45 results about "Fish health" patented technology

The invention provides a water quality purification device for a black carp ecological culture pond, and belongs to the technical field of black carp culture, the water quality purification device comprises a culture pond, a supporting plate is arranged above the culture pond, first toothed plates are arranged on the two sides of the culture pond, a second toothed plate is fixedly connected in the culture pond, and a motor and a gear disc are arranged at the two ends of the supporting plate; a circulating assembly and a bearing assembly are arranged above the supporting plate, and the cleaning assembly is used for cleaning impurities at the bottom of the culture pond; the sterilizing assembly is used for sterilizing by utilizing the rising height of the liquid level; the filtering and oxygen increasing assembly can filter impurities in the culture pond and increase the oxygen content in the culture pond; the black carp culture pond has the advantages that substances such as fish manure and impurities in a water body in the culture pond are filtered and purified, meanwhile, the oxygen content in the culture pond is increased, and the survival rate of black carps can be increased; and the sterilization treatment on the culture pond can be automatically completed, the water quality safety is ensured, and the healthy growth of fishes is promoted.

The invention provides an improved YOLOv8-based marine ranch fish disease recognition method and device, and the method comprises the steps: collecting first underwater images of a marine ranch at different positions at the same moment, inputting the first underwater images into a pre-constructed neural network model for fish disease recognition, and outputting an initial fish disease recognition result; performing hue inspection on a first identification area of the initial fish disease identification result, and splicing the initial fish disease identification results subjected to the hue inspection to obtain a first fish disease identification result; performing disease cause analysis on the first fish disease recognition result according to the environmental data to generate a fish disease cause analysis report; and based on the first fish disease identification results at different moments, constructing a movement track of the fish, according to the fish activity data and the movement track, carrying out activity analysis on the fish with fish diseases, generating a fish health assessment index, and combining a fish disease cause analysis report and the fish health assessment index to generate a fish disease identification result. According to the invention, the reliability and convenience of fish disease identification can be improved.

The invention discloses a fish health condition monitoring device based on fish behavior analysis, which relates to the aquaculture technology and comprises a water surface unit, an underwater unit, an underwater unit and a data processing center. The water surface unit, the underwater unit and the underwater unit are respectively installed on the water surface, the underwater and the underwater of the culture pond, the water surface unit, the underwater unit and the underwater unit respectively collect real-time data of the water surface, the underwater and the underwater of the culture pond, the data processing center receives the real-time data and processes the real-time data through a Stacking stacking learning model, and the data processing center processes the real-time data through a data processing module. The health condition of the fish school in the culture pond and the abnormal position are judged, and an abnormal alarm signal is generated when it is judged that the fish school at a certain position in the area makes an abnormal behavior. The invention further discloses a fish health condition monitoring method based on fish behavior analysis. The system can achieve the real-time detection and early warning of the health condition of the fish school, and effectively improves the anti-risk capability and economic benefits in the breeding process.

The present invention relates to methods for determining the health status of populations of fish and diagnosing conditions or diseases in unhealthy fish. In particular, the present invention relates to blood biomarkers for assessing the health status and diagnosing conditions and diseases in populations of fish.

The present invention is concerned with a method of improving health of fish. The method has a step of feeding the fish with a fish feed, wherein the fish feed in its dried state has 60-93.35 mg / kg of zinc oxide (ZnO) particles.

The invention discloses a portable fish appearance and weight information acquisition method and system, and relates to the technical field of fish appearance and weight, and the method comprises the following steps: step 1, appearance measurement and analysis, step 2, weight acquisition and analysis, and step 3, data processing. The stages of all fishes in the aquaculture area are identified, the growth speed and change trend of the fishes in different growth stages are visually known, individuals or groups with abnormal growth can be found in time, culturists can know whether the growth space of the fishes is sufficient or not in time, the culture density can be adjusted in time, and the survival rate of the culturists is improved. According to the method, the fish health problem caused by too high density is avoided, whether the growth state of each fish is abnormal or not is judged, the survival environment index of each fish in an aquaculture area is evaluated, more suitable survival and growth conditions are created for the fishes, fish growth is promoted, and slow growth or death of the fishes caused by uncomfortable environment is avoided.

The invention discloses a method for effectively relieving soybean antigen protein Glycinin in fish feed and application of the method. The invention discloses application of N-acetylcysteine as a functional feed additive capable of relieving carp enteritis induced by soybean antigen protein Glycinin. The feed disclosed by the invention comprises a soybean antigen protein Glycinin and N-acetylcysteine (NAC). According to the present invention, 1.5-6.0 g / kg of NAC is added to a feed containing 80 g / kg of Glycinin, such that the fish growth, the feed utilization rate, the digestion function, the protein metabolism function, the immune function, the oxidation resistance and the intestinal morphology can be significantly improved, and the soybean antigen protein Glycinin-induced growth inhibition and the intestinal injury can be effectively relieved; the functional fish feed additive provided by the invention is relatively low in cost and easy to popularize, and is beneficial to development of novel green antibiotic-replacing additives, improvement of the utilization rate of soybean protein sources, reduction of feed cost and promotion of healthy culture of fishes.

The invention discloses an intelligent fishery platform construction method and system based on federated learning, and belongs to the technical field of federated learning, and the method comprises the steps: building an intelligent fishery platform to obtain fish school multi-modal data, data preprocessing, feature extraction, feature fusion, local fish school health assessment model construction, federated learning training and real-time early warning. The invention provides an efficient, reliable and safe intelligent fishery platform management solution, the problems of data islands, privacy security, model limitation and dynamic adjustment difficulty existing in the existing intelligent fishery platform are solved, and the scientificity and practicability of fish school health management are remarkably improved.

The invention provides a fish culture state monitoring method based on multi-sensor data, and relates to the technical field of aquaculture. A radio frequency detection unit and a water quality sensor array which are synchronously driven by a unified clock source are used for collecting fish school state data and a culture environment data set corresponding to a culture net cage, so that synchronous acquisition of fish school dynamic and environment parameters is realized; performing feature-level and decision-level fusion processing on the fish school state data and the breeding environment data set through a multi-task learning model with a layered architecture, generating a fish school health state level and a growth trend prediction value, and improving the comprehensive evaluation accuracy; dynamic early warning analysis is carried out on the fish school health state grade and the growth trend prediction value, fish school health abnormity early warning data is generated, and potential health risks are captured in time; and finally, a visual monitoring interface is constructed by adopting the obtained data, so that the overall culture state can be intuitively mastered. Through multi-source collaborative perception and deep fusion analysis, the fish culture state monitoring effect is comprehensively optimized.

The invention relates to the technical field of fry and fingerling breeding, in particular to an anti-wind-wave marine ranch breeding device which comprises a base plate and a bottom plate, an anti-falling enclosure assembly is arranged above the base plate, a plurality of connecting columns are fixed to the bottom face of the base plate, a plurality of limiting frames are arranged below the base plate, the connecting columns penetrate through the limiting frames, and the connecting columns penetrate through the limiting frames. The bottom ends of the connecting columns are fixed to the top face of the bottom plate, a first netting is fixed between the base plate and the bottom plate, and a second netting is fixed between the bottom plate of the first netting and the base plate. The device has the advantages that the limiting frame is hollow and provided with the vent holes, bubbles are released to water through the air pump and the air delivery pipe, the dissolved oxygen concentration is increased, and healthy growth of fishes is promoted. A reserved cavity and a liquid dispersing hole are formed in the driving screw rod, and an antimicrobial agent or a nutritional agent is injected through pressurization of a liquid injection pipe, so that uniform spraying is realized, and manual operation errors are reduced.

The present invention relates to the field of computer vision technology, and specifically to a method for multi-object tracking of fish in the scenario of land-based industrialized recirculating aquaculture. First, the present invention obtains the fish movement video and light intensity of a land-based industrialized recirculating aquaculture farm. Secondly, video frames that meet preset conditions are selected from the fish movement video as reference frames. Then, based on the fish movement video and light intensity, video frame features are extracted, and a video frame adjustment coefficient is generated in combination with the reference frames. Then, an adaptive adjustment model for fish movement video frames is constructed according to the video frame adjustment coefficient to adaptively adjust the fish movement video frames to obtain a standard fish movement video. Then, a fish multi-object tracking model is constructed to perform multi-object tracking of fish on the standard fish movement video to obtain fish movement trajectories. Finally, according to the fish movement trajectories and the standard fish movement video, a fish health detection model is constructed to detect the health status of each fish in the standard fish movement video.

The present invention provides a method and device for identifying fish diseases in a marine ranch based on improved YOLOv8, the method comprising: collecting first underwater images of a marine ranch at different positions at the same time and inputting them into a pre-built neural network model for fish disease identification, and outputting an initial fish disease identification result; performing a hue test on the first identification area of ​​the initial fish disease identification result and splicing the initial fish disease identification results that have undergone the hue test to obtain a first fish disease identification result; performing a disease cause analysis on the first fish disease identification result according to environmental data to generate a fish disease cause analysis report; constructing a fish movement trajectory based on the first fish disease identification results at different times, performing an activity analysis on fish with fish diseases according to fish activity data and movement trajectories, generating fish health assessment indicators, and generating a fish disease identification result in combination with the fish disease cause analysis report and the fish health assessment indicators. The present invention can improve the reliability and convenience of fish disease identification.

The invention discloses a fish health early warning system based on multiple modes. The system comprises an image and audio data acquisition module, a fish health early warning algorithm control module, a front and back end module, a hardware unit and an EMQX cloud service module. According to the system, video images shot by an underwater camera and audio data collected by an underwater microphone at the same time point are detected in real time through a multi-modal algorithm model, classification is carried out according to the swimming activeness of a fish school and the frequency of sound, and early warning is carried out in a healthy state and a disease state. The method is more stable, can save a large amount of manpower and material resources, is convenient to operate, overcomes the limitation of a single method, detects the health of fish schools according to different videos and audios of each fish pond through an algorithm, achieves the effect of fish health early warning, and has extremely high application value.

The invention relates to an underwater replenishment device and a deepwater net cage. The underwater replenishment device comprises a mounting platform, a replenishment pipeline and a driving mechanism. The mounting platform can be horizontally and movably arranged at the top of the deepwater net cage. The supply pipeline is a hard pipe, and the supply pipeline is arranged on the mounting platform in a lifting mode and is arranged in the vertical direction. A receiving port is formed in the top end of the supply pipeline, and the bottom end of the supply pipeline can downwards extend into the deepwater net cage and is provided with a spraying structure. The driving mechanism is arranged on the mounting platform, is in driving connection with the supply pipeline and is used for driving the supply pipeline to lift. The underwater supply device can achieve the purposes of feeding and air supply for fishes, so that healthy growth of the fishes is ensured, and the culture benefits of a deep and far sea culture platform are improved. And through the mounting platform and the driving mechanism, position adjustment of the supply pipeline in the horizontal direction and the vertical direction can be achieved, the supply range of the supply device is widened, and the applicability and practicability of the device are improved.

A system is for in-situ monitoring and recording of fish health of fish in a fish cage. The system has at least one camera housing. The camera housing is provided with a camera group having at least two cameras arranged to take synchronized pictures for digital close-range photogrammetry. The system has a central data-processing unit, the central data-processing unit being arranged to calculate a three-dimensional model of an object photographed synchronously by the at least two cameras. The data-processing unit is arranged to report the number of structures deviating from the smooth surface of the object in the three-dimensional model.

The invention discloses a fish health condition monitoring, early warning and regulating method, device and equipment based on fish sound signals, a medium and a product, and relates to the field of fish health monitoring, and the method comprises the steps: obtaining sound signals of healthy fishes under suitable / non-suitable living environment conditions, and constructing a first sound database and a second sound database; sound signals of sick fishes in different sick stages are obtained, and a third sound database is constructed; acquiring a sound signal of the target research fish school; determining the similarity between the sound signals of the target research fish school and the sound signals in the first sound database, the second sound database and the third sound database by adopting a similarity measurement method; and obtaining a health condition monitoring result of the target research fish school based on the similarity, and generating a regulation and control strategy based on the health condition monitoring result. According to the invention, high-efficiency and accurate fish early-stage pathology identification is realized in a low-visibility environment, so that the real-time performance and accuracy of fish health condition monitoring, early warning and regulation are improved.

This invention relates to a precise fish feeding method based on multimodal perception and uncertainty-weighted multi-task learning, comprising the following steps: acquiring pre-selected multi-source heterogeneous data as model input data; processing the model input data through pre-defined feature engineering to obtain a unified multimodal joint feature vector; processing the unified multimodal joint feature vector through an uncertainty-weighted multi-task model integrating a dual-attention mechanism and an adaptive loss balancing mechanism to obtain an optimized feeding decision; parsing the optimized feeding strategy to generate feeding control instructions, and implementing precise fish feeding based on the feeding control instructions. This invention employs an uncertainty-weighted multi-task model to address the difficulties of single data sets and multi-task balancing. Through dual-attention mechanism optimization, it improves decision accuracy and feed utilization, achieving high-efficiency aquaculture. This invention optimizes the sustainability of the aquaculture environment and promotes water quality and fish health.

The invention discloses a breeding device and method for feeding floating feed at a fixed point, and belongs to the technical field of fishery breeding equipment. The breeding device comprises a fixed-point feeding device formed by fixedly assembling a floating ring, a purse seine and a rolling belt, and the floating ring is evenly distributed and fixed to the outer side of the purse seine through a plurality of binding belts and used for feeding floating feed at a fixed point; and the length of the floating ring, the length of the purse net and the number of the ribbons are calculated according to the area of the aquaculture pond and then are fixedly assembled. The culture method comprises the steps that the fixed-point feeding position of a culture pond is determined, the fixed-point feeding device is distributed in the fixed-point feeding position, floating feed is fed into a floating ring of the fixed-point feeding device in a fixed-time and quantitative mode, and fixed-point feeding is completed. According to the breeding device for fixed-point feeding of the floating feed, the feeding position can be accurately controlled, fixed-point feeding of the floating feed is achieved, the utilization rate of the feed is increased, water pollution is reduced, and healthy growth of fishes is promoted.

The invention discloses an intelligent feeding management system for aquaculture, which relates to the technical field of aquaculture and comprises a data acquisition module, a data processing module, an analysis module and a management module. According to the method, influence factors of multiple aspects such as basic metabolism requirements, water quality and body weight can be comprehensively considered, accurate calculation of the feeding amount can be achieved, the feed utilization rate can be increased, waste can be reduced, water quality parameters are brought into feeding amount analysis, real-time monitoring and accurate regulation and control of the water quality condition can be achieved, and the method is suitable for large-scale popularization and application. According to the method, the water quality deterioration risk is reduced, a good growth environment is provided for fishes, the requirement difference of different weights of the fishes for feed can be considered, personalized and intelligent feeding strategies can be formulated, the growth requirements of the fishes are met, and healthy growth of the fishes is promoted.

The invention discloses a water quality monitoring device with a protection structure, and relates to the technical field of water quality monitoring, the water quality monitoring device comprises a buoy, the top of the buoy is provided with a through hole in a penetrating manner, the top of the buoy is fixedly provided with a solar panel, and the top of the buoy is provided with a hoisting mechanism above the through hole; the device comprises a hoisting mechanism, a steel cable is arranged outside the hoisting mechanism, the device further comprises a mounting frame which is fixedly mounted at one end, away from the hoisting mechanism, of the steel cable, a mounting plate is fixedly mounted at the bottom of the mounting frame, a filter screen cover is fixedly mounted at the bottom of the mounting plate, and a detection head is fixedly mounted at the position, located in the filter screen cover, of the bottom of the mounting plate; the monitoring depth can be controlled when the water quality is monitored, the buoy and the steel rope can be protected, the impact force of fishes can be reduced, the damage to the whole structure can be avoided, the damage to the health of the fishes due to the impact of the fishes can be avoided, and the practicability is improved.

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 utility model discloses a timed feeding device for ornamental fish tanks, belonging to the field of aquarium technology. The device includes a fish tank and a cover plate installed on the tank. A feeding drive is provided on the tank. It also includes a mounting platform detachably mounted on the cover plate. A storage box for holding fish food is fixedly installed on the mounting platform. Symmetrically sliding baffles for discharging food are mounted on the storage box. When the two sets of baffles abut each other, a first working area is formed; when the two sets of baffles separate, a second working area is formed. This utility model, through the cooperation of the two sets of baffles, can effectively cover the entire inner wall space of the storage box. After feeding, the two sets of baffles close, preventing moisture from entering the storage box. This avoids the feed from clumping and spoiling due to continuous moisture intrusion, reducing blockage of the feeding channel and ensuring water quality and fish health.

The embodiment of the invention provides a fish health prediction method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a water quality parameter of a target fish according to a water quality sensor, and determining behavior feature data of the target fish through an image collection device; a pre-constructed coupling health model is obtained, and the coupling health model at least comprises a water quality influence factor item and a behavior influence factor item; and determining a health score value corresponding to the water quality parameter and the behavior characteristic data according to the coupling health model. According to the embodiment of the invention, the problem that fish water quality monitoring and behavior monitoring are mutually independent can be solved, time sequence characteristics of water quality data are monitored, the stability of behavior health monitoring is improved, and the reliability of fish health detection in a real and complex environment is realized.

The utility model provides a monitoring device configured in an aquaculture net cage, and the device comprises a bearing support which is used for being placed in an aquaculture area enclosed by the aquaculture net cage; the floating body component is installed on the bearing support, the density of the floating body component is smaller than that of water so that first acting force can be applied to the bearing support, and the output direction of the first acting force is the water surface direction of the breeding area; the bearing support is connected with the breeding net cage through the at least three pulling components, the pulling components are arranged at intervals in the circumferential direction of the bearing support, and traction acting force is formed on the bearing support through the pulling components so that the bearing support can be limited to the target position of the breeding area; the monitoring assembly is configured on the bearing support and used for monitoring the underwater environment of the breeding area in real time; the technical problems that the monitoring position is difficult to position and the positioning deviation is large in the aquaculture net cage are solved, and the reliability and the accuracy of monitoring data are greatly improved. The method is of great significance to timely discover and process abnormal conditions which may affect fish health.

This invention relates to the field of water resource ecological environment protection technology, and in particular provides a method for fish health assessment. The method includes: acquiring target status monitoring data for at least one target fish species in at least one environmental data dimension; acquiring assessment coefficients for the health status of the at least one target fish species in each of the at least one environmental data dimension based on the target status monitoring data; determining the health status of the target fish species based on the assessment coefficients and obtaining an initial assessment result; obtaining a verification value for the health status of the target fish species; and obtaining a final assessment result for the target fish species based on the verification value. The purpose is to address the shortcomings of existing fish health assessment methods, such as insufficient research, cumbersome calculations, and certain limitations, and to achieve rapid assessment of fish health after exposure to environmental factors, providing valuable reference for ecological environment impact assessment and the formulation of fish protection measures.

The present invention relates to bacterial probiotics useful in aquaculture. Specifically, it discloses a selection of non-hemolytic, proteolytic, stress-tolerant bacterial strains with enhanced quorum- quenching capabilities. Moreover, the method allows detection of novel species of bacteria whose probiotic attributes could be massive for aquaculture. From the isolated bacteria, selected species were tested for their probiotic efficacy in Nile tilapia (Oreochromis niloticus), a key fish species in global finfish aquaculture. The species demonstrated significant efficacy in improving the health and growth performance of Nile tilapia juveniles. Specific growth rates and weight gain, and improved feed conversion ratios without adverse effects on fish health were observed. The gut microbiome was positively influenced by promoting beneficial bacteria while reducing harmful (opportunistic) species, leading to improved immune modulation. Survival rates were significantly boosted during a pathogenic challenge, and key immune genes were upregulated, indicating stronger local immune defenses. These findings show that the selected probiotic species offer substantial benefits for growth, feed efficiency, and disease resistance, emphasizing their potential for widespread application as probiotics in aquaculture.

The invention provides a deep and far sea net cage underwater fish disease detection system based on fusion of CLIP and YOLOv5. The deep and far sea net cage underwater fish disease detection system comprises an underwater end, water surface relay equipment and a land end, the underwater end is used for collecting fish disease images and transmitting the fish disease images to the water surface relay equipment; the water surface relay device transmits the fish disease image to a land end through a wireless communication network; and the land end performs fish disease detection on the fish disease image through an improved YOLOv5 target detection model which deeply fuses CLIP visual features, and generates a treatment suggestion according to a detection result. According to the invention, comprehensive detection and management of fish health conditions are realized by means of cooperative work of the land end, the underwater end and the water surface end.

The invention discloses a fish health state non-intrusive monitoring method and system, and relates to the technical field of image processing and pattern recognition, and the system comprises an image collection module which is used for obtaining continuous image sequence data of fishes in a culture water body, and carrying out the time marking and basic image standardization processing of the continuous image sequence data, timing image data is generated. According to the method, unified acquisition time information is introduced into a continuous image sequence, and cross-frame correlation analysis and maintenance identifier distribution are executed between adjacent time frames, so that continuous maintenance and track-level modeling of the same fish body in multiple time frames are realized; the problem of individual identity confusion caused by shielding and cross swimming in a multi-fish-body scene is effectively avoided, so that continuous and stable health state monitoring can be realized on the individual level, and continuous monitoring of the fish health state in a complex culture environment is realized on the premise of not contacting fish bodies and not introducing an intrusive sensor.

The present application belongs to the technical field of fish health breeding, and particularly relates to a method for increasing fish body probiotic genus by adding trace rare earth nanomaterials, which can significantly improve fish intestinal probiotic abundance by exposing fish to a nano cerium dioxide solution; the nano cerium dioxide solution is obtained by adding nano cerium dioxide particles to the water environment where the fish is located; the exposure time is at least 3 days; the nano cerium dioxide solution is replaced by 1 / 2 every two days; the present application can increase the abundance of probiotic genus in zebrafish intestinal tract and reduce the abundance of pathogenic bacteria genus by adding trace rare earth nanomaterials in the water environment, so as to improve the microbial community structure composition in the zebrafish intestinal tract. The method is simple, only needs to add nano cerium dioxide particles to the water environment, does not need to be mixed with feed, has simple components, low cost and convenient use, is suitable for large-scale popularization and use, and has wide market prospect.

The utility model relates to a sea lice removing barge which comprises a barge platform, a fish inlet system, a fish outlet system, a water body circulation system and a water body treatment system, wherein the fish inlet system, the fish outlet system, the water body circulation system and the water body treatment system are arranged on the barge platform. And the barge platform is also provided with a dipping tank. The fish feeding system is used for conveying fish in the culture net cage into the dipping pool for dipping, and the fish discharging system is used for conveying the fish subjected to dipping back to the culture net cage. The water circulating system comprises a circulating pump, a first filter and a heat exchanger, the circulating pump is used for pumping sea water into the dipping tank or circulating water in the dipping tank, and the first filter and the heat exchanger are respectively used for filtering and regulating temperature. The water body treatment system comprises an oxygen generator and an aeration device, and the oxygen generator is connected with the aeration device through a pipeline so as to provide oxygen into the dipping tank. By means of the barge, parasitic sea lice on fish bodies can be effectively removed, meanwhile, it is avoided that medicine is directly put into a culture net cage, pollution to the marine environment is greatly reduced, damage to the fish can be reduced, and fish health is guaranteed.