71 results about "Fish growth" patented technology

The embodiment of the invention discloses an intelligent collection system and method based on automatic measurement of fish growth data, and the system comprises a data collection module which is used for collecting fish image data, fish sound data and breeding environment data; the data transmission module is used for stably transmitting the data acquired by the sensing layer module to a data processing center through a wireless transmission technology; the data processing module is used for processing and analyzing the transmitted data and realizing fish target positioning segmentation, feature point detection, growth parameter calculation, weight estimation and growth cycle prediction; and the data management module is used for performing associative storage and visual display on the processing result and automatically generating an analysis report. According to the invention, the automation of fish growth data acquisition and analysis is realized, and the precision is greatly improved.

The invention discloses an intensive ecological mandarin fish breeding system in a photovoltaic composite environment, which comprises a photovoltaic breeding area, an intelligent management and control center and an energy collaboration module, and is characterized in that a photovoltaic power station array is arranged in a space above the photovoltaic breeding area; the photovoltaic culture area is provided with at least one industrial culture group, each industrial culture group comprises a plurality of metal culture ponds, and each culture pond is of a round pond structure with an inverted conical bottom and a central sewage collection opening; the plurality of metal culture ponds are communicated through pipelines or diversion structures, and the intelligent management and control center comprises a data acquisition layer, a platform decision-making layer and an application control layer; the data acquisition layer is used for acquiring culture environment data in real time and comprises a water quality monitoring sub-module, a meteorological monitoring sub-module and a video monitoring sub-module; a mandarin fish growth regulation and control model is arranged in the platform decision-making layer, and the model is configured to be capable of processing data uploaded by the data acquisition layer and at least executing one of the following decisions.

The invention relates to the technical field of aquaculture feed, and provides a compound feed additive for improving fish sugar utilization rate and promoting growth, the compound feed additive comprises the following raw materials by weight: 0.1-0.14 part of chromium picolinate, 1.5-2.5 parts of vitamin C, 20-40 parts of amylase, 20-40 parts of protease, 10-20 parts of dimethyl-beta-propiothetin, 2-4 parts of bile acid, and 18-22 parts of a carrier. The compound feed additive provided by the invention has the beneficial effects that the blood sugar is regulated, and the sugar metabolism capability of fish bodies is improved; due to the use of the compound feed additive, energy supply caused by protein decomposition is reduced, so that the growth performance of the fishes and the utilization rate of the feed are improved; the low-temperature stress resistance of the fishes is improved, and the breeding negative influence caused by temperature change is reduced; the protein loss is reduced; the feed cost is reduced; and the culture benefit is improved.

The invention provides an experimental analysis method for water flow speed regulation and control fish growth performance influence, which comprises the following steps: S1, experimental preparation: setting N experimental groups, placing M fishes in an experimental container in each experimental group, and numbering the fishes in sequence ID; s2, experiment management and operation: determining experiment management data; measuring the initial weight of each fish, and performing an experiment based on the experiment management data to obtain growth state parameters of each fish at each observation time point; s3, analyzing the influence of the water flow velocity on the growth performance of the fish by adopting a generalized linear hybrid model, wherein the fixed effect comprises the water flow velocity, time t and water flow velocity * time t; the random effect comprises a fish ID and an experimental group number; the response variables comprise multiple growth index parameters; establishing a function relation model between each response variable and the fixed effect and the random effect; calculating to obtain the coefficient of each fixed effect in the function relation model of each response variable; and S4, result analysis: analyzing the influence of the water flow velocity on each response variable.

The application discloses a fish resource monitoring method and system based on sonar images and electronic equipment, and the fish resource monitoring method comprises the following steps: acquiring sonar images of a fish pond; detecting fish targets in more than two frames of the sonar images and tracking the fish targets; and determining the number of the fish targets in the fish pond according to the tracking result. Through the above steps, the fish resource monitoring method can accurately monitor the number of the fish targets in the fish pond, and does not cause adverse effects on the growth environment of the fish during the monitoring process.

The invention discloses a fish growth state monitoring method and system based on underwater image recognition, and relates to the technical field of fish growth state monitoring, and the method comprises the following steps: setting a temperature sensing region around the optical axis direction of a camera device, and carrying out the real-time collection of the temperature change of a local water body in an underwater environment, acquiring temperature gradient data corresponding to the light propagation path, and generating temperature layered mapping according to the temperature gradient data; and on the basis of temperature hierarchical mapping, constructing a refraction track sequence on the light propagation path, and adjusting the refraction angle weight according to the temperature difference of each hierarchical region to form the light propagation path. According to the invention, through combination of temperature sensing and light field compensation, continuous tracking and space geometry reconstruction of a light propagation path are realized, and the image contour is kept clear and stable. Based on the dynamic smoothing processing of a time sequence stable chain and a form balance area, the fish body form is kept uniform in time and space, false growth transition is avoided, and the stability and accuracy of a monitoring result are improved.

The invention provides a peptide liquid enrichment and hydroponic irrigation intelligent fish and vegetable peptide integration method, which comprises the following steps: S1, obtaining a preset production strategy selected by a user through an input device, and obtaining an operation mode selected by the user; s2, according to the operation mode, adopting a multi-target collaborative optimization algorithm to generate operation instructions of a culture unit, a water culture unit and a peptide extraction unit; s3, sending the operation instruction to the culture unit, the water culture unit and the peptide extraction unit through a standardized interface, and obtaining the operation state of each unit; s4, adjusting a water flow parameter of the culture unit according to the running state, and generating a first water body state; s5, extracting bioactive peptides from the first water body state to generate a second water body state; s6, adjusting nutrient solution supply parameters according to the second water body state, and generating a plant growth state; s7, the treated third water body state flows back to the culture unit, culture parameters are adjusted, and the collaborative result of fish growth and water quality optimization is achieved.

The utility model belongs to the technical field of fish culture equipment, and particularly relates to a water environment simulation device based on fish AI (artificial intelligence) identification, which comprises a cylinder body, control tables, a lamp belt, a food leakage track, a food leakage box, a first motor and a screw rod in driving connection with the first motor, the lamp strip and the food leaking track are arranged at the top of the tank body, the two ends of the lamp strip and the two ends of the food leaking track are connected to the control tables on the two sides, the food leaking box is arranged on the food leaking track, the end of the lead screw penetrates through the food leaking box, when the first motor is started, the food leaking box is driven by the lead screw to walk in the food leaking track in a reciprocating mode, and a control panel is arranged on the control tables. The control module is used for controlling all parts on the console. According to the intelligent fish culture system, the fish growth environment is optimized, the culture efficiency is improved, intelligent simulation and accurate regulation and control of the fish culture environment are achieved, and the culture efficiency and the fish life quality are remarkably improved.

The application discloses a kind of fermented feed fermented by three strains of probiotics of Bacillus YA ( Bacillus sp ), yeast Y ( Saccharomyces cerevisiae ) and capsular red bacteria R3 ( Rhodobacter capsulatus ), and preparation method and application in aquaculture thereof, and viable count is not less than 1×10 7 CFU / g.The fermented feed is replaced ordinary feed according to certain proportion, and feeding result shows that aquaculture water quality is significantly improved after adding fermented feed, and fish growth performance, digestive enzyme activity, immunity, and muscle quality are also obviously improved.Using the feed in suitable range can shorten growth cycle, reduce cost, improve aquaculture environment, reduce antibiotic use, and improve muscle quality of farmed animals, with good economic and ecological benefits, simple fermentation process, low cost, and suitable for industrial large-scale production.

The utility model discloses a timed fish feed feeding device, and relates to the technical field of feeding devices. A storage hopper is erected at the upper end of the interior of the box body, a feeding hopper is erected at the bottom end of the interior of the box body, a discharging pipe matched with the discharging end of the storage hopper is arranged at the top of the feeding hopper, and a certain gap exists between the feeding end of the discharging pipe and the discharging end of the storage hopper. A plugging fluted disc is movably arranged in a gap between the storage hopper and the discharge pipe, a worker can drive the push-pull rod and the rack to move according to the growth condition of fishes and the change of seasonal temperature, and the rack synchronously drives the plugging fluted disc to rotate, so that the discharge holes with proper calibers are aligned with the storage hopper and the discharge pipe to correspond to different feeding amounts; by means of the original concentric multi-aperture fluted disc structure, small, medium and large feeding amounts can be achieved only by pushing the push-pull rod to switch gears, the box body does not need to be opened in the adjusting process, the feed feeding amount can be further refined by matching with the closing degree of the magnetic control valve, and the error rate is smaller than 3%.

The application discloses a kind of fermented Chinese herbal medicine feed suitable for rice-fish integrated breeding mode and preparation method thereof, and the specific component and weight fraction of feed are as follows: imported fish meal 5 parts, soybean meal 22 parts, chicken meal 8 parts, peanut kernel cake 10 parts, rapeseed meal 10 parts, wheat flour 31.95 parts, soybean protein concentrate 5 parts, soybean oil 4 parts, vitamin C polyphosphate 0.1 part, choline chloride (50%) 0.2 part, premix (compound vitamins and compound minerals) 1 part, calcium dihydrogen phosphate 2 parts, lysine hydrochloride (78%) 0.35 part, methionine (99%) 0.2 part, threonine (98%) 0.2 part, compound probiotics 0.01 part, compound Chinese herbal medicine 0.2-2 parts.The base feed is mixed with strain activation liquid uniformly, then bagged, fermented moisture is regulated to 35%, and placed at room temperature for 5-7 days at 25 DEG C to obtain fermented Chinese herbal medicine feed suitable for rice-fish integrated breeding mode.The application adds compound probiotics and compound Chinese herbal medicine, which has the advantages of promoting fish growth, improving feed utilization, improving muscle quality and the like.

The invention discloses Rhodosporidium toruloides for aquatic feed and application of the Rhodosporidium toruloides to aquaculture, relates to the technical field of microorganisms, and particularly relates to Rhodosporidium toruloides Ho7-3 which can be applied to aquaculture, has the effects of improving fish intestinal digestive enzyme activity, immune response and an anti-oxidation defense system, and can be used for improving fish intestinal digestive enzyme activity, immune response and an anti-oxidation defense system. The growth performance of cultured fishes can be obviously improved.

This invention discloses a method for constructing a fast-growing, sterile zebrafish model, belonging to the field of fish animal model preparation technology. This invention is the first to discover the role of the CK gene in regulating fish growth rate and fertility: fish with simultaneous knockout of ck1 and ck2 genes exhibit rapid growth and gonadal abortion. Using the method provided by this invention, a fast-growing, sterile zebrafish model was successfully constructed. These zebrafish exhibited gonadal dysplasia and sterility, but also rapid growth. Compared to wild-type zebrafish, the 4-month-old double mutant zebrafish showed significantly increased body length and weight. The disclosed gene function and zebrafish model construction method can be used for breeding fast-growing, sterile fish varieties and studying related mechanisms, which is of great significance for improving the economic benefits of aquaculture and protecting ecological security.

The invention belongs to the technical field of aquaculture biological growth, and particularly relates to a gene for regulating fish growth, application and a regulating method. The gene for regulating the growth of the grass carp is a myogenesis inhibition gene mdfi of a myogenesis regulatory factor (MRFs) family; the base sequence of the gene is shown in SEQ ID NO: 1. The invention discloses a method for promoting proliferation of fish muscle cells. The expression level or protein activity of mdfi genes in grass carp muscle cells is inhibited. The inhibiting effect of the mdfi gene in the muscle growth of the grass carp is systematically clarified for the first time, the individual growth of the grass carp can be effectively promoted by establishing an mdfi gene knockout technology, and a new technical means and a new gene target are provided for the genetic breeding of the grass carp.

The invention belongs to the technical field of exploration of different-growth-rate fish difference systems, and particularly discloses a method for achieving efficient nitrogen utilization and rapid growth of fishes. The heterotrophic nitrification-aerobic denitrification bacillus is screened out from intestinal flora of perciformes fish, is Exiguobacterium sp.strain WY (Y) 3 and is prepared into bait for feeding, efficient nitrogen utilization and rapid growth of fishes (including perciformes fish and cypriniformes fish) can be rapidly achieved, and the problem of different growth speeds in the fish culture process is solved; the Exiguobacterium sp. Is fish-derived probiotics, so that the intestinal flora of fish can be changed more easily, and the growth of fish can be promoted; and the method for preparing the feed from the Exiguobacterium sp. To realize efficient nitrogen utilization and rapid growth of the fish is low in cost and simple and convenient to operate.

The utility model provides a modularization container type intelligent fish pond system, include: a plurality of containers, annular arrangement and interconnect to enclose a central space, the central space forms a fish pond structure, the bottom of fish pond structure is equipped with a waterproof layer, a plurality of passageways are formed in each container respectively, a control system is arranged in at least one container of container, and a modularization functional device is arranged in container and is electrically connected control system, the modularization functional device can include water quality management module, fish population monitoring module, temperature control module, fish receiving module etc, each module can be configured according to the breeding demand, effectively promotes the breeding efficiency, reduces the manpower demand, and can automatically adjust the feeding amount and environmental parameter according to the fish growth condition, greatly improves the health and yield of fish.

The application discloses a kind of wireless multi-sense data monitoring terminal systems for wisdom rice fish, it is related to data monitoring technical field, including data setting module, set initial monitoring frequency;Environment monitoring module, real-time monitoring rice fish growth condition, soil data and aquatic animal state, timely capture rice fish growth environment change;Data processing module, according to the feature data related to rice fish growth environment change and breeding object anomaly of environment monitoring module extraction, quantize rice fish growth environment change degree;Early warning module, predict growth environment change by machine learning model, when predicting rice fish growth environment change appears anomaly, automatically send early warning signal;Dynamic adjustment module, the monitoring frequency of dynamic adjustment monitoring equipment, to cope with rice fish growth environment change.The application can significantly improve the robustness, timeliness and decision accuracy of the system by adjusting the monitoring frequency to dynamically adapt to the rate of environmental change.

Provided are an intelligent feeding method and system for fish in a recirculating aquaculture system based on repeated games. The method includes: constructing repeated games, determining Nash equilibrium strategies based on the repeated games, determining a payoff relationship between different strategies in a research phase, and quantifying a hunger level and determining a feeding amount based on the payoff relationship as well as an intrinsic connection between hunger levels and energy intake and expenditure in fish group feeding behavior. This application uses a simple and effective repeated game method to determine the feeding amount that promotes cooperative swimming feeding behavior in the fish group, effectively reducing feed waste caused by the existing method of determining the feeding amount based on total fish biomass and farming experience. This application ensures sufficient energy supply for fish growth while promoting cooperative swimming feeding behavior among individual fish in the group.

The invention discloses application of a bone morphogenetic protein 4 (BMP4) agonist in improving hypoxia tolerance of fishes, and belongs to the technical field of aquaculture. Aiming at the problems of fish growth resistance and high death rate caused by hypoxia stress in aquaculture, the invention provides a technical scheme for enhancing hypoxia tolerance by activating the pathway in the fish body by exogenous application of a BMP4 agonist (compound SB4). Experiments show that after SB4 treatment, the expression of the BMP4 gene in the hindgut of the loach is remarkably up-regulated, and the survival time of the loach under the air exposure condition is remarkably prolonged. The method is safe, controllable, remarkable in effect and easy to popularize in culture production, and a brand new solution is provided for solving the problem of hypoxia in intensive culture.

The utility model provides a juvenile fish cultivation device and a three-dimensional juvenile fish cultivation system, and solves the problems that in an existing juvenile fish cultivation system, mechanical groove dividing operation influences juvenile fish growth, and a fixed cultivation groove is difficult to meet the juvenile fish growth requirement. According to the technical scheme, the device comprises a first breeding tank, a second breeding tank, a liquid level adjusting assembly and a sewage draining and filtering assembly; a water outlet and an overflow port are formed in the bottom of the second breeding tank, the first breeding tank is detachably mounted in the second breeding tank, and the bottom wall of the first breeding tank is of a permeable structure; the liquid level adjusting assembly comprises an overflow pipe, and the overflow pipe is arranged in an overflow opening in the bottom of the second breeding tank. The sewage draining and filtering assembly comprises a filter screen and a second connector, the second connector is connected with a water outlet in the bottom of the second breeding tank, and the filter screen is arranged in the second connector.

The present invention relates to the fields of biotechnology and aquaculture, and in particular to a method for increasing the growth rate of fishes. The method comprises the following steps: fusing a coding region of a gh1 gene with a strong promoter of another endogenous highly-expressed gene in vivo, without introducing an exogenous gene, to generate a gh1 highly-expressed gene, wherein the strong promoter is a β-actin gene promoter. The present invention can create fast-growing fish species.

The utility model relates to the technical field of juvenile fish culture, in particular to a juvenile fish classification screening and feeding integrated device which comprises a screening box and a screening unit, and the screening unit comprises a moving frame, a supporting frame, a bottom plate frame, an air cylinder, a plurality of track plates, a plurality of classification screening plates, a plurality of limiting frames, a feeding assembly and a locking assembly. During actual use, juvenile fishes are placed on the grading screening plate and screened in cooperation with the through holes formed in the grading screening plate from large to small, at the moment, the small juvenile fishes can submerge into the bottom plate frame, and when the juvenile fishes are collected, only an air cylinder needs to be started to make the air cylinder abut against the movable frame to move upwards, and the screened juvenile fishes are driven to be taken out of the screening box as a whole; then the limiting frame is pulled for collection, the locking assembly is used for assisting the limiting frame in resetting, the feeding assembly is used for adding fish feed for feeding, juvenile fishes of different specifications and sizes are temporarily bred in this way, and the growth uniformity of the juvenile fishes is guaranteed.

The invention relates to the field of weever culture, and provides a weever cage culture method, which comprises a support and a fish culture pond provided with a first fish culture chamber, a second fish culture chamber and a third fish culture chamber, the bottom of the pond is an inclined part inclined along the third fish culture chamber, ports are arranged among the chambers, the third fish culture chamber comprises a fishing net and a fishing device, each chamber is provided with a constant temperature, oxygen and water adding system and a drain valve, and the top of the pond is provided with a sun shield. Breeding is divided into three stages, wherein the temperature is accurately controlled to be 18-20 DEG C in the egg hatching and fry rearing stage, egg yolk emulsified feed is fed, and medicated bath is conducted in stages; respectively culturing in three fish culture chambers, gradually raising the temperature to 28-30 DEG C in the adult fish growth period, and feeding crushed feed; gradually reducing the temperature to 15-25 DEG C in the spawning period of adult fishes, regulating and controlling illumination, and feeding immunity enhancing feed containing beta-glucan and vitamin C; sequentially fishing and collecting roes after spawning, cleaning each chamber, and circularly culturing. The water quality is detected every month, ammonia nitrogen and nitrite are guaranteed to reach the standard, efficient and healthy breeding is achieved, and the technical problem that the perch breeding effect is poor is solved.

The invention discloses bacillus velezensis and application thereof in relieving fish intestinal injury induced by high cottonseed meal feed, and relates to the technical field of aquaculture, the classification name of the strain is bacillus velezensis GCB-2, the strain is preserved in the China General Microbiological Culture Collection Center on January 7, 2026, and the preservation number is CGMCC NO.37317. The invention further discloses a preparation method of the bacillus velezensis. According to the bacillus velezensis GCB-2 disclosed by the invention, fish intestinal injury induced by high cottonseed meal feed can be relieved; after the strain is added into fish feed, the growth performance of fishes can be remarkably improved, intestinal oxidative damage and inflammatory response caused by high-cottonseed-meal feed can be effectively relieved, and meanwhile the effects of repairing intestinal mucosal barriers and adjusting intestinal flora balance are achieved so as to improve intestinal health.

1. The name of the design product: oxygen pump (double hole). 2. The use of the design product: to make the oxygen in the air fully contact with the water to achieve the purpose of dissolving part of the oxygen into the water, increasing the oxygen content of the water, and ensuring the needs of fish growth in the water. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: front view.

The utility model relates to the technical field of fish behavior regulation and control, and discloses a fish behavior regulation and control mesh grid device based on memory alloy and acousto-optic induction, which comprises a plurality of groups of intelligent deformation mesh grids, the intelligent deformation mesh grids are formed by hinging nickel-titanium memory alloy mesh sheets and a support frame, and the mesh sheets are triggered to deform through water temperature change so as to regulate the size of mesh holes; the acousto-optic induction assembly comprises an underwater loudspeaker array and an LED flexible light band and is used for guiding fish behaviors through sound waves and spectral signals; the energy control assembly comprises a solar photovoltaic panel, a waterproof main control box, a buoy and a lithium battery and is used for supplying power and regulating and controlling acousto-optic signals; the anchoring assembly comprises a nylon mooring rope, a gravity anchor and a spiral ground pile and is used for fixing the device. The multiple sets of intelligent deformation meshes can automatically adjust the size of meshes according to water temperature changes, so that the requirements of different seasons and fish growth stages are dynamically met, and the flexibility and accuracy of regulation and control are improved.

The present application relates to the technical field of aquaculture feed, and provides a hermetia illucens protein peptide and a preparation method thereof.The hermetia illucens protein peptide prepared by using the technical solution of the present application can be used as a feed protein source, replace most of the fish meal in the feed, reduce the use of fish meal in the aquaculture feed, and alleviate the problem of fish meal shortage and insufficient supply.The present application also provides application of the hermetia illucens protein peptide in preparation of functional feed for improving the growth performance of fish and improving the muscle quality of fish.The functional feed for fish prepared by using the hermetia illucens protein peptide of the present application can not only significantly improve the growth of rainbow trout, but also has no negative effect on the antioxidant capacity of the liver and back muscle of animals, and can also improve the muscle quality of rainbow trout.

The application discloses a kind of based on repeated game's circulating water aquaculture fish intelligent feeding method and system, the method includes constructing repeated game, based on the Nash equilibrium strategy of repeated game, determine the income relationship between different strategies in research phase, finally according to the internal connection of the energy intake and consumption in starvation degree and fish feeding behavior, quantification starvation degree and determine feeding amount.The repeated game method of the application is simple and effective to determine the feeding amount to promote fish cooperative swimming feeding behavior, can effectively reduce the feed waste caused by determining the feeding amount by the total amount of fish combined with the experience of aquaculture, can effectively promote the cooperative swimming feeding behavior of fish individuals while fully meeting the energy required for fish growth, avoid deterioration of aquaculture water quality, improve the efficiency of aquaculture, meet the development needs of modern aquaculture.

The application discloses a pond intelligent feeding method and device based on machine vision, which is characterized by installing a high-definition waterproof camera on the bank of a pond, and the installation position of the camera is ensured to be able to shoot real-time pictures of the whole breeding water body; the method comprises the following steps: processing the images shot by the high-definition waterproof camera after feeding, determining the feeding desire value of the breeding organisms by combining information entropy and influence weight, quantifying the numerical relationship between the activity degrees of the breeding organisms after the first and second feeding, and taking the numerical relationship as the basis for whether the subsequent feeding is needed, and automatically controlling the working state of the material throwing device. According to the size of the quantification results of the two feedings, the working state of the feeding machine is controlled, accurate feeding is realized, and in the case of ensuring the nutritional conditions required for the growth of fishes, more attention is paid to the welfare of the fishes, and good environmental conditions can be provided for the growth of the fish population.

The invention relates to the technical field of aquaculture, and discloses an aquaculture net cage which comprises a supporting frame, a flexible connecting piece, a net bag and an anchoring piece, and the supporting frame comprises a plurality of floating frames which are vertically arranged at intervals; each floating frame comprises a plurality of energy consumption pieces with first inner cavities, and the adjacent energy consumption pieces are hinged in sequence; a plurality of flexible connecting pieces are arranged, and the two ends of each flexible connecting piece are connected with the two adjacent floating frames correspondingly; a partition piece is arranged in each energy consumption piece to divide the first inner cavity into a first cavity body and a second cavity body, a first material is arranged in the first cavity body, a second material is arranged in the second cavity body, and the weight of the second material is larger than that of the first material; the top of the mesh bag is open, and the mesh bag is installed in the supporting frame. The anchoring part is connected to the bottom of the supporting frame and used for connecting the supporting frame with the seabed. The problems that in the prior art, sea waves drive an aquaculture net cage to move up and down, continuous oscillation of seawater on the lower middle portion in the net cage is caused, fish grows slowly, and the immune function is damaged are solved.