50 results about "Sturgeon" patented technology

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 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 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 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 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.

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.

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.

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.

This utility model discloses a water purification device for sturgeon farming, including a housing with an inlet pipe extending through one side of the housing. Through the filtration mechanism, a water pipe is installed on one side of the housing, connecting to a filter drum. An inlet valve is also installed outside the water pipe. When the inlet valve is opened, water from the fishpond enters the filter drum through the water pipe. A filter screen is installed around the filter drum to trap impurities inside. Furthermore, a cleaning pipe and a cleaning valve are installed at the bottom of the water pipe. Closing the inlet valve and opening the cleaning valve allows wastewater to be discharged from the filter drum. This effectively filters impurities from the water and prevents their accumulation, which would otherwise hinder efficient separation and increase the load on subsequent treatment processes, affecting filtration quality and efficiency, and increasing the cost and difficulty of equipment maintenance and replacement.

The utility model discloses sunshade equipment for sturgeon culture, which comprises a support (1), the support (1) is arranged on the upper side of a fish pond, a first mounting seat (2) and a second mounting seat (3) are respectively arranged at the front end and the rear end of the support (1), a first wind-up roller (7) is arranged on the first mounting seat (2), a first sunshade curtain (8) is arranged outside the first wind-up roller (7), a motor (9) for driving the wind-up roller (7) to rotate is arranged on one side of the first wind-up roller (7), and a second sunshade curtain (8) is arranged on the other side of the first wind-up roller (7). A second winding roller (10) is arranged on the second mounting base (3), a second sunshade curtain (11) is arranged on the second winding roller (10), coil springs (12) are arranged on the two sides of the second sunshade curtain (11), the length of the coil springs (12) is larger than that of the second sunshade curtain (11), and the ends of the coil springs (12) are connected with the first sunshade curtain (8). The sunshade effect can be effectively improved, and the fish culture effect is improved.

The utility model provides a transport stretcher for adult Chinese sturgeons. The transport stretcher for the adult Chinese sturgeons comprises two stretcher rods and stretcher cloth connected between the two stretcher rods. The stretcher rods are hollow telescopic rods or are formed by assembling a plurality of sections of hollow steel pipes end to end; the stretcher cloth is rectangular cotton and linen cloth, the left side and the right side of the stretcher cloth are each provided with a plurality of stretcher rod sleeves allowing the stretcher rods to penetrate through, the stretcher cloth is provided with a row of first draining holes located in the central axis of the Chinese sturgeon adult transporting stretcher, and the stretcher cloth is further provided with a plurality of second draining holes formed in the left side and the right side of the central axis respectively. The front end of the stretcher cloth is provided with a double-layer triangular cloth pocket used for being stuffed into the head of the Chinese sturgeon, and the triangular cloth pocket is an isosceles triangle symmetrical about the central axis. By means of reasonable structural design and material selection, the problems existing when an existing stretcher is used for transporting Chinese sturgeon adults are solved, safety and efficiency of transportation are improved, and powerful support is provided for rescue and breeding work of Chinese sturgeons.

The application discloses an extraction method of sturgeon oil with skin repair function, which comprises the following steps: S1, preparation of crude fish oil of fish fat; S2, preparation of crude fish oil of fish liver; S3, preparation of crude fish oil of fish skin; S4, degumming and deacidification; and S5, refining. The fish oil extracted from different parts of sturgeon is mixed according to a specific proportion, the fish fat fish oil, the fish liver oil and the fish skin oil are mixed, and three kinds of functional components are added in the extraction process respectively, i.e. dihydroquercetin (providing antioxidant protection), phosphatidylserine (enhancing cell membrane repair and nutrient absorption) and curcumin (bringing anti-inflammatory and whitening effects), so that a multiple synergistic formula system is formed, and the prepared sturgeon oil is significantly enhanced in the repair function on the skin, and the bioavailability and stability of the product are improved.

The utility model discloses a kind of sturgeon breeding's feeding device, it is related to sturgeon breeding technical field, including box, the top of the box is equipped with top cover by two hinges of symmetrical arrangement, the upper surface of the top cover is fixedly connected with handle, the inside of the box is provided with flow guide slope, the sidewall of the box is equipped with extension box, the side of the extension box away from the box is provided with movable plate.The utility model relies on the kinetic energy provided by bait granule of push plate to fly outwards, finally is scattered to sturgeon breeding pond to feed, simultaneously relying on the elasticity of push plate itself and elastic cord, can be adjusted feeding distance according to the accumulation height of bait, make bait distribution to different area in breeding pond, avoid because feeding is more concentrated to lead to sturgeon stress and rush to eat and thus cause harm to each other, simultaneously relying on the cutting effect of elastic cord to bottom bait, can reduce the close degree of bait accumulation, avoid because the bottom of box is blocked to lead to that feeding efficiency is reduced.

The utility model discloses a sturgeon processing device, which relates to the technical field of sturgeon processing and comprises a fixing mechanism, a fish head cutting mechanism is arranged on one side of the top of the fixing mechanism, a fish bone cutting mechanism is fixedly connected to the middle of the top of the fixing mechanism, and the fish head cutting mechanism comprises a mounting frame. And the top of the mounting frame is fixedly connected with a mounting plate. Through the arrangement of the fish head cutting mechanism, when a sturgeon is processed, the first motor can drive the first cutting blade to rotate at a high speed, the fish head and the spine are cut open, a cutter does not need to be held by hand for cutting, cutting is more convenient, and through the arrangement of the fish bone cutting mechanism, in the process of taking out the spine, the cutting efficiency is improved. A second cutting blade is driven by a third motor to rotate at a high speed, the sturgeon spine is cut, after the sturgeon spine is cut open, a spine rope can be taken out of the sturgeon spine, and compared with conventional manual cutting, cutting is more convenient, and more labor is saved.

The production of caviar from live sturgeon and the production of caviar-like products from live fish or live crustaceans is particularly sustainable and also efficient from an economic point of view. In the prior art, mature live eggs are treated with calcium cations, thus enzymatically forming a structurally hardened egg shell. In the method according to the invention, the egg shell of fish and crustaceans has three or more layers, in the potassium exposure step, mature live eggs are contacted in deionized water and a solution of potassium cations, wherein the concentration of potassium cations and the water temperature have no damaging effect on the live eggs. The eggs form a new stable layer (SS) in the egg shell by continuous electrical depolarization. The stable layer is elastic and provides the caviar or caviar-like product with new texture and properties for future use. The potassium cations used as a technical auxiliary agent are not present in the final product. A supplementary treatment with calcium cations can be used. The products manufactured with the invention have a particularly long shelf life, they can even be frozen without loss of quality.

The invention discloses application of thiamine in improving the sugar utilization rate and growth performance of sturgeons, and belongs to the field of aquaculture. It is proved for the first time that by enhancing a glycolytic pathway, inhibiting a gluconeogenesis pathway and promoting glycogen decomposition, the thiamine effectively improves the sugar metabolism capacity of sturgeons and reduces hepatic glycogen deposition and fat accumulation, so that the risk of metabolic disorder is reduced. Meanwhile, thiamine also promotes muscle fiber growth, so that the growth speed of the sturgeons and the feed utilization rate are remarkably increased. Therefore, the thiamine can be used as a feed additive for preparing the feed for improving the sugar utilization rate and the growth performance of the sturgeons. A safe and efficient nutrition regulation and control scheme is provided for sturgeon culture, the feed utilization rate and culture benefits are improved, meanwhile, ecological risks such as antibiotic abuse are avoided, and remarkable economic benefits and application prospects are achieved.

This invention relates to the field of sturgeon farming technology and discloses a feed dispensing device for sturgeon farming, including a feeding barrel. A transmission sleeve is fixedly connected to the left side of the feeding barrel, and a feeding sleeve is fixedly connected to the right side of the transmission sleeve. A discharge cylinder is hinged to the inner right side of the feeding barrel, and a discharge port is opened on the upper surface of the discharge cylinder. A feeding roller is fixedly connected to the left side of the discharge cylinder, and a drop port is opened on the rear side of the feeding roller. In this invention, the elastic reset action of the torsion spring drives the discharge cylinder and the feeding roller to rotate and reset. At this time, the drop port faces backward, and the feed in the feeding roller cannot fall into the feeding barrel, which facilitates quantitative feeding and prevents feed from being fed too quickly and causing waste. The feeding roller and the discharge cylinder continue to rotate and reset, so that the feed intermittently and automatically falls from the feeding roller into the feeding barrel and the feeding sleeve, avoiding feed waste and improving feeding efficiency.

The invention discloses a feed additive composition as well as a preparation method and application thereof, and belongs to the technical field of sturgeon culture. The feed additive composition comprises arachidonic acid, vitamin C and pollen. Besides, the invention also provides a preparation method of the feed additive composition, which comprises the following steps: mixing the selenium yeast, the first starch and the first water, drying to obtain first particles, and mixing the first particles, the arachidonic acid, the vitamin C and the pollen to obtain the feed additive composition. In addition, the invention further provides application of the feed additive composition in sturgeon feed. According to the feed additive composition provided by the invention, the immunity of sturgeons can be effectively improved under the cooperation of the arachidonic acid, the vitamin C and the pollen.

The invention relates to the technical field of aquaculture, in particular to a weather-based self-adjustable liquid oxygen device for sturgeon culture, which comprises a culture box and a heating box arranged on the right side of the culture box and used for temporarily storing and heating water, and a conveying mechanism used for conveying water in the heating box into the culture box is mounted at the top of the heating box. A connecting pipe is fixedly connected between the heating box and the breeding box, and a check valve is mounted on the surface of the connecting pipe; when water in the stirring box is stirred and discharged every time, the positions and angles of the liquid oxygen pipe and the spray head can be adjusted at the same time, so that the situation that supplied oxygen is concentrated on one side is avoided, and it is guaranteed that oxygen can be supplied at different positions and different angles in the breeding box; when the liquid oxygen tank is replaced, liquid oxygen cannot be provided temporarily, water conveyed into the breeding box from the heating box can have enough oxygen content, and the situation that the breeding quality is affected due to the fact that the oxygen content is reduced is avoided.

The utility model belongs to the technical field of artificial sturgeon breeding, and particularly discloses a constant-temperature breeding pond for sturgeon breeding, which comprises a breeding pond, a positive and negative rotation motor is arranged on the breeding pond, a threaded rod is connected to the positive and negative rotation motor, two ends of the threaded rod are rotatably connected with fixing seats respectively, a sliding rod is connected between the fixing seats, and a threaded block is sleeved on the sliding rod. One end of the water supply pipe is connected with a water outlet pipe, the other end of the water supply pipe is communicated with a circulating water pump, the circulating water pump is communicated with a water treatment tank, and the water treatment tank is communicated with the interior of the culture pond. The forward and reverse rotation motor continuously rotates forwards and reversely, the threaded block and the water supply pipe are driven to reciprocate along the threaded rod and the sliding rod, and therefore water flow with the water temperature suitable for sturgeon growth in the water outlet pipe is continuously conveyed to all positions of the culture pond, and uneven distribution of the water temperature in the culture pond in the horizontal direction is avoided; the problem that the water temperature in the culture pond is too low to cause adverse effects on sturgeon growth is solved.

The invention discloses a method for efficiently and greenly extracting sturgeon skin gelatin, and particularly relates to a method for efficiently and greenly extracting fish skin gelatin by using a choline-amino acid eutectic solvent, which comprises the following steps: crushing fish skin, soaking in a choline-neutral / alkaline amino acid eutectic solvent and an aqueous solution thereof, extracting for 0.5-5 hours, filtering, washing, and drying to obtain the sturgeon skin gelatin. The gelatin extraction rate can reach 90% or above; adding 3-8 volume of precooled organic solvent into the extracting solution, and standing for 8-16 hours at the temperature of below 10 DEG C, wherein the recovery rate of the gelatin precipitate can reach more than 90%; and washing and drying the precipitate to obtain a gelatin product which has the gel strength of 135 g and the amino acid composition consistent with that of the type A gelatin and conforms to the national standard of edible gelatin. According to the method, the traditional acid-base pretreatment step is abandoned, the process time consumption is greatly shortened, and a new way is provided for high-value utilization of fish processing byproducts and development of a green gelatin production process.

The utility model relates to the technical field of sturgeon culture, and discloses a sturgeon culture pond floating object salvaging device which comprises a round culture pond, a salvaging mechanism is arranged in the round culture pond, and the salvaging mechanism comprises a supporting column, a motor box, a lifting assembly, a gear motor, a mounting rod, two connecting rods, a pushing plate, a salvaging plate and a mounting assembly. The supporting column is arranged at the circle center of the inner bottom wall of the circular culture pond. By arranging the motor box, the gear motor and the connecting rod, the pushing plate can rotate anticlockwise in the circular culture pond, in the anticlockwise rotation process of the pushing plate, sundries on the water surface can be gathered on the side, close to the fishing plate, of the pushing plate, and therefore the sundries can be gathered, and after the sundries are gathered, the sundries can be fished out of the round culture pond. The pushing plate, the salvage plate and the like can be driven to move upwards through the supporting column and the lifting assembly, so that the salvage plate can drive sundries above the salvage plate to break away from the water surface, and salvage of the sundries is achieved.

A portable morphological measuring ruler for naked-bellied sturgeon belongs to the field of aquaculture technology. The concave frame has its open end facing downwards. The horizontal end of the concave frame is fixedly connected to a handle. A sliding hole is provided along the length of the right side wall of the concave frame, containing a support mechanism. A threaded hole is provided on the left side wall of the concave frame, threadedly connected to a threaded rod. One end of the threaded rod is rotatably connected to one end of a push plate, and the other end of the push plate is fixedly connected to a second anti-slip pad. The second anti-slip pad corresponds to the first anti-slip pad and is fixed to the inner right wall of the concave frame. A second sliding hole is provided along the length of the horizontal end of the concave frame, containing a length measuring mechanism. The outer wall of the concave frame is rotatably connected to the head measuring ruler. This invention, through its scientific structural design, ensures measurement accuracy and comprehensiveness while also considering ease of operation and protection of the fish. It can meet the needs of morphological measurement of naked-bellied sturgeon in different scenarios and has high practical value.

The present application belongs to the technical field of aquaculture and fish resource protection, and specifically provides a visual-priority experimental water target fish three-dimensional trajectory fusion tracking and monitoring method and system, which comprises: through the cooperative deployment of a fixed unit and a mobile unmanned ship, a fusion sensing unit is disposed, visual, sonar and hydrological data are collected, and space-time alignment is completed; after pretreatment, target fish features and centroid coordinates are extracted based on an improved target detection model, then cross-unit target matching is performed, and target fish speed, acceleration and attack angle motion parameters are calculated; then a multi-view visual triangulation is performed to construct a preliminary three-dimensional trajectory, a blind area and deviation are corrected through sonar and visual fusion, and after the elimination of abnormal points, a continuous final three-dimensional trajectory is generated. The present application uses a visual-priority multi-sensor fusion technology to solve the problems of low monitoring accuracy and poor trajectory continuity of a single sensor in a complex water environment, and provides high-reliability technical support for the field protection, habit research, health assessment and habitat restoration of flagship species such as Chinese sturgeon.

The utility model discloses an automatic oxygenation device for large-scale cultivation of sturgeon with naked abdomen, and relates to the technical field of aquaculture. The automatic oxygenation device comprises a fixing pile, an oxygenation machine and a dissolved oxygen sensor, a transverse rod is fixedly arranged on the surface of the fixing pile, a floating air bag is fixedly arranged at the other end of the transverse rod, a transverse plate is fixedly arranged at the top end of the fixing pile, a rotating mechanism is arranged at the top of the transverse plate, and the dissolved oxygen sensor is arranged on the rotating mechanism. And an extension mechanism is arranged on the surface of the rotating mechanism. The device is fixed in the middle of an aquaculture pond through the fixing piles, the aerator and the hose are driven by the rotating mechanism to rotate in a reciprocating mode, the aerator injects oxygen into water through the hose, the distance between the end, away from the aerator, of the hose and the aerator can be adjusted through the extending mechanism, and therefore the oxygen injection range is adjusted; the rotating mechanism drives the aerator and the hose to rotate in a reciprocating mode, and it is ensured that oxygen can be evenly distributed in the whole area of the aquaculture pond.