranged at the top of the shell, a discharge port is formed in the bottom of the charging barrel, a scattering pipe is movably arranged on the shell, a connecting pipe is arranged between the discharge port and the scattering pipe, an air blower is arranged on the scattering pipe, and the connecting pipe is connected with the air blower. The steering mechanism is arranged between the shell and the material scattering pipe, and the angle adjusting mechanism is arranged between the shell and the material scattering pipe. Through integrated treatment of crushing, conveying and throwing, the whole flow of bait from storage to throwing is optimized, and the problems of caking and non-uniform throwing existing in a traditional throwing mode are effectively solved; the special motion control of the feed scattering pipe ensures the optimal distribution state of the bait in the water body, not only meets the ingestion requirements of prawn groups, but also avoids the deposition of residual bait to the maximum extent, effectively improves the utilization rate of the bait, and reduces the risk of water pollution.

This invention belongs to the field of shrimp farming technology and discloses an AIoT-driven ecological coupling method for whole-field flat-culture of fruit and shrimp. The method divides the fruit and flower crop planting area into multiple flat-culture units and establishes unit relationships. Under basic flat-culture management conditions, crop impact data, shallow water environment data, bottom load data, and shrimp activity data are collected to establish historical baseline states for each flat-culture unit. During the flat-culture process, current data is collected to form plant impact state, shallow water environment state, bottom load state, and shrimp response state, and a current ecological state chain is constructed. Based on the comparison results between the current ecological state chain and the historical baseline state, abnormal relationships are identified, and target flat-culture units, associated flat-culture units, and dominant abnormal links are determined. A local zonal control scheme is generated and executed. After control, a retested ecological state chain is formed, and recovery conditions are determined, dominant abnormal links are corrected, or the control level is increased accordingly.

The present invention is applicable to the field of aquaculture engineering, and provides a shrimp shell collection device for preventing live shrimp from escaping and automatically returning to the pond in a recirculating aquaculture shrimp pond, including a culture pond, and further including: a central water returner and a water distribution tank; a water return pipe is connected to the top of the central water returner, a buckling plate is arranged at the top of the central water returner, and a vertically downward rubber sheet is arranged at the side of the central water returner. The present invention constructs a water return tray with a rubber material, and the flexible material effectively reduces the frictional damage to organisms; the water distribution tank and its internal structure realize the automatic return of live shrimp to the pond and the automatic collection of shrimp shells, avoiding the problem of suffocation death caused by high-density aggregation of shrimp in the water distribution tank; through programmed automatic control, the goals of automatically collecting shrimp shells and dead shrimp and automatically returning live shrimp to the culture pond are achieved, greatly reducing the labor intensity of workers in the recirculating aquaculture shrimp workshop.

The present invention relates to the technical field of rice field lobster farming, and particularly to an enclosure device and a farming method for rice field shrimp. The technical problem to be solved is that when a single insertion rod is inserted into the soil, the insertion rod may be skewed, resulting in the enclosure net being unable to effectively prevent the escape of lobsters. Technical solution: An enclosure device and a farming method for rice field shrimp, including an enclosure net, support columns, etc.; the support columns are provided with a fixing part and a placement part. The present invention adds a support base, a fixing rod and a support piece at the bottom of the support column. During use, the fixing rod is inserted into the soil on both sides of the ring ditch, so that the support column is perpendicular to the soil, avoiding the middle of the enclosure net between the two support columns drooping due to the inclination of the support column, and being unable to play an anti-escape role for lobsters; the connection rope is connected to the bottom of the water storage airbag, and after pulling it open, the right end fixing rope is wound around the fixing pin, and the water storage airbag at the left end of the same enclosure net is injected with water to straighten the anti-escape plastic film.

The invention discloses a special bioactive soft granular feed for crayfish breeding and a preparation process thereof, comprising the following raw materials in parts by weight: 2 to 8 parts of fish meal, 15 to 25 parts of puffed soybean meal, 5 to 11 parts of rapeseed meal, 6 to 12 parts of wheat bran, 2.5 to 5.5 parts of compound lactic acid bacteria (Lactobacillus plantarum, Lactobacillus acidophilus, Enterococcus faecalis), 3 to 7 parts of shrimp meal, 1 to 3 parts of calcium dihydrogen phosphate, 10 to 30 parts of modified cassava starch, 0.5 to 1.5 parts of fish oil, 0.5 to 1.5 parts of premix, 0.5 to 1.5 parts of vegetable oil, and 15 to 33 parts of fresh maggot paste. The formula of the present invention is more reasonable, nutritionally comprehensive, and each component can be better matched to meet the nutritional needs of crayfish, and can better promote the growth of crayfish, especially in that modified cassava starch and fresh maggot paste are added to the formula, and granulation is carried out at low temperature or room temperature, which can retain the biological activity in the feed to the greatest extent, improve the proportion of animal protein, and be more conducive to crayfish absorption. At the same time, the feed solubility rate is lower, the stability in water is stronger, the feed utilization rate is effectively improved, and the cost of protein raw materials is reduced.

The invention belongs to the technical field of cherax quadricarinatus breeding, and particularly relates to a breeding method of a new strain of sexual late-maturing red-body-color cherax quadricarinatus. The invention provides a breeding method of a new strain of sexual late-maturing cherax quadricarinatus with red body color. The breeding method comprises the following steps: establishing a parent of the sexual late-maturing cherax quadricarinatus; carrying out parent inbreeding; performing primary inbreeding in the family; performing secondary inbreeding in the family; and inbreeding in the family for three times. According to the breeding method provided by the invention, the new strain of the late-maturing red cherax quadricarinatus with stable inheritance can be bred, the growth cycle of the cherax quadricarinatus is prolonged, meanwhile, the growth performance of the cherax quadricarinatus is good, the commercial value of the cherax quadricarinatus can be remarkably improved, and the new strain has remarkable economic benefits and can be widely applied to shrimp culture and aquatic product markets.

To provide an aquaculture lobster excellent in appearance, and to provide a rearing method thereof.SOLUTION: A feed containing carotenoid is fed, and raising is carried out by setting a water temperature at 23-32°C, to thereby raise an aquaculture lobster having an improved appearance in which the second antennae are not broken and are longer than a body length. An aquaculture lobster raised by the rearing method has an improved body color even after being frozen in ice.SELECTED DRAWING: None

The invention belongs to the technical field of shrimp breeding, and particularly relates to a crayfish breeding device and method.The crayfish breeding device comprises a breeding box and a crayfish discharging mechanism, the crayfish discharging mechanism comprises an isolation box, an overflow pipe and a corrugated pipe, a plurality of escape holes are formed in the circumference of the isolation box, and the isolation box is arranged in the breeding box and is coaxial with a crayfish discharging opening; a corrugated pipe is coaxially arranged in the isolation box, the bottom end of the corrugated pipe is in butt joint communication with the shrimp discharging opening, the upper end of the corrugated pipe is in butt joint communication with an overflow pipe, and a plurality of overflow holes are evenly distributed in the circumference of the overflow pipe in the height direction; the upper end of the overflow pipe extends out of the upper side of the isolation box and is connected with a lifting mechanism which is used for adjusting the height of the overflow pipe. Through lifting linkage of the air disc and the overflow pipe, an accurate collection mode of'high-position trickling and high-position bubbles' and a powerful box cleaning mode of'low-position forced discharging and low-position bubbles' are achieved, the separation efficiency of female shrimps and juvenile shrimps is improved in an auxiliary mode under the condition that the problem of dissolved oxygen is solved, and the survival rate of the juvenile shrimps is further increased.

The utility model relates to the technical field of rice field crayfish breeding, and discloses a fixing rod structure and a protective cover net thereof, the fixing rod structure comprises a fixing rod body, a connecting rod and a supporting rod are rotatably arranged in the fixing rod body, a fixing clamping hook is fixedly arranged in the fixing rod body, and a mud hook and a conical head are fixedly arranged at the bottom of the fixing rod body; the storage grooves are formed in the four sides of the interior of the fixing rod body, the fixing clamping hook is provided with the four hook heads, and the hook heads correspond to the storage grooves in position, so that the protective cover net body can be fixed from the four sides, the possibility of partition arrangement is increased, and the application range of the device can be widened; by arranging the conical head and the multiple mud hooks, the hooking area of the fixing rod body and the mud ground is increased through the mud hooks, the conical head penetrates into the mud ground and is matched with the connecting rod and the supporting rod for fixation, and the good fixing and supporting effect is achieved.

1. Name of this design product: Shrimp Image Acquisition Terminal (Bionic Octopus). 2. Purpose of this design: To be used as a shrimp image acquisition terminal in the field of shrimp farming. 3. The key design features of this product are its perspective view. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This application relates to a supermultiplex digital PCR detection method and its application for the simultaneous detection of multiple pathogens in shrimp. The digital PCR primers, probes, kits, and detection method for shrimp pathogen detection in this application can rapidly, accurately, and ultrasensitively detect pathogens affecting 18 types of shrimp. By detecting pathogens in shrimp, the health status of shrimp in intensive shrimp farming can be assessed in a timely manner, disease transmission can be prevented, and timely intervention measures can be taken to reduce the risk of disease transmission to shrimp populations in intensive farming, avoiding serious economic losses. This method has extremely high application value. Accurate identification of specific pathogens in shrimp samples is crucial for designing appropriate control strategies, as each pathogen may require different prevention and management methods, effectively reducing the need for drug use. Shrimp pathogen detection can improve farming efficiency and also contribute to the prevention and control of aquatic animal diseases and the inspection and quarantine monitoring programs for seedlings of major aquaculture species.

The fluorescent labeling device for shrimp culture comprises a bottom plate and an injection pump, a rotating disc is rotatably mounted on the bottom plate, a mounting seat is arranged on the rotating disc, a rotating shaft is rotatably mounted at the upper end of the mounting seat, and a transverse toothed bar and a first adjusting mechanism are transversely and slidably arranged in the rotating shaft in a penetrating manner; a vertical toothed bar and a second adjusting mechanism are further vertically and slidably arranged at the tail end of the transverse toothed bar in a penetrating mode, an injection pipe is further vertically and slidably arranged in the vertical toothed bar in a penetrating mode, external threads are arranged at the upper end of the injection pipe, a pressing handle is in threaded connection with the upper end of the injection pipe, and the pressing handle is further connected with the upper end face of the vertical toothed bar through a first spring. An upper pipe opening of the injection pipe is further connected with an injection pump through an infusion pipe, a lower pipe opening of the injection pipe is connected with an injection needle, a plurality of first sliding grooves are formed in the upper end of the rotating disc, and clamping mechanisms are slidably connected into the first sliding grooves and used for making shrimps lie on the side and fixing the shrimps according to preset pressure. According to the device, the prawn clamping force can be strictly controlled according to standards, the injection position, the injection depth and the injection amount are accurately controlled, and the operation threshold and the operation intensity are reduced.

The invention relates to the field of aquaculture. More particularly, the invention relates to the use of a feed comprising Hermetia illucens flour for improving the aquaculture yield of a decapod farm, in particular shrimp farms.

The invention relates to a decomposition flora performance evaluation method and system for penaeus monodon culture, and belongs to the technical field of penaeus monodon culture. Organic waste decomposed by decomposition flora is subjected to a simulation test, a plurality of groups of three-dimensional models of organic waste changes are obtained, the maximum degradation rate is calculated according to the three-dimensional models of the organic waste changes, and the degradation rate is calculated according to the maximum degradation rate. And constructing a performance evaluation model to evaluate and judge the optimal organic waste degradation rate to obtain a final decomposition flora performance evaluation result, obtaining the quantity of the currently put decomposition flora, and calculating by combining the final decomposition flora performance evaluation result to obtain the degradation rate of the organic waste. The actual degradation amount of the current decomposition flora on the organic waste is obtained, the difference between the actual degradation amount and the predicted amount generated by the organic waste is judged, and a penaeus monodon breeding optimization scheme is generated. According to the method, the performance of the decomposition flora for penaeus monodon culture can be efficiently and accurately evaluated, and the culture quality and efficiency are improved.

The utility model discloses a fence structure for crayfish breeding, and belongs to the technical field of crayfish breeding. A fence structure for crayfish breeding comprises symmetrically-distributed bases, a net body is arranged between the bases, and connecting bases are fixed to the side walls of the sides, away from each other, of the bases. Through cooperation of the base, the first grooves, the net body, the limiting strips, the connecting bases, the inserting rods and other structures, a crayfish breeding area can be surrounded and protected, crayfishes are prevented from climbing off, meanwhile, safety protection can be effectively conducted on the breeding area, sectional type connection and combination are conducted in a local mode, and the breeding efficiency is improved. Later maintenance and replacement are facilitated, and the practicability is improved.

The invention discloses an annular-ditch-free rice and shrimp planting and breeding method for one-season rice and two-season shrimps in the technical field of crayfish breeding, and relates to six links of rice field transformation, aquatic plant transplanting and management, two-season shrimp breeding, rice planting, water level and water quality management and feed feeding. In addition, crayfish cultivation is implemented in two cultivation periods, intercropping planting and breeding of crayfish in two seasons and rice in one season can be completed, early crayfish in the first season can appear on the market before May 1st, crayfish in the second season can appear on the market in a high-temperature season in summer, and the crayfish can appear on the market in a peak shifting mode. The price competition disadvantage caused by concentrated marketing of the crayfishes in a traditional rice and shrimp planting and breeding mode can be made up, balanced marketing is promoted, and the method has important practical significance for improving the economic effect of rice and shrimp planting and breeding.

The invention discloses a traditional Chinese medicine compound for resisting shrimp hepatoenteric cytozoon, a preparation method and application thereof. The traditional Chinese medicine compound is characterized by being composed of the following raw materials and their weight proportions: 10-20 parts of a sophora alopecuroides ethanol extract, 50-75 parts of a frasinic cortex ethanol extract and 10-30 parts of an rutaecarpa ethanol extract. The preparation method comprises the following steps: weighing dried and crushed sophora alopecuroides, frasinic cortex and rutaecarpa, respectively dissolving and extracting the extracts using anhydrous ethanol to obtain the extracts; weighing the traditional Chinese medicine extracts according to weight proportions, and mixing the extracts to obtain the traditional Chinese medicine compound for resisting shrimp hepatoenteric cytozoon. The invention also provides application of the traditional Chinese medicine compound for resisting shrimp hepatoenteric cytozoon, the sophora alopecuroides ethanol extract, the frasinic cortex ethanol extract and the rutaecarpa ethanol extract in preparing a shrimp hepatoenteric cytozoon inhibitor. The traditional Chinese medicine compound has the advantages of inhibiting the proliferation of shrimp hepatoenteric cytozoon in shrimp, increasing the weight gain rate of shrimp, and effectively reducing the economic losses caused by shrimp hepatoenteric cytozoon outbreaks to shrimp farming. The compound has low cost and a simple application method.

The utility model discloses a breeding device for crayfish breeding, relates to the technical field of breeding devices, and solves the problems that the position of a filter screen at the bottom of an existing device is fixed, so that crayfish at the bottom is inconvenient to catch, internal water cannot be purified, and heat is difficult to quickly transfer to the top, so that the practicability is reduced. According to the scheme, the device comprises a crayfish culture pond, a filter screen is fixedly connected to the inner bottom of the crayfish culture pond, and two partition plates are symmetrically and fixedly connected to the positions, located above the filter screen, of the two sides of the inner wall of the interior of the crayfish culture pond. When the moving mechanism operates, the circulating filtering mechanism can be driven to move, the circulating filtering mechanism can pump away impurities on the surface of a filter screen and in water, then the impurities are filtered through a filter, water can be filtered and purified, and the survival rate of the crayfishes is increased.

The present invention belongs to the field of microorganisms, and particularly relates to a Vibrio adhesivibacter LvS229 from shrimp intestinal mud, a probiotic preparation, a feed and their applications. The present invention isolated and identified a strain of Tenacibaculum lutimaris LvS229 strain from the intestine of Litopenaeus vannamei that survived after being stressed by the semi-lethal concentration of nitrite for 72 hours. The strain was deposited at the China Center for Type Culture Collection on December 20, 2024, with the deposit number CCTCC NO: M20242874, and it can improve the tolerance of shrimp to high concentrations of nitrite and reduce the mortality rate of shrimp. The present invention also provides a probiotic preparation and a shrimp farming feed containing Tenacibaculum lutimaris the LvS229 strain.

The utility model discloses a prawn culture pond efficient dirt collecting device which comprises a culture box, a guide assembly is arranged in the culture box, a first filter plate and a second filter plate are arranged in the culture box through the guide assembly, the bottom side of the first filter plate and the bottom side of the second filter plate are each fixedly connected with a set of springs, and the number of each set of springs is two. The bottom ends of the two sets of springs are fixedly connected with the inner wall of the bottom side of the breeding box, blocking assemblies are arranged on the sides, close to each other, of the first filter plate and the second filter plate, a rotating rod is driven by a motor, a rotating column is driven through a first synchronous wheel, a synchronous belt and a second synchronous wheel, cams fixed to the first filter plate and the second filter plate rotate synchronously, and the cams hit a buffer pad. The first filter plate and the second filter plate are stressed to move upwards, the springs are stretched, after pressure is lost, the springs reset, high-frequency vibration is generated, the vibration can effectively shake off shrimp shells blocking the filter holes, compared with pure water flow flushing, the problem that the shrimp shells are embedded into the deep positions of the filter holes and are difficult to discharge is solved, and blockage aggravation is avoided.

A system includes a housing; a water tank positioned within the housing, wherein an inside of the water tank is sealed to prevent contact between material forming the water tank and water within the water tank; a water movement subsystem causing water to circulate within the water tank, including a baffle extending along the center of the water tank dividing the water tank into a circular raceway, and a pump causing water to circulate; an aeration subsystem maintaining an oxygenation level suitable for crustaceans to live within the water tank; a temperature control subsystem maintaining a water temperature suitable for crustaceans to live within the water tank; a water quality monitoring subsystem monitoring a water quality parameter of water within the water tank; a feeding subsystem configured to dispense food into the water tank; a biofloc removal subsystem configured to remove biofloc from the water tank; and a control system.

The utility model discloses an oxygenation device for shrimp culture, and relates to the technical field of shrimp culture, the oxygenation device comprises a box body (1), the lower end of the box body is provided with a bottom plate, the bottom plate is connected with the box body through welding, the surface of the box body is provided with a water storage tank, the water storage tank is fixedly connected with the box body, a moving assembly is arranged in the water storage tank, and the moving assembly is connected with the box body. The moving assembly comprises a moving frame, an oxygen generator is installed at the upper end of the moving frame, the oxygen generator is fixedly connected with the moving frame, a fan is installed on one side of the oxygen generator, the fan is connected with one end of the oxygen generator, a second motor is installed on one side of the fan, and the second motor is fixedly connected with the moving frame. According to the scheme, the problems that an existing device is single in structure and function, only oxygen can be supplied to an area with the specified water depth, the oxygen supply height cannot be automatically adjusted, the oxygenation effect is poor, the dissolved oxygen content in water cannot be effectively increased, and existing market requirements cannot be met are solved.

An aquaculture system, such as a fish or shrimp farming system, is provided and based on recirculation aquaculture, the system comprising: at least two farming tanks 105e; at least one tank-specific water treatment unit (106d, 107h) that is connected to one of the tanks and configured to treat water of said tank; at least one shared water treatment unit (108, 109) that is connected to all of the tanks and configured to treat water that is recirculating in the system; and a means 101a for recirculating water in the system.

The utility model relates to the technical field of prawn breeding, and discloses a bait trough and a prawn breeding box thereof. The stirring structure comprises a first stirring rod and a paddle plate; the cleaning assembly is arranged on one side of the first stirring rod and used for cleaning the inner wall of the trough body, the cleaning assembly comprises a connecting base and a cleaning rod, the connecting base is elastically connected with the first stirring rod, the cleaning rod is rotationally connected with the connecting base, and the cleaning rod can abut against the inner wall of the stirring shaft and scrub the inner wall of the stirring shaft in a rolling mode. A sliding rod is pushed by a spring to slide in a guide groove, the sliding rod drives a connecting base to approach the inner wall of the trough body, then a cylindrical cleaning rod can roll on the inner wall of the trough body along with rotation of a first stirring rod, the cleaning rod abuts against the inner wall of a stirring shaft to clean residues on the inner wall of the stirring shaft, and the probability that new and old feed is mixed is reduced; meanwhile, pollution caused by feed residue fermentation is avoided, and cleanliness of the inner wall of the trough body after discharging is guaranteed.