107 results about "Sturgeon" patented technology

The invention provides an intelligent sturgeon health monitoring method and system based on multi-source data fusion, and the method comprises the steps: firstly, synchronously collecting underwater image data and infrared thermal image data of a sturgeon culture pond in real time, and carrying out the preprocessing of the data; the method comprises the steps that sturgeon behavior features and fish body temperature features are extracted, then fish body positioning is carried out, behavior feature extraction and temperature feature extraction are carried out respectively, feature fusion is carried out on the sturgeon behavior features and the fish body temperature features, finally, the sturgeon fusion features are input into a pre-trained anomaly detection model, and an anomaly detection result is obtained; according to the system, comprehensive, real-time and intelligent monitoring of the sturgeon culture process is achieved by integrating various sensing technologies and an advanced data analysis algorithm, abnormal conditions can be found and processed in time, and scientific basis and optimization suggestions can be provided for culture management through long-term data accumulation and analysis; meanwhile, the sturgeon breeding efficiency and the product quality are also remarkably improved, and the disease risk and the economic loss are reduced.

The present application provides a primer combination and a kit for identifying the genetic sex of sturgeon, and a use thereof. Using two pairs of primers can not only identify the genetic sex of sturgeon in a simple and rapid manner, but also effectively avoid the experimental errors, thereby improving the accuracy of sturgeon sex identification. At the same time, the present application is not limited by the age of sturgeon and would not cause significant damage to the sturgeon. It also has good universality and may provide assistance for sex-controlled breeding of sturgeon and protection and utilization of germplasm resources.

The invention discloses a sturgeon residual feed dynamic counting method based on multi-target tracking. The sturgeon residual feed dynamic counting method comprises the following steps that S1, video data of residual feed in water flow is collected at a water changing opening of a sturgeon culture pond through an overwater camera; s2, optimizing the quality of the acquired image through an image enhancement technology; s3, a YOLO model is adopted as a detector, accurate detection of residual bait is achieved, and stable tracking is conducted on the residual bait through an improved SORT algorithm; and S4, carrying out accurate statistics on the tracking result based on the dynamic counting line. The method is suitable for residual feed counting in sturgeon industrial culture, accurate data support can be provided for bait feeding management, the bait utilization efficiency is optimized, the culture cost is reduced, and efficient technical guarantee is provided for intelligent aquaculture.

The utility model relates to a sturgeon positioning communication device, which comprises a transmitting end, a receiving end and a remote computer, and is characterized in that a power supply, a power supply conditioning module, a transmitting end central processing unit, a transmitting end signal processing module and a transmitting end ultrasonic probe module are arranged in the transmitting end; a power supply, a power supply conditioning module, a receiving end ultrasonic probe module, a receiving end signal processing module, a receiving end central processing unit and a Lora sending module are arranged in the receiving end, and a Lora receiving module and a PC host are arranged in the remote computer. According to the communication device for sturgeon positioning, data are received in real time through the multiple receiving ends and forwarded to the remote server through the Lora sending module, and the functions of communication, positioning, fish school quantity analysis and the like of sturgeons in the water area position are achieved.

The invention discloses a method for separating and transplanting spermatogonial stem cells of Chinese sturgeons, and belongs to the technical field of separation of germline stem cells of fishes. The separation method comprises the following steps: washing Chinese sturgeon testis tissues with an L-15 culture medium containing penicillin / streptomycin double antibodies, and carrying out physical shearing, digestive enzyme enzymolysis and screen filtration to obtain a Chinese sturgeon testis cell suspension; performing percoll density gradient centrifugation to obtain high-purity spermatogonial stem cells of the Chinese sturgeons; and dyeing, washing, resuspending and carrying out micro-injection transplantation to enter the gonad primordium reproductive ridge part of the juvenile acceptor fish. According to the physical characteristics of the spermatogonial stem cells of the Chinese sturgeons, the spermatogonial stem cells with high purity are obtained by adopting percoll density gradient centrifugation, and the purpose of abdomen borrowing reproduction is achieved by adopting a microinjection mode, so that the preservation of germ cells of endangered fishes and the reconstruction of artificial populations are realized; and a new technical approach is provided for protecting genetic resources of the Chinese sturgeons and breaking through artificial propagation bottlenecks.

The invention discloses a breeding and maturing method of Sichuan parabramis pekinensis parent fish, which comprises the following steps: putting male and female parabramis pekinensis into a breeding pond with the putting density of 150 parabramis pekinensis / m < 2 >; the tubificidae and the sturgeon special feed are uniformly mixed for domestication, the weight ratio of the tubificidae to the sturgeon special feed is 8: 2, and an artificial nutrition feed additive is supplemented; 7-10 days before spawning induction, feeding is stopped; feeding management: the dissolved oxygen in the culture water is greater than 6mg / L, the average water temperature is 23 DEG C, and the pH value is 6.5-7.5; disinfecting the parent fish culture pond every other January; water flow stimulation: adjusting the water flow speed to 0.04 m / s; in the close breeding period, a rainfall temperature increasing and water flow stimulation combined mode is adopted, and water surface and underwater combined mode is adopted for water flow stimulation. According to the method, through artificial regulation and control, the female and male Sichuan parabramis pekinensis parent fishes are mature, the brood amount is large, the reproductive capacity is high, the sperm and egg quality is high, and synchronous maturation of the female and male parent fishes is achieved.

The utility model particularly relates to the technical field of sturgeon processing, and discloses a low-temperature temporary rearing pond for sturgeon processing, which comprises a water storage pond body, a limiting rod I is inserted into the inner side wall of the water storage pond body, and a leakage net is wound on the outer surface of the limiting rod I; a second limiting rod is rotationally connected to the side wall, away from the first limiting rod, of the water storage tank body and used for winding of the other end of the leakage net, and a second bevel gear is fixedly arranged at the end, penetrating through the side wall of the water storage tank body, of the second limiting rod. According to the device, the first limiting rod, the leakage net, the supporting plate, the vertical rod, the hand wheel, the second limiting rod, the first bevel gear and the second bevel gear are arranged, the leakage net is made of nylon materials, is in a grid shape and has high toughness, the first bevel gear can be driven by rotating the hand wheel to drive the second bevel gear to rotate, and therefore the leakage net is wound to the outer surface of the second limiting rod; and therefore, the sturgeons are copied from the inner bottom of the water storage tank body to the top end of the leakage net, and the convenience of grabbing the sturgeons for processing is achieved.

The invention provides a primer and a kit for detecting DNA of wild Chinese sturgeons and application of the primer and the kit, the primer for detecting the DNA of the wild Chinese sturgeons comprises T4-F3, T4-B3, T4-FIB and T4-BIP, the nucleotide sequence of the T4-F3 is as shown in SEQ ID No.1, the nucleotide sequence of the T4-B3 is as shown in SEQ ID No.2, the nucleotide sequence of the T4-FIB is as shown in SEQ ID No.3, and the nucleotide sequence of the T4-BIP is as shown in SEQ ID No.4. On the basis of a traditional LAMP technology, a set of Chinese sturgeon species specificity detection primers is designed, and a method for rapidly detecting Chinese sturgeon traces through LAMP amplification by directly and simply treating an environmental sample without nucleic acid extraction is further developed.

The invention relates to the technical field of aquaculture intelligence, and particularly discloses a sturgeon starvation state detection method based on generative adversarial and a YOLO model, and the method comprises the following steps: S1, collecting video image data of residual feed and feeding conditions in water flow in a sturgeon culture pond through an underwater camera; s2, optimizing and expanding the acquired video image data through the improved generative adversarial network to obtain an expanded data set; s3, carrying out pre-training on the improved YOLO-v8 model, and carrying out detection on the optimized and expanded image data in the expanded data set by utilizing the YOLO-v8 model obtained by pre-training; s4, evaluating the feeding state and the hunger state of the sturgeons. The method is suitable for residual feed statistics and fish hunger state analysis in sturgeon industrial culture, accurate data support is provided for feed feeding management, the feed utilization efficiency is optimized, the culture cost is reduced, and efficient technical guarantee is provided for intelligent aquaculture.

The utility model discloses a sturgeon feed feeding device which comprises a connecting plate, the upper surface of the connecting plate is fixedly connected with a sliding rail, the inner wall of the sliding rail is in sliding connection with a set of supporting sliding plates, the upper surfaces of the set of supporting sliding plates are jointly and fixedly connected with a direction adjusting plate, the upper surface of the direction adjusting plate is fixedly connected with a U-shaped frame, and the U-shaped frame is fixedly connected with the upper surface of the U-shaped frame. A rolling bearing is fixedly embedded in the inner bottom wall of the U-shaped frame, a first driving motor is fixedly connected to the upper surface of the direction adjusting plate, a connecting rod is fixedly connected to the inner ring of the rolling bearing, the bottom end of the connecting rod is fixedly connected with the output end of the first driving motor, and a set of feeding plates are fixedly connected to the outer surface of the connecting rod. By arranging the supporting sliding plate and the sliding rail, a worker can conveniently drive the direction adjusting plate to rotate and conveniently adjust the feeding direction through cooperation of the supporting sliding plate and the sliding rail, and therefore uniform feeding of fish feed is achieved, and current use is facilitated.

The utility model is suitable for the technical field of sturgeon belly cutting, and provides a sturgeon belly cutting device which comprises a belly cutting table, the inner side wall of the belly cutting table is fixedly connected with a supporting block, the bottom of the belly cutting table is provided with a through groove, the top of the supporting block is movably connected with a grid plate, the bottom of the belly cutting table is movably connected with a telescopic pipe, and the telescopic pipe is fixedly connected with the supporting block. By means of a grid plate arranged in the belly cutting table, residual fish corners and minced meat can be collected and filtered when sturgeons are cut, the fish corners and the minced meat are prevented from falling into the telescopic pipe, meanwhile, waste water can enter the collecting box through the telescopic pipe for unified treatment during flushing, and the waste water can be recycled. And a filter screen is mounted in the collecting box, so that broken slag in the convected wastewater can be filtered again, and during secondary utilization, adsorption treatment can be performed through two activated carbon plates arranged in a round pipe, so that the wastewater can be deodorized, the use is convenient, and the cost and resource waste are effectively reduced.

The invention provides a sturgeon fry swimming posture monitoring method and device, and relates to the technical field of agricultural cultivation, and the method comprises the steps: obtaining a moving image sequence of sturgeon fries in a fixed water body area; for each moving image, white contour features used for representing the surfaces of the abdomen parts of the sturgeon fries are recognized; determining the center of the maximum inscribed circle of the white contour feature, and determining the center offset rate of the center of the circle relative to the calibration point and the radius change rate of the maximum inscribed circle in the movable image sequence; determining the white contour features with the circle center offset rate smaller than an offset threshold value and the radius change rate smaller than a change threshold value as a concerned target; and when the longest duration of the attention target in the moving image sequence is greater than an alarm threshold value, determining that the swimming posture of the sturgeon fry corresponding to the attention target is abnormal. The method is used for solving the problems that manpower is consumed and the abnormal swimming postures of the sturgeon fries cannot be effectively judged when the swimming postures of the sturgeon fries are manually judged.

The invention discloses a sturgeon culture water quality timing sampling device and a use method thereof. The sturgeon culture water quality timing sampling device comprises a machine body (1), and the machine body (1) is provided with a storage mechanism and a water pumping mechanism for conveying a water sample to the storage mechanism; the storage mechanism comprises a storage disc (2), a plurality of groups of storage bottles (3) which are uniformly distributed are arranged on the storage disc (2), a rotating shaft (4) is arranged below the storage disc (2), a driven gear (5) is fixedly connected outside the rotating shaft (4), a driving gear (6) and a driven disc (7) which is coaxially arranged with the driving gear (6) are arranged on one side of the driven gear (5), a matching groove (8) is formed in the edge of the driven disc (7), and a driving disc (9) for driving the driven disc (7) to rotate is arranged on one side of the driven disc (7); and a driving rod (10) corresponding to the matching groove (8) is arranged on the driving disc (9). The water taking device can take water regularly and is good in reliability.

The utility model relates to the technical field of sturgeon culture net cages, and discloses a liftable sturgeon culture net cage which comprises an upper frame body, a lower frame body is arranged below the upper frame body, nettings are arranged between the upper frame body and the lower frame body and in the lower frame body, a lifting mechanism is arranged at the top of the upper frame body, and a lifting mechanism is arranged at the bottom of the lifting mechanism. The lifting mechanism comprises two L-shaped rods fixedly installed on the back face of the upper frame body, a top plate is fixedly installed at the tops of the two L-shaped rods, and a double-end servo motor is fixedly installed at the top of the top plate. By arranging the double-end servo motor, the rotating shaft, the winding disc and the steel wire rope, the two mounting plates can be driven to move upwards, and the two mounting plates can drive the lower frame body to move upwards, so that sturgeons in the net cage float upwards under the driving of the lower frame body, and the sturgeons in the net cage are further conveniently fished; and after fishing is completed, the interior of the net cage can be conveniently cleaned.

The present invention relates to an electric heating device 2 with at least one heating chamber 6.1, 6.2. Each heating chamber 6.1, 6.2 has at least one flow path 100 with a bottom 106 oriented towards a heating element 22. The bottom 106 of the flow path 100 has baffles 108 and recesses 110, which cause turbulence in the flow of a medium to be heated as it flows through the flow path 100. This breaks up laminar boundary flows and improves heat transfer. The baffles 108 extend transversely to the flow direction 102 and preferably have a triangular cross-section. The recesses 110 preferably have a circular geometry.

The invention relates to the technical field of fish monitoring, and discloses an intelligent all-time sturgeon and guinea pig monitoring method and system, and the method comprises the steps: carrying out the video stream preprocessing of the video stream data of sturgeons and guinea pigs, and obtaining the fluid video images of sturgeons and guinea pigs; inputting the fluid video pictures of the sturgeons and the guinea pigs into target detection models of the sturgeons and the guinea pigs to obtain target detection results of the sturgeons and the guinea pigs; tracking sturgeon and guinea pig targets based on the sturgeon and guinea pig target detection results to obtain sturgeon and guinea pig target tracking results; performing quantity statistics on the sturgeon and guinea pig targets based on the target detection results of the sturgeons and guinea pigs to obtain target statistical results of the sturgeons and guinea pigs; and determining sturgeon and guinea pig monitoring results based on the sturgeon and guinea pig target detection results, the sturgeon and guinea pig target tracking results and the sturgeon and guinea pig target statistical results. The sturgeon and guinea pig monitoring system improves the sturgeon and guinea pig monitoring efficiency, real-time performance and range, and reduces the monitoring cost.

1. The name of the design product: clamp handle sleeve (sturgeon). 2. The use of the design product: used in the clamp handle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This utility model discloses an auxiliary device for distinguishing the sex of sturgeon, including a workbench. A water trough plate is fixedly connected to the bottom surface of the workbench, and a circulation component is provided on the bottom surface of the water trough plate. A support plate is fixedly connected to the top surface of the workbench, and a hydraulic rod is fixedly connected to the top surface of the support plate. Through the circulation component, this utility model allows water to be sprayed onto the sturgeon by a nozzle during use. The water flows from the water outlet into the interior of the water trough plate, through the outlet pipe into the interior of the filter box, where it is filtered by a filter screen. The filtered water then enters the interior of a storage tank. A water pump transports the water from the storage tank through the inlet pipe to the interior of the placement rack, where the nozzle sprays water onto the sturgeon again, thus forming a complete water circulation system. This achieves water resource reuse, saving water costs and providing a stable and clean water environment for sturgeon identification.

1. Name of the product of this design: Pastry (Chinese sturgeon). 2. Purpose of the product of this design: for food. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a sturgeon rollover detection method and system based on deep learning and ellipse fitting. The method comprises the following steps: acquiring a sturgeon image and preprocessing the sturgeon image; performing semantic segmentation on the preprocessed sturgeon image by using a pre-trained deep learning model; according to the semantic segmentation result, binary masks of the back area and the belly area of each sturgeon are generated, and noise areas in the masks are removed through morphological processing and connected domain analysis; respectively performing ellipse fitting on the denoised back and belly region pixel sets of each sturgeon, extracting long axis direction angles of the back and belly ellipses of each sturgeon, further calculating a rollover angle, and judging whether the sturgeon has rollover or not and the rollover degree according to the rollover angle; according to the method, high-robustness and high-precision automatic monitoring can be realized in complex environments such as strong light reflection and turbid water quality, so that the manual inspection cost is remarkably reduced, the culture efficiency is improved, and sturgeon health and caviar production quality are guaranteed.

The invention provides a Chinese sturgeon sex determination method and a Chinese sturgeon sex determination model training method.The method comprises the steps that first preprocessing and second preprocessing are conducted on a to-be-detected image, a first input image and a second input image are obtained, and the first preprocessing is used for enhancing individual morphological features of female fishes and male fishes; the first input image and the second input image are subjected to gender identification through a Chinese sturgeon gender identification model, a first identification result, a first confidence coefficient, a second identification result and a second confidence coefficient are obtained, and the Chinese sturgeon gender identification model is trained based on a target detection algorithm; the training set comprises a female fish annotation image subjected to first preprocessing and a male fish annotation image subjected to second preprocessing; and taking one of the first identification result and the second identification result with higher confidence as a final identification result. By means of the method, the accuracy and efficiency of Chinese sturgeon sex identification can be further improved by means of the target detection technology.

The utility model provides a kind of sturgeon fry swimming posture monitoring device, device includes: fixed plate, calibration plate, sleeve, camera platform, camera, workstation, light buzzer alarm.The utility model's device is set fixed plate and calibration plate in the water bottom plane of sturgeon fry breeding water body area, using fixed plate and sleeve support the camera platform above water surface, and the image is automatically collected by camera to sturgeon fry breeding water body area, the monitoring to sturgeon fry swimming posture is realized.In addition, the camera on camera platform is connected to workstation by network cable, and workstation is connected to light buzzer alarm by serial line, to complete the real-time upload and processing of image, and the monitoring result of sturgeon fry swimming posture is real-time warning by light buzzer alarm, overcome the qualitative defect that artificial patrol cannot objectively and accurately to sturgeon fry appears swimming posture abnormal behavior.

The application discloses an underwater pollution source sniffing device based on sturgeon nasal cavity bionics. In view of the problems of high energy consumption, loud noise, dependence on manual operation, and difficulty in quickly and accurately identifying and positioning the pollution source of the traditional water quality monitoring technology, the passive sniffing device developed by the application integrates a sturgeon nasal cavity sniffing system, an underwater propulsion system and a rudder system. The sturgeon nasal cavity structure can optimize the flow field and efficiently capture the pollution source information in water; the underwater propulsion system is responsible for realizing the movement of the device, and the rudder system cooperates with the electric control system to realize accurate control of turning; the three cooperate to form a passive sampling design, which effectively reduces the energy consumption and noise. The design not only improves the efficiency and sensitivity of pollution source monitoring, but also guarantees the stable operation of the device, and provides a feasible solution for efficient monitoring and accurate positioning of underwater pollution sources.

The utility model discloses a portable preservation device for sturgeon roe samples, which belongs to the technical field of biological sample preservation equipment and comprises a preservation box body, a sealing cover plate is arranged on the upper surface of the preservation box body, an operating handle is fixedly mounted on the upper surface of the sealing cover plate, and damping spring columns are fixedly mounted at the bottom of the inner wall of the preservation box body. A storage box is fixedly installed on the upper surfaces of the damping spring columns, and a semiconductor refrigeration device is fixedly installed on the lower surface of the storage box. According to the portable storage device for the sturgeon roe samples, the rotating motor is arranged to drive the rotating fan blades to rotate, the temperature of the storage box can be accurately controlled in cooperation with the semiconductor chilling plate, the heat dissipation fins and the heat conduction frame, it is ensured that the sturgeon roe samples are always in a proper low-temperature environment, and the biological activity of the sturgeon roe samples is effectively maintained; the roe activity reduction and even death caused by temperature change are effectively avoided, and the sturgeon roe can be better transported and stored.

The present application relates to the low-temperature food preservative and fresh-keeping technical field, and particularly provides a quorum sensing inhibitor and its application in sturgeon preservative and fresh-keeping, specifically, the fresh-keeping method of vacuum packaging sturgeon provided by the present application comprises the following steps: placing the sturgeon into a resveratrol solution with a concentration of 0.1 mM-0.5 mM at 0-4 DEG C, taking out and draining, and vacuum packaging.The present application utilizes the quorum sensing inhibition effect of resveratrol to provide an efficient, green and safe preservative and fresh-keeping technology for low-temperature storage food, especially sturgeon, without adding chemical preservatives.

The present invention belongs to the field of fish sex identification in the field of aquaculture, and specifically relates to a specific DNA fragment and application for sex identification of a spoonbill sturgeon. The present invention successfully screens a female spoonbill sturgeon sex-specific DNA fragment through high-throughput sequencing and comparative genomic methods, and designs primers to accurately and quickly identify its sex, and discloses its primer sequence, PCR reaction system and conditions. The identification method of the present invention is simple, fast, accurate, and has minimal damage to the fish body, which solves the problem of sex identification of a spoonbill sturgeon and will contribute to the development of the spoonbill sturgeon breeding industry.

The utility model provides a fish excrement cleaning system of a culture pond, and aims to solve the technical problem that the cleaning efficiency of sturgeon excrement in the culture pond is low. The fish excrement cleaning system comprises: a culture pond main body, the bottom of one end of which is provided with a water inlet and the bottom of the other end of which is provided with an excrement discharge channel; the separation net is laid in the culture pond body and located above the water inlet; the drainage tank is arranged outside one end of the culture pond main body and is communicated with the excrement discharge channel; wherein a cleaning groove is formed between the top of the culture pond body and the drainage groove, a blocking net is arranged in the cleaning groove, and the liquid level in the culture pond body is located in the middle of the blocking net. When fresh water flows into the culture pond main body, certain impact force is generated at the bottom of the culture pond main body, so that excrement deposited at the bottom of the culture pond main body is impacted. The fluid at the excrement discharging channel is high in flow speed and small in pressure, so that excrement flows along with the fluid and is discharged from the excrement discharging channel.

The invention relates to the technical field of aquaculture, in particular to a Chinese sturgeon parent fish health assessment method based on blood data. Comprising the following steps: collecting blood of parent Chinese sturgeons to construct a biochemical index data set, and preprocessing; and selecting a machine learning model to construct a Chinese sturgeon parent fish health model, inputting the preprocessed biochemical index data set into the health model for training, and adopting cross validation to obtain an optimal Chinese sturgeon parent fish health prediction model. Health assessment of the Chinese sturgeon parent fish is achieved through the optimal Chinese sturgeon parent fish health model and the health score. Health modeling is carried out based on biochemical indexes of blood of parent Chinese sturgeons. The model system can predict the health state of the Chinese sturgeon parent fish and warn the health problem in time, thereby having important significance for improving the health level of the parent fish.

This invention discloses a dynamic counting method for uneaten feed in sturgeon based on multi-target tracking, comprising the following steps: Step S1: Collecting video data of uneaten feed in the water flow at the water exchange inlet of the sturgeon breeding pond using an underwater camera; Step S2: Optimizing the quality of the acquired images using image enhancement technology; Step S3: Using a YOLO model as a detector to achieve accurate detection of uneaten feed, and using an improved SORT algorithm to stably track the uneaten feed; Step S4: Performing precise statistical analysis on the tracking results based on a dynamic counting line. This invention is applicable to uneaten feed counting in industrialized sturgeon farming, providing precise data support for feed feeding management, optimizing feed utilization efficiency, reducing farming costs, and providing efficient technical support for intelligent aquaculture.

The invention discloses a mangnolia officinalis fermented feed for feeding cold water fish and a preparation method and application thereof, and the mangnolia officinalis fermented feed comprises the following components in percentage by weight of sturgeon feed: 50-65% of mangnolia officinalis, 10-15% of astragalus membranaceus, 15-10% of scutellaria baicalensis, 10-5% of cortex moutan, 5-10% of rhizoma atractylodis and 30-38% of bacterial liquid. Washing the mangnolia officinalis, the astragalus membranaceus, the scutellaria baicalensis, the cortex moutan and the rhizoma atractylodis, air-drying, mixing and grinding into mixed powder which can pass through a 200-mesh sieve; adding compound probiotics into distilled water, activating, and mixing with the compound enzyme preparation to obtain bacterial liquid; and putting the mixed powder, the bacterial liquid and the sturgeon feed into a biological fermentation bag, and fermenting to obtain the magnolia officinalis fermented feed. The mangnolia officinalis fermented feed disclosed by the invention has a prevention and treatment effect on the sturgeon bloating disease, and can improve the intestinal tract and the digestive ability thereof and enhance the immunity of the organism.