240 results about "Prawn" patented technology

The invention discloses a shrimp health state early warning method and system based on water quality monitoring, and aims to improve the disease prevention and control efficiency in a shrimp culture process. The method comprises the following steps: collecting historical breeding disease data and water quality change data of a target shrimp breeding water area, and constructing a water quality pathopoiesis knowledge graph; then water quality change data in a preset monitoring time period is obtained, space-time tracing is carried out by using the water quality change prediction model, and a water quality anomaly propagation path diagram is generated; formulating a water quality monitoring strategy based on the propagation path diagram, and optimizing the layout and frequency of monitoring points; and finally, monitoring the water quality in real time according to the established monitoring strategy, and realizing dynamic early warning of the health state of the prawns by combining real-time monitoring data and a water quality pathopoiesis knowledge graph. Water quality related diseases can be effectively prevented and controlled, and the stability and yield of shrimp culture are improved.

The utility model relates to the technical field of shrimp processing, in particular to a shrimp meat clamping device. The shrimp meat clamping device comprises a spiral drill bit, a rotating mechanism and a sliding mechanism; the rotating mechanism is connected with the sliding mechanism, and the sliding mechanism is configured to be capable of driving the rotating mechanism to move in the first linear direction to get close to or away from shrimp bodies; a rotating shaft of the rotating mechanism is arranged in the first linear direction. The spiral drill bit is arranged on a rotating shaft of the rotating mechanism, and the central axis of the spiral drill bit is located in the extending direction of the rotating shaft. In this way, the prawn body clamping operation can be efficiently and rapidly completed.

The invention relates to the technical field of prawn culture, in particular to a high-density culture optimization method for penaeus monodon based on multi-source culture environment analysis. A scale evaluation system of different preset cultivation environment condition combinations is built based on high-density penaeus monodon cultivation to evaluate the trend radiation diagram, whether the current cultivation density scale of the penaeus monodon is reasonable or not is analyzed through thermal polymerization after evaluation, and a multi-source cultivation environment analysis result is obtained; if one or more high-density abnormal breeding areas exist in a multi-source breeding environment analysis result, a simplex table model is constructed with the maximum bearing force as a constraint and the expected breeding density coefficient as a target function, and the optimal solution of the simplex table model is solved to determine the optimal breeding density scale of the high-density abnormal breeding areas. According to the method, the multi-source culture environment data can be fused to reasonably and scientifically analyze the high-density culture of the penaeus monodon and make an accurate and optimized culture strategy, so that the yield of the penaeus monodon per unit area is increased, and the low survival rate of the high-density culture is improved.

The invention discloses a new prawn culture optimization method and system based on water quality characteristic analysis. The method comprises the following steps: firstly, acquiring water environment data and new prawn growth condition data of each sub-region of a target new prawn culture water area, and performing difference analysis to obtain new prawn culture difference data of each sub-region; then, key factors influencing the growth of the new prawns are determined, and the optimal culture parameter range of the factors is analyzed to serve as culture reference parameters; secondly, acquiring actual water environment data of a water area to be cultured, comparing the actual water environment data with the reference parameters, and calculating deviation degree data; and according to the deviation degree data, evaluating the cultivation suitability, if the suitability is lower than a preset value, performing water environment regulation and control on the to-be-cultivated water area by optimizing the ecological conditions of the protists, and formulating a cultivation optimization scheme. According to the method, by accurately analyzing and adjusting the water quality and the growth conditions, the new prawn culture environment is optimized, and the culture efficiency and the prawn growth quality are improved.

The invention discloses a net cage device for enhancement and releasing marine temporary rearing of Chinese prawns, the structure of the net cage device comprises a net cage, a dismounting plate, a rope and a floating ball, the dismounting plate is arranged at the left end of the net cage, the outer surface of the net cage is connected with one end of the rope, and the floating ball is fixed at the other end of the rope. Placing frames are installed on the two sides of the interior of a clamping frame in a sliding mode, then the clamping frame extends into the net cage through a dismounting and mounting plate, prawns are located in the net cage, flowing of water can be ensured through a breathable net and a filter screen plate, meanwhile, sundries are effectively blocked, and the prawns in the placing frames are prevented from being affected by the sundries; through cooperation of the water inlet and the slow flow pipe, seawater forms a slow flow state when flowing into the net cage from the outer side of the water inlet, normal flowing of the seawater in the net cage is ensured, and meanwhile the situation that prawns in the containing frame are injured or dead and flushed out due to impact of seawater with too large flow and too high flow speed is avoided.

The invention relates to application of a fermented prawn shell feed composite material in sipunculus nudus culture, and belongs to the field of feed. Prawn shells are processed by utilizing local rich prawns in Zhanjiang, and a grain-saving animal protein source, namely, shrimp shell protein, is developed through an upgrading fermentation technology; and then forming the special feed for sipunculus nudus culture by matching with algae and the like. And a special and serialized high-efficiency precise fermented feed product system for aquaculture animals is constructed. Recycling of agricultural wastes in the same area is realized; the indoor high-density breeding of the Zhanjiang sandworm is realized.

The present application belongs to the field of aquaculture technology, and mainly relates to a traditional Chinese medicine composition for preventing and treating acute hepatopancreas necrosis disease of prawn, a preparation method and application. The traditional Chinese medicine composition comprises the following raw materials in parts by weight: 28-32 parts of Radix Sanguisorbae, 28-32 parts of Radix Scutellariae, 18-22 parts of Phellodendri Cortex and 8-12 parts of Lonicerae Japonicae Flos. The traditional Chinese medicine composition can significantly inhibit the activity of the main pathogen of the disease, i.e. Vibrio parahaemolyticus, improve the immune function and disease resistance of prawn, and further repair the hepatopancreas and intestinal tissues of the diseased prawn, thereby achieving the effect of effectively preventing and treating the acute hepatopancreas necrosis disease of prawn.

The invention relates to the technical field of aquatic product freezing processing, and discloses a prawn freezing process dynamic regulation and control method and system, and the method comprises the steps: extracting a damage feature vector through a lightweight instance segmentation network; generating a lightweight knowledge graph based on knowledge distillation; the damage features are converted into symbolic representation, and neural symbolic reasoning is carried out; calculating a quality degradation risk index and generating a differential control parameter; and collecting feedback data and updating the weight of the knowledge graph. According to the method, the technical problems of low response speed and poor interpretability in the freezing process of the damaged prawns are solved, and millisecond-level real-time decision and accurate control are realized.

The invention discloses a multiplex fluorescent quantitative PCR (polymerase chain reaction) detection kit for prawn culture pathogenic bacteria, which is characterized in that the kit contains primers and probes for detecting the prawn culture pathogenic bacteria, wherein the primers and the probes are respectively used for detecting TDH-related hemolsin genes of vibrio parahaemolyticus, ORF107 genes of white spot syndrome viruses, small subunit ribosomal genes of shrimp enterocytozoon hepatopenaei, 37 kDa coat protein genes of infectious subcutaneous and hematopoietic necrosis viruses, DNA (deoxyribonucleic acid) primer genes of full-eye iridovirus 1 and PirA [pi] genes of pathogens of bacterial prawns acute hepatopancreas necrosis; the method has the advantage that the detection of eight prawn culture pathogens can be realized at the same time. The method comprises the following steps of: obtaining a tcdB gene of a high-pathogenicity vibrio and a hemolsin gene of a vibrio harveyi;

The invention discloses a primer probe composition for detecting prawn disease related pathogens, a kit and application of the primer probe composition. The primer probe composition comprises a first primer probe group used for detecting vibrio parahaemolyticus, a second primer probe group used for detecting a tetrapod iridovirus 1, a third primer probe group used for detecting vibrio vitriocultatus and a fourth primer probe group used for detecting enterocytozoon hepatopenaei. The primer probe composition has the characteristics of high sensitivity, good repeatability and strong specificity, and can be used for specifically detecting vibrio parahaemolyticus, tetrapod iridovirus 1, vibrio vitrioculi and enterocytozoon hepatopenaei.

The invention discloses a prawn larva counting method based on improved YOLOv5. The prawn larva counting method comprises the following steps: S1, obtaining a three-dimensional depth field; s2, inputting image frames of the enhanced continuous video stream image into the improved YOLOv5 detection model, and outputting an initial candidate bounding box set; s3, performing spatial correlation on the initial candidate bounding box set and the three-dimensional depth field to generate a target three-dimensional bounding box set; s4, constructing a fitness function based on the target three-dimensional bounding box set, and outputting a current environment optimal hyper-parameter set; s5, outputting a prawn larva target detection result set subjected to three-dimensional space fusion optimization; and S6, performing intra-frame counting operation based on the prawn larva target detection result set, and calculating a prawn larva density value per unit volume to obtain a prawn larva real-time quantity statistical result. According to the invention, automatic monitoring and fine management of prawn culture links are effectively supported.

The invention relates to a new prawn breeding data analysis and recommendation method, a new prawn breeding data analysis and recommendation system and a medium, and belongs to the technical field of new prawn breeding. According to the method, survival rate data of a plurality of new prawn types in a current culture area are obtained, secondary selection is carried out on the survival rate data of the plurality of new prawn types in the current culture area, a final new prawn type is obtained, and finally, seedling culture arrangement is carried out on the current culture area based on the final new prawn type. And monitoring the breeding data of the new prawns in the current breeding area. According to the method, the optimal new prawn variety is recommended according to the survival rate data of each new prawn variety under each environment characteristic data, so that the recommended new prawn variety is more suitable for culture, the culture success rate is improved, and the economic benefits of farmers are further improved.

The invention provides acinetobacter for culturing prawns in saline-alkali water and application of the acinetobacter. The preservation number of the provided acinetobacter is CGMCC (China General Microbiological Culture Collection Center) No.36066. The acinetobacter soilis strain provided by the invention has remarkable comprehensive application advantages, can still keep higher growth activity and metabolic capability in a low-temperature environment, and continuously plays a water body purification function. Ammonia nitrogen and nitrite nitrogen in a water body can be efficiently degraded, the environment of the aquatic water body is remarkably improved by promoting the nitrogen circulation process, and harm caused by nitrogen pollution is reduced. In addition, the strain can effectively inhibit and prevent reproduction of pathogenic vibrios and reduce the occurrence risk of bacterial diseases of aquatic animals. The strain is high in safety, does not cause poison or stress reaction to bred animals even under the condition of high-concentration use, and has good ecological safety and environmental friendliness.

The invention belongs to the technical field of pathogenic microorganism screening, and particularly relates to vibrio parahaemolyticus capable of causing prawn vibrio vitreovibriosis and application of the vibrio parahaemolyticus, and the pathogenic bacteria can be used for preparing inactivated vaccines or used as the pathogenic bacteria to screen medicine components with the effect of preventing and treating the prawn vibrio vitreovibriosis or a culture method. The preservation number of the vibrio parahaemolyticus provided by the invention is CGMCC (China General Microbiological Culture Collection Center) The pathogenicity of the vibrio parahaemolyticus with high pathogenicity and strong lethality is about 1000 times stronger than that of the vibrio parahaemolyticus which is collected by the world animal hygiene organization and causes acute hepatopancreatic necrosis, and the strain is popular in main prawn culture areas and causes serious harm to the prawn fry culture industry in China. The vibrio parahaemolyticus provided by the invention can be used as a positive control for preparing a diagnosis product for the prawn vibrio vitreovirus disease; or preparing an immune vaccine after inactivation.

The utility model relates to an auxiliary monitoring device, and belongs to the field of shrimp culture. The auxiliary monitoring device comprises a floating base, a lifting mechanism and a shrimp fishnet, the lifting mechanism is arranged on the floating base, the fishnet is connected with the lifting mechanism, and the lifting mechanism drives the fishnet to reciprocate in the vertical direction; a controller and a camera module are arranged on the floating base, the lifting mechanism and the camera module are electrically connected with the controller, and a lens of the camera module faces the fishnet. According to the scheme provided by the utility model, long-term monitoring of prawn growth, feeding conditions and health states is realized in a mode of replacing manual work with machinery, and the prawn monitoring device has the characteristics of easiness in operation and convenience in use.

The invention discloses a prawn health status assessment method based on multi-source information fusion, and relates to the technical field of data processing. Comprising the following steps: obtaining prawn images in different growth stages and preprocessing the images, generating training images by using artificial marks, and extracting characteristics such as the contour length, the area and the shell contrast of prawns; based on the training image, establishing a target identification and feature extraction model, after training, identifying prawns in the to-be-monitored culture environment and extracting behavior feature parameters of the prawns; calculating a behavior evaluation influence coefficient and a growth evaluation influence coefficient, and obtaining a water source characteristic parameter to calculate a disease incidence influence coefficient; and finally, comprehensively generating a health state evaluation index, comparing the health state evaluation index with a health judgment threshold value, and outputting a health state judgment result, thereby realizing effective evaluation, real-time monitoring and early warning of the prawn health state to help a farmer to take measures in time and prevent diseases, and improving the survival rate and economic benefit of prawn culture.

The invention relates to a penaeus vannamei greenhouse circulating water mode pond opening which comprises a greenhouse building, a circulating water treatment system, an intelligent oxygenation system, a precise feeding system and an intelligent management and control platform. The circulating water treatment system purifies tail water through a microfilter and a biochemical pool and recycles the tail water; the intelligent oxygenation system adopts a nano aeration disc which is controlled in a subarea manner, and has a daily mode and a feeding mode; the precise feeding system realizes on-demand feeding based on machine vision and an AI algorithm; the intelligent management and control platform integrates all subsystems, and automatic closed-loop management under data driving is achieved. According to the invention, high-density, full-year, intelligent and unmanned prawn culture is realized, the yield and the survival rate are effectively improved, and the feed consumption, the labor cost and the influence on the environment are reduced.

1. The name of the design product: fishing net. 2. The use of the design product: for fishing fish and prawn. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view.

The application provides a breeding method for improving high-temperature tolerance of prawns, which comprises feeding a physical strength enhancer before high-temperature stress, wherein the physical strength enhancer comprises the following components: sea moss extract, tannic acid and astragaloside IV; the temperature is raised at a temperature raising rate of 0.5-2 DEG C per 10-14 hours, and one high-temperature stress is performed by continuously raising the temperature for 2-4 days; and the high-temperature stress is performed for 5-10 times in total during the breeding. The sea moss extract, tannic acid and astragaloside IV are used to prepare the physical strength enhancer before high-temperature stress, and the breeding method combining the high-temperature stress with a specific temperature raising rate is helpful to improve the resistance and tolerance of prawns to high-temperature environmental changes, and to improve the survival rate of prawns, and the average survival rate of prawns is more than 90%.

This invention relates to the application of a fermented shrimp shell feed compound in sandworm farming, belonging to the field of feed. This invention utilizes the abundant shrimp resources in Zhanjiang to process shrimp shells, and through quality improvement and fermentation technology, develops a feed-saving animal protein source—shrimp shell protein; then, it combines this with algae and other ingredients to create a special feed for sandworm farming. This establishes a specialized, serialized, efficient, and precise fermented feed product system for aquaculture animals. It achieves the recycling of agricultural waste within the same region and enables high-density indoor farming of Zhanjiang sandworms.

The invention discloses a preparation method of zoeae bait for blue crab artificial fry. The method comprises the following steps: weighing the following raw materials in percentage by weight: 31%-42% of muscula seeking, 29%-33% of hairtail, 15%-20% of metapenaeus vannamei and 5%-25% of nutritional materials; the nutritional material comprises fish meal, cuttlefish paste, soybean meal, high gluten flour, composite vitamins, a modified soybean phospholipid emulsifier, a dark plum extract and turmeric powder; the preparation method comprises the following steps: adding seawater with the same weight as the musculus seeking and the hairtail into the musculus seeking and the hairtail, crushing into a first clastic liquid through a crusher, then adding the miripenaeus vannamei into the first clastic liquid, and uniformly stirring to obtain a second clastic liquid; and adding compound protease and the like which are 0.33-0.45% of the weight of the second clastic liquid into the second clastic liquid.

The utility model discloses a kind of for shrimp culture's ration feeding device, the utility model relates to aquaculture technical field;Including: base, the top of the base is fixedly connected with support structure, the outer wall of the support structure is fixedly connected with storage hopper and discharge structure;The discharge structure includes drive motor, the output shaft of the drive motor is fixedly connected with connecting rod, the bottom of the connecting rod is fixedly connected with discharge block, the top of the discharge block is evenly provided with a plurality of discharge holes, the bottom of the discharge block is fixedly connected with feeding structure, the top of discharge block evenly provided with a plurality of discharge holes, with the connecting rod rotation of drive motor drive, can the feed in storage hopper ration delivery to feeding structure, compared with the mode that traditional artificial is estimated feeding amount by experience, effectively avoid the feed waste and water pollution caused by feeding too much, and the problem that feeding deficiency affects the growth of prawn.

The present invention discloses an active cyst net device, which comprises a frame, a cyst net, a guiding socket pipe and a sewage collecting pipe; one end of the frame is the water inlet end, and the other end is the sewage collecting end, and the sewage collecting pipe is fixed at the sewage collecting end; one end of the cyst net is fixed on the water inlet end of the frame, and the other end is fixedly connected with one end of the guiding socket pipe, and the other end of the guiding socket pipe is communicated with the sewage collecting pipe, and the cyst net gradually converges from the water inlet end of the frame to the sewage collecting end; one end of the sewage collecting pipe is communicated to a sewage collecting pool, and a pump is arranged on the sewage collecting pipe. The active cyst net has a simple structure and can quickly clean dirt such as prawns, ensuring the cleanliness of the water source.

The invention relates to the technical field of incubators, in particular to a prawn fry incubator. According to the technical scheme, the device comprises a first motor, a mounting frame, a cultivation box, a stroke plate, a mounting frame and a third motor, a mounting plate is arranged in the mounting frame, the cultivation box is arranged in the mounting frame, a supporting net is arranged in the cultivation box, a connecting plate is arranged at the rear end of the cultivation box, and guide rails are arranged on the inner walls of the mounting plate; a first motor is arranged at the upper end of the mounting frame, a first screw is arranged at the lower end of the first motor, a stroke plate is arranged in the mounting frame, a first nut is arranged at one end of the stroke plate, and a clamping plate is arranged at the upper end of the stroke plate. According to the invention, by arranging the longitudinally distributed culture boxes, the longitudinal space of the incubation chamber is fully utilized, the space utilization rate is improved, and the incubation economic benefits of prawn seeds are further improved.

The utility model provides a kind of clamping device, shelling equipment and shrimp production line, it is related to shrimp production technical field.First clamping piece is fixed in mounting seat, the first end of second clamping piece in first direction is connected with mounting seat, the second end of second clamping piece in first direction is free end, second clamping piece can be deformed, first clamping piece and second clamping piece are spaced apart, and first clamping piece and second clamping piece are enclosed to set up clamping space;Mounting seat is connected with driving mechanism, to make mounting seat be driven rotation by driving mechanism.In the use of clamping device, shelled shrimp is arranged in clamping space, under the action of inertia, second clamping piece deforms, and first clamping piece and second clamping piece are all attached with shelled shrimp, to clamp shelled shrimp in clamping space.Such, since second clamping piece can be deformed, this makes second clamping piece closely adhere to the curve of shelled shrimp by deformation, and the stability of shelled shrimp clamping is guaranteed.

The prawn posture self-adaption clamp comprises a downward pressing mechanism, the downward pressing mechanism is connected with a control mechanism, the bottom of the control mechanism is connected with a clamping mechanism through a rotating mechanism with a rotating shaft in the vertical direction, the clamping mechanism comprises a plane clamping piece and an arc-surface clamping piece, and the bottom end of the arc-surface clamping piece is provided with a chamfering structure bent towards the plane clamping piece. A chamfering inner side structure is arranged on the surface of one side, facing the prawn clamping position, of the chamfering structure; two sides of the control mechanism are respectively connected with a visual identification unit and a pressing mechanism; the device integrates a visual identification unit, an asymmetric clamping mechanism composed of a cambered surface clamping piece and a plane clamping piece, a rotating mechanism and a pressing mechanism, so that full-process automatic operation of prawn identification, orientation, posture adjustment and tail embedding is realized.

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 application discloses an automatic oxygenation device for South American prawn culture ponds, which comprises a floating mechanism, wherein the floating mechanism comprises a floating plate and a float, the float is arranged on the floating plate, and a surge oxygenation mechanism and a non-powered self-translation mechanism are arranged on the floating mechanism. The application relates to the technical field of oxygenation devices, and particularly provides the automatic oxygenation device for South American prawn culture ponds, which can generate more bubbles, has a better oxygenation effect, can generate a surge effect in the oxygenation process, can diffuse the bubbles to a larger range, has a larger oxygenation range, can move in the culture pond in the oxygenation process without any independent drive, has a wider action range, and can actively control the moving speed.

The utility model discloses a shell collecting device for industrial culture round ground shrimps, which belongs to the field of aquaculture, solves the problem that omission still exists when the existing shrimp shell collecting device is used for filtering shrimp shells, and comprises a collecting mechanism arranged in a culture pond, the top end of the collecting mechanism is communicated with a conveying pipe, and a collecting mechanism is arranged at the end part of the conveying pipe. The collecting mechanism comprises a collecting robot, a control panel and a shifting frame, the air pressure mechanism, the collecting mechanism and the collecting mechanism are arranged, a water source is pushed through high-pressure air, shrimp shells in the water source move towards the side close to the collecting robot, and when the shrimp shells move to the lower end of the collecting robot, the shrimp shells are collected through the shifting frame. Through operation of a detection camera in the collection robot, the collection accuracy is guaranteed according to comparison of photos, then prawn shells are independently stored through a conveying pipe and a collection bin, the working quality during equipment operation is guaranteed, and the working efficiency of the equipment is improved.

The application discloses a kind of salt and alkali land breeding with white shrimp of South America compound feed raw material crushing equipment, it is related to white shrimp of South America compound feed raw material crushing technical field, the side surface of the crushing tank is fixedly connected with control panel, the bottom of the crushing tank is fixedly connected with driving part, the side of the crushing tank away from control panel is fixedly connected with discharge part, the present application is provided with contact mechanism, the output end of driving part drives crushing rod to rotate continuously, so that when the material in the crushing tank is slowly discharged, the extrusion force of the material in the tank to sliding plate is less than the centrifugal force when crushing rod rotates, sliding plate and sliding rod are moved to the inside of the crushing tank by the action of centrifugal force, so that sliding plate drives rubber block to move to the inside of the crushing tank, while colliding with the inside of the crushing tank by rubber block, while the impact force generated by vibration, part of the impurities attached in the inside of the tank is shaken off.