2751 results about "Aquaculture" patented technology

The invention belongs to the field of aquaculture, and particularly relates to an underwater fish multi-target identification, tracking and motion analysis method, the method is based on a multi-target attitude tracking framework based on direction perception, and the framework comprises an improved YOLOv11 model (YOT model) and a directional bounding box attitude tracking module (OPBT module). The YOT model integrates directional bounding box detection and attitude estimation, adopts a task-aligned dynamic detection head structure, and combines a multi-task loss function to realize efficient direction perception detection and key point positioning. The OPBT module is based on an unscented Kalman filter, integrates rotation IoU, angle similarity and body length similarity, and improves identity continuity and occlusion recovery capability in multi-target tracking. The framework is suitable for complex scenes such as high-density fish schools, the real-time processing performance can be kept, meanwhile, the detection and tracking precision can be remarkably improved, and stable and reliable technical support is provided for individual behavior analysis.

The invention discloses an aquaculture comprehensive guarantee method and system based on multi-modal data acquisition, and relates to the technical field of intelligent aquaculture, and the method comprises the steps: collecting aquaculture multi-modal data and an aquaculture image of an aquaculture region, carrying out the aquaculture feature capture of the aquaculture image, and outputting a visual feature group; inputting the visual feature group into a MobileNet lightweight model, and outputting a health state label and a confidence score; based on the health state label and the confidence score, outputting disease type data through a residual network structure optimized by transfer learning; constructing a graph neural network according to the disease type data, and generating a dynamic regulation and control scheme; and the control center executes the dynamic regulation and control scheme, carries out regulation and control effect detection and target comparison on the aquaculture area of the dynamic regulation and control scheme, judges whether the regulation and control effect is effective or not, and generates a feedback regulation instruction. According to the invention, through multi-modal data fusion and intelligent decision closed loop, dynamic and accurate guarantee of aquatic product health management is realized.

The invention discloses a fishery pond water temperature control optimization method based on a swarm intelligence algorithm, and belongs to the technical field of control optimization, and the method comprises the following steps: S1, constructing a fishery pond water temperature PID control system introducing an improved single-corner whale optimization algorithm module; s2, introducing an improved single-corner whale optimization algorithm, and constructing an improved single-corner whale optimization algorithm module; s3, setting and optimizing the pond water temperature PID control parameters by using an improved single-corner whale optimization algorithm to obtain optimal control parameters; and S4, setting an optimal control parameter obtained through optimization by using the improved single-corner whale optimization algorithm as a parameter of a pool water temperature PID controller, and optimizing a pool water temperature regulation control effect. According to the method, a swarm intelligent optimization algorithm, namely an improved unicorn whale optimization algorithm, is introduced, high-performance control over the pond water temperature is achieved, and reliable control technical support is provided for efficient, stable and safe operation of aquaculture.

The invention relates to a fence, in particular to an aquaculture fence. In order to solve the technical problems, the aquaculture fence which can save time and is beneficial for screening is provided. The aquaculture fence comprises an installation plate, supporting columns, a guide plate, first connecting plates, a first baffle, a second baffle and the like, wherein the supporting columns are installed on the left side and the right side of the top of the installation plate respectively, the tops of the two supporting columns are connected with the guide plate, a first strip-shaped opening with a guiding effect is formed in the top of the guide plate, a second strip-shaped opening is formed in the rear side of the guide plate and communicated with the first strip-shaped opening, and thetwo first connecting plates are connected between the two supporting columns. Through the effect of the second baffle and the second baffle, fish fry small in size can be screened and does not need tobe fished up by people or screened by people with naked eyes, and therefore screening can be convenient and time can be saved.

The invention relates to the technical field of intelligent aquaculture and automatic processing, in particular to an appearance characteristic-based hippocampus intelligent grading and pond-dividing culture method and system, and the method comprises the following steps: S1, collecting sparse visual data and multi-source physiological data of hippocampus; s2, generating a three-dimensional digital twinborn model based on the sparse visual data; calculating a growth state grading index based on the three-dimensional digital twinborn model; s3, calculating a physiological stress index based on the multi-source physiological data; s4, comparing the physiological stress index calculated in real time with a preset safety stress threshold value and a critical stress threshold value, and generating a hierarchical adaptive correction strategy; s5, according to a grading self-adaptive correction strategy, controlling a flexible mechanical arm to execute fishing and pond separation operation; according to the method, the appearance and physiological data of the hippocampus are synchronously collected in a non-contact mode, the technical problems that the real condition of the hippocampus cannot be evaluated and damage is possibly caused due to target stress response caused by traditional physical intervention are solved, and the authenticity and effectiveness of original data are guaranteed.

The invention discloses a broad-spectrum lytic bacteriophage for preventing and controlling various vibrio infections in an aquaculture environment. The invention relates to V.alginolyticus phage vBValM-R37J, which is preserved in Guangdong Microbial Culture Collection Center (GDMCC) on August 6, 2025, the address is No.100 Courtyard, Xianlie Middle Road, Xianlie District, Guangzhou City, Guangdong Province, the postcode is 510070, and the preservation number is GDMCC NO.66813-B1. The invention further discloses a method for preparing the V.alginolyticus phage vBValM-R37J strain. The bacteriophage R37J is a candidate therapeutic bacteriophage with wide host spectrum, high splitting efficiency, gene safety and environmental stability, and has the potential of being popularized and applied in aquaculture as a novel biological tool for accurately preventing and controlling various vibrio infections. A new biological resource is provided for accurate prevention and control of aquatic pathogenic bacteria, and a theoretical basis and a technical support are provided for popularization and application of a phage therapy in an actual culture system.

According to the plasma aquaculture water purification method and system, a cold plasma directional screening technology is used as a core to construct a cold plasma water treatment module, a nanosecond pulse plasma generator is used for exciting a gas medium to form cold plasma, active particles are screened in situ through a directional screening assembly, and the cold plasma water treatment module is used for purifying aquaculture water. The method comprises the following steps: introducing ammonia nitrogen into a water body, guiding < 1 > O2 to be quickly injected into the water body, instantaneously completing a primary purification reaction in a gas-liquid intersection chamber, further, in order to fully utilize residual active particles, directionally converting a reaction precursor O3 of < 1 > O2 into < 1 > O2 through a catalytic dissociation module, and completing a secondary purification reaction between the < 1 > O2 and the ammonia nitrogen. Ammonia nitrogen is directionally converted into nitrogen by utilizing a 1O2-dominated non-free radical reaction path, the content of ammonia nitrogen and total inorganic nitrogen in a water body is reduced, and after purification is completed, oxidizing components in the water body and tail gas are respectively removed by adopting a by-product removal assembly, so that the use safety is guaranteed.

The invention discloses a nitrifying bacterium agent suitable for aquarium, fishpond and other aquatic industries, the strain of the nitrifying bacterium agent is Glutamicacter nicotianae TJ-X, the nitrifying bacterium agent is preserved in Guangdong Microbial Culture Collection Center on February 12, 2025, and the preservation number is GDMCC NO.65877. The invention further discloses a preparation method of the nitrifying bacterium agent. The nitrifying bacteria TJ-X strain suitable for the aquarium industry can perform heterotrophic nitrification and aerobic denitrification under the condition that the salt content is 5wt%, under the condition of laboratory pure culture, within 8 hours, the removal rate of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen is 99% or above, the COD degradation rate is 81%, the nitrifying bacteria TJ-X strain is suitable for the environment where organic matter, ammonia nitrogen, nitrite and nitrate coexist, and the nitrifying bacteria TJ-X strain can be applied to the aquarium industry. The microbial agent has the functions of degrading organic matters such as excrement of ornamental fish and fish food, converting organic nitrogen into inorganic nitrogen, and simultaneously degrading inorganic nitrogen such as ammonia nitrogen, nitrite nitrogen and nitrate nitrogen into nitrogen. And the strain is high in biological safety, high in environmental adaptability and high in growth density, can be applied to water industries with high organic matter content and inorganic nitrogen, such as the aquarium industry and aquaculture, and has a wide application prospect.

The invention provides an AI-based trachinotus ovatus juvenile fish culture water parasite prediction and prevention method and system, and the method comprises the steps: collecting multi-source data from a culture water body through a sensor array, including a nucleic acid signal, a fish school behavior track and an environment parameter sequence, and obtaining an original data set; unifying the data format and the acquisition frequency according to the original data set by adopting a time sequence alignment method, and obtaining an aligned feature flow; aiming at the aligned feature flow, applying a convolutional neural network to extract a space-time pattern of a nucleic acid signal and an abnormal index of a fish school behavior, and determining an extracted feature set; if the abnormal index in the extracted feature set exceeds a preset threshold value, a causal association between environmental parameters and parasitic risks is classified through a support vector machine, and a preliminary risk level is judged; simulating a water body change scene according to the comprehensive causal model to obtain a predicted trajectory of parasite propagation; and determining a quantitative score of the parasite risk and generating a prevention and control instruction sequence by comparing the predicted trajectory with the real-time monitoring data.

The invention discloses a lytic bacteriophage vBVpaSR40Z and application of the lytic bacteriophage vBVpaSR40Z to prevention and control of vibrio parahaemolyticus in an aquaculture environment. The preservation number of the vibrio parahaemolyticus phage vBVpaSR40Z is as follows: GDMCC No: 67440-B1, and the vibrio parahaemolyticus phage vBVpaSR40Z is The R40Z can be used for cracking multiple strains of vibrio parahaemolyticus and vibrio alginolyticus, has the capability of adapting to an aquaculture environment, and keeps relatively high activity within the range of 4-25 DEG C and pH of 4-10; no virulence gene or drug-resistant gene is detected through genome analysis, and phylogenetic and whole genome comparison shows that the similarity between R40Z and a related phage is lower than a species level threshold value, so that R40Z is a new phage species; the R40Z can obviously inhibit the growth of a host under various infection complex numbers. The R40Z has the advantages of strong splitting capacity, good environmental stability, high genome safety, unique evolutionary characteristics and the like, and is an aquatic vibriosis biological prevention and control bacteriophage with application potential.

The invention provides a ventilation system optimization method and system based on the air quality of an industrial aquaculture workshop, and relates to the technical field of environment regulation and ventilation system.The method includes the steps that aquaculture workshop gas is analyzed through an infrared spectrometer, the spectral intensity of the characteristic absorption wavelength of a target pollutant is obtained, and then the accurate concentration of the pollutant is analyzed according to the spectral intensity; and calculating a ventilation parameter reference value and controlling a fan to adjust the air supply amount. An air treatment device in the ventilation system can determine the optimal working time according to the air supply amount so as to decompose pollutants and continuously monitor the concentration of the pollutants at the inlet and the outlet of the device. Subsequently, the air quality deterioration index is predicted by analyzing the concentration change trend, and the current overall purification efficiency is calculated. When the purification efficiency deviates from the range or the deterioration index exceeds the threshold value, the running state of the device is dynamically adjusted and fed back to the system, self-adaptive optimization of the ventilation system of the industrial aquaculture workshop can be achieved, and it is guaranteed that the workshop air quality is stable and the purification efficiency reaches the standard.

The invention discloses a lytic bacteriophage for preventing and controlling vibrio in an aquaculture environment. The bacteriophage vBValMR42H belongs to a muscle tail bacteriophage and is insensitive to chloroform, the capsid of the bacteriophage vBValMR42H is free of lipid substances, and the preservation number is GDMCC No: 67434-B1. The bacteriophage has the characteristics of high adsorption speed, short incubation period and high cracking amount, keeps high activity in a wide range of temperature (4-55 DEG C) and pH (2-11), and has strong environmental adaptability. Genome analysis shows that the bacteriophage does not contain virulence factors, antibiotic resistance genes and lyogen related genes, and is high in biological safety. Physical development analysis shows that the method can be divided into a new genus. The bacteriophage R42H has the advantages of high splitting efficiency, good environmental stability, strong specificity, gene safety and the like, and can be used as an ideal biological prevention and control agent for preventing and controlling vibrio alginolyticus diseases in aquaculture.

The utility model aims to provide the nitrogen and phosphorus removal filter with the ozone micro-ecological environment, which is used for removing nitrogen and phosphorus through microorganisms and treating sewage through ultraviolet sterilization. A water inlet is formed in the barrel body, and a water outlet is formed in the barrel body. The mechanical filtering module is arranged on the barrel body, is connected with the water inlet and is used for filtering and primarily treating the sewage; the ozone microorganism module is arranged between the mechanical filtering module and the barrel body and is communicated with the mechanical filtering module, an anaerobic zone, a facultative oxygen zone and an aerobic zone are formed in the ozone microorganism module, and nitrification and denitrification reactions are fully carried out for recirculating aquaculture and nitrogen and phosphorus removal treatment of aquaculture tail water; and the ultraviolet module is arranged on the outer side of the barrel body and is used for sterilizing and disinfecting the culture water or the culture tail water. The utility model is applied to the technical field of nitrogen and phosphorus removal filters.

The invention relates to the technical field of aquaculture, in particular to nile tilapia ferritin, a preparation method and application thereof and a bacteriostatic agent. The amino acid sequence of the nile tilapia ferritin is as shown in SEQ ID No.1, and the nile tilapia ferritin inhibits streptococcus agalactiae and / or aeromonas hydrophila. The invention provides Nile tilapia ferritin, and in-vitro experiments prove that the recombinant protein can effectively inhibit proliferation of pathogenic bacteria. A further in-vivo experiment research result shows that the ferritin heavy chain (Nile tilapia ferritin) has important functions of inhibiting pathogenic bacterium proliferation and improving the survival rate of an organism, and plays an important role in immune protection of the organism.

The invention belongs to the technical field of microorganisms, and discloses a high-temperature-resistant vibrio alginolyticus bacteriophage and a composition and application thereof, the high-temperature-resistant vibrio alginolyticus bacteriophage is named as vibrio alginolyticus bacteriophage PJ644 and is preserved in China General Microbiological Culture Collection Center on August 16, 2024, the preservation address is No.3, No.1 Yard, Beichen West Road, Chaoyang District, Beijing, and the preservation number is CGMCC NO.9624. The preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No. The bacteriophage has excellent high temperature resistance, and the bacteriophage and the bacteriophage composition not only can effectively prevent and treat various vibrio infections, but also can be used as active ingredients for preparing bacteriophage pharmaceutical preparations, aquatic feed additives, water disinfectants and aquatic product preservatives, and are used for effectively preventing and treating diseases caused by vibrio infections in aquaculture farms. The use is safe, and the problems of antibiotic residues and pathogen drug resistance caused by use of antibiotics are effectively avoided.

The invention provides a compound disinfectant for preventing and treating aquaculture virus diseases and a preparation method thereof. The composite disinfectant is prepared by introducing polyhexamethylene guanidine or a salt thereof, a quaternary ammonium salt compound, metal nanoparticles and an auxiliary agent into a water system as main raw materials, and is prepared by the following steps: adding a quaternary ammonium salt compound solution and a penetrating agent into a polyhexamethylene guanidine or salt solution thereof, and uniformly stirring and mixing to obtain a mixed solution A; slowly dropwise adding the metal nanoparticle dispersion liquid into the mixed solution A, starting ultrasonic treatment at the same time, and uniformly stirring and mixing to obtain a mixed solution B; dropwise adding the pH regulator solution into the mixed solution B, regulating the pH, adding the preservative solution, supplementing water, uniformly mixing, standing and curing to obtain the composite disinfectant. The compound disinfectant aims at achieving synergistic interaction, finally achieves the comprehensive prevention and treatment effects of being efficient, low in toxicity, broad in spectrum and not prone to inducing drug resistance, and particularly achieves efficient and safe prevention and control on fish, shrimp and crab virus diseases so as to meet the urgent requirement for healthy aquaculture.

The invention relates to the technical field of aquaculture intelligent feeding, and discloses a fishing and light complementation unmanned aerial vehicle cooperative intelligent feeding system, which is characterized in that a pond is dynamically divided into feeding sub-regions, a feeding model is arranged, and the feeding model is used for feeding the fish and light complementation unmanned aerial vehicle cooperative intelligent feeding system based on the characteristics of each sub-region, the environment of a breeding region and the characteristics of breeding objects. And outputting a feeding parameter corresponding to each sub-region, thereby planning an optimal feeding path according to the feeding parameters and the current real-time state of the unmanned aerial vehicle group, realizing an intelligent system of multi-unmanned aerial vehicle intelligent scheduling, real-time linkage with breeding environment data, and automatic optimization of a feeding strategy, improving feeding efficiency and precision, reducing labor cost, and improving feeding efficiency. The breeding requirements of a fishing-light complementary scene are met.

The invention discloses a multi-dimensional data source fish culture monitoring method, medium and equipment, and the method comprises the steps: collecting original video information and original water quality information, and carrying out image enhancement processing and multi-scale feature fusion processing based on a space-time attention mechanism through employing a self-adaptive color cast correction algorithm, obtaining first video information and first water quality information; fish movement track features and group three-dimensional distribution features are extracted from video information, and a dynamic incidence matrix is constructed through a graph neural network in combination with water quality information. Fine-grained behavior classification is realized by using an improved space-time Transform model, and deep correlation between behaviors and water quality parameters is established through a cross-modal attention mechanism. And constructing a dynamic evaluation model based on the associated information to realize multi-level early warning, performing distributed analysis by adopting a federal learning framework, and generating a comprehensive monitoring report. According to the invention, multi-dimensional accurate monitoring and intelligent early warning in the breeding process are realized, and the scientificity and timeliness of breeding management are significantly improved.

The invention relates to bacillus for producing lipopeptide, bacteriostatic lipopeptide of the bacillus and application of the bacillus to aquatic products, and belongs to the technical field of microorganisms. The bacillus velezensis is a bacillus velezensis strain FJAT-57093, is preserved in the China General Microbiological Culture Collection Center on April 1, 2025, and has a preservation number of CGMCC No. 34063, and the bacillus velezensis strain FJAT-57093 is a bacillus velezensis strain FJAT-57093, is preserved in the China General Microbiological Culture Collection Center on April 1, 2025, and has a preservation number of CGMCC No. 34063. The bacteriostatic lipopeptide is prepared from three types of lipopeptides, namely, iturin, fengycin and surfactin. The invention further discloses a preparation method of the bacteriostatic lipopeptide. The bacillus and the bacteriostatic lipopeptide have a broad-spectrum bacteriostatic effect on aquatic pathogenic bacteria, can be used for aquaculture, and have a wide application prospect.

The invention relates to the field of animal husbandry industry environment regulation and control system optimization, in particular to a lightweight digital twinborn breeding environment monitoring method and system, and the method comprises the following steps: S1, carrying out the construction of a computational fluid dynamics (CFD) model for a breeding farm environment; s2, environment data are collected; s3, comparing model prediction with real-time data, and monitoring a breeding environment according to a comparison result; and S4, data presentation. According to the invention, through cooperative work of the flow field modeling unit, the environment data acquisition unit, the model prediction and data calibration unit and the visualization unit, light-weight, full-range and high-precision breeding environment monitoring and regulation are realized.

The present application relates to the technical field of aquaculture monitoring and regulation, and discloses a water quality multi-parameter real-time online monitoring system. The system comprises a multi-source data acquisition module for obtaining and denoising water quality data; a time sequence feature analysis module for generating multi-dimensional feature clusters containing the correlation of various parameters; an anomaly identification module for dynamic deviation compensation, monitoring sub-domain demarcation and key parameter extraction; a collaborative regulation module for constructing a regulation decision unit to generate a multi-parameter collaborative regulation strategy; and an iterative correction module for correcting the regulation strategy to output real-time adjustment instructions. An early warning module is also provided for biological safety assessment and early warning and activation of the emergency intervention mechanism. The system can accurately monitor the multi-parameters of the water quality of aquaculture in real time, realize intelligent regulation and biological safety early warning, effectively improve the yield and quality of aquaculture, reduce the risk of aquaculture, and promote the sustainable development of the industry.

The invention relates to bacillus velezensis Ab1 with a water mildew inhibiting effect and application of the bacillus velezensis Ab1, the classification name of the bacillus velezensis Ab1 is bacillus velezensis Ab1, the preservation number of the bacillus velezensis Ab1 is CCTCCNO: M 20251457, and the preservation date of the bacillus velezensis Ab1 is June 23, 2025. The bacterium can effectively inhibit the propagation rate of water mildew in a water body, improve and purify the water body environment and improve the culture health degree of aquatic animals, and has a wide application prospect in aquaculture.

The invention relates to the technical field of aquaculture, in particular to a sewage discharging device for aquaculture and a water treatment system.The sewage discharging device for aquaculture comprises a culture pond body, a sludge discharging hopper, a sludge pump and a sewage storage pond, and a slope surface structure is arranged at the pond bottom of the culture pond body; the sludge discharging hopper is arranged at the bottom of the culture pond body, communicates with the output end of the bottom of the slope surface structure and is used for collecting solid pollutants sliding along the slope surface structure; the input end of the sludge pump is communicated with the sludge discharge hopper; the sewage storage tank is communicated with the output end of the sludge pump. The pollution discharge device for aquaculture provided by the invention can realize automatic convergence and centralized collection of solid pollutants, so that the collection efficiency is improved, and the cost is reduced.

The invention discloses a phycomycete symbiotic system and application of the phycomycete symbiotic system in treatment of aquaculture tail water, and belongs to the technical field of tail water treatment. The phycomycete symbiotic system comprises chlorella, scenedesmus and activated sludge, and the initial inoculation dry weight ratio of the chlorella to the scenedesmus to the activated sludge is 1: 1: 6. And exogenously adding octanoyl-L-homoserine lactone or tetradecanoyl-L-homoserine lactone into the phycomycetes symbiotic system, so as to construct the phycomycetes symbiotic system with enhanced functions. On the basis of a mixed algae-bacteria symbiotic system with an optimized ratio, directional enhancement of functions is realized by virtue of quorum sensing signal molecules, the stability and resistance gene interception capability of the quorum sensing signal molecules under the stress of antibiotics are verified, and finally efficient purification of the aquaculture tail water is realized. According to the invention, the blank of the prior art in the aspects of advanced regulation and control of a phycomycete synergistic mechanism and synergistic treatment of emerging pollutants is filled up.

The invention discloses a tail water treatment method and system based on industrial aquaculture of South America white shrimps, and relates to the technical field of aquaculture tail water treatment.The method comprises the steps that a tail water purification integrated device containing a microfilter, a protein separator and other components is obtained, and pretreatment, biological treatment and deep treatment nodes of the tail water treatment process are extracted; corresponding nodes and device components are correlated and mapped to obtain three corresponding processing channels, then tail water component data are collected, control parameters are analyzed based on the three processing channels, and tail water closed-loop processing is carried out. The technical problems that an existing treatment mode for the industrial aquaculture tail water of the South America white shrimps is difficult to achieve standard treatment, high in treatment cost and poor in synergism of all links are solved, and the technical effects that the industrial aquaculture tail water of the South America white shrimps is efficiently treated, the treatment cost is reduced, operation is more convenient and faster, and the synergism of all links is better are achieved.

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

The invention relates to the field of microbiological detection, in particular to a method for detecting vibrio parahaemolyticus by combining RPA-CRISPR / Cas12a with a microfluidic biosensor. According to the method, the preloaded freeze-drying reagent is combined with centrifugally driven liquid operation, so that rapid and closed system detection is realized, and the pollution risk is effectively reduced. According to the invention, quantitative detection of vibrio parahaemolyticus is realized in a centrifugal micro-fluidic chip by systematically optimizing an RPA amplification primer and crRNA. The detection method shows high specificity and high sensitivity to non-target vibrio and other food-borne bacteria, and the lower detection limit is 6.08 copies / mu L. In a word, the invention provides a rapid, portable and sensitive platform, can realize quantitative detection in a wide linear range, provides a practical tool for real-time monitoring of pathogens, and has application prospects in monitoring of aquaculture biosafety and marine product safety.

The invention belongs to the field of computer vision, and provides a tilapia behavior image detection method, system and equipment, and the method comprises the steps: enabling the fish mouth feature vectors of a plurality of samples to form a feature matrix, generating a fish mouth feature alignment index matrix, and extracting a target alignment vector and a reference alignment vector; and respectively calculating the inner product of the alignment index vector of each sample, the target alignment vector and the reference alignment vector to obtain a target alignment score and a reference alignment score, taking the distance between the target alignment score and the reference alignment score as a behavior offset index, and mapping the behavior offset index as the probability of the parent hatch behavior. The method has natural robustness, can restrain the influence of accidental noise, can effectively recognize the female incubation behavior in the underwater complex environment, and has higher real-time response capability in actual aquaculture monitoring.

The invention relates to the technical field of intelligent aquaculture or precise aquaculture, in particular to a hippocampus health state intelligent identification method and a hierarchical breeding control system, and the method comprises the steps: collecting time sequence behavior data and breeding environment state data of hippocampus individuals; quantizing the time sequence behavior data to generate behavior characteristics; quantifying the breeding environment state data to generate environment characteristics; generating a dynamic health index in combination with the behavior characteristics and the environment characteristics; generating a pathological risk index based on the dynamic health index; combining the dynamic health index and the pathological risk index to generate a comprehensive seed reservation value index; according to the comprehensive seed reservation value index and a preset grading threshold value, the grade of the hippocampus individuals is determined; generating a sorting control instruction according to the grade; according to the method, intelligent decision making from pure preferential selection to preferential selection and risk avoiding is realized, and the screening efficiency of excellent germplasm is remarkably improved.

The application provides a kind of aquaculture timed feed device, relating to feeding device technical field, including: basic component;The basic component includes mounting plate and buoyancy piece, lifting piece is slidably installed on support frame, the compression ratio of spring between lifting piece and support plate is changed by adjusting lifting piece, and then the trigger value of the weight of support plate can be adjusted, so that the interval of feeding time can be adjusted in time according to the growth of aquatic organisms, by setting plug-in cylinder and rotating disc on storage tank, rotating the rotating disc, the more feed can flow out from the storage tank, and the use of lifting piece can adjust the feeding amount of each feed according to the growth of aquatic organisms, solve the problem that the practicality of the timed feed device for aquaculture is poor, it is inconvenient to adjust the interval and feeding amount of each feeding according to the growth of aquatic organisms, and the problem of not feeding in time or feeding less easily occurs.