643 results about "Shellfish" patented technology

A pneumatically controlled aquaculture apparatus is provided. The apparatus has a lift vessel that lifts containers holding shellfish out of the water when the lift vessel is floating in order to allow air desiccation to prevent bio-fouling of the equipment and shellfish. The apparatus has a floatation control tank positioned above the containers holding shellfish in a centered position of the apparatus. The apparatus also has a suspension buoy for suspending the apparatus in the water column. The apparatus may be deployed in two different suspended positions with either the floatation control tank or the suspension buoy floating on the water surface and the containers holding shellfish suspended below the surface. The apparatus may also be deployed in a submerged position in which the apparatus is resting on the water bottom.

The invention discloses a combined mudflat shellfish catching device and method. The combined mudflat shellfish catching device is mainly composed of a rack, a walking module, a catching module, a leaked sand cleaning module and a conveying module. The walking modules are installed on the two sides of the rack and responsible for walking and steering of the rack. The catching module comprises a roller soil breaker and a rolling shovel picker, and the roller soil breaker passively rotates along with advancing of the device and is used for pre-loosening soil; the rolling shovel picker actively and reversely rotates to shovel shellfish and surface sandy soil; the leaked sand cleaning module is composed of a vibration cleaning sieve, a planar four-bar mechanism and a vibration motor, screening and cleaning actions are driven by the vibration motor, and shellfish and sandy soil are subjected to hydraulic scouring by a cleaning nozzle; the conveying module comprises a hollow transverse conveying belt and an inclined conveying belt, the transverse conveying belt filters damaged or unqualified shellfish, and the inclined conveying belt lifts qualified shellfish to a rear collecting area. According to the device, the functions of soil loosening, picking, screening, cleaning and conveying are achieved through modular design, and the device is suitable for efficient catching operation of mud flat shellfishes.

The present invention relates to the field of offshore wind power generation, and specifically to an offshore wind power generation device, which includes a floating platform and a wind power generation component arranged at the upper end of the floating platform. A plurality of traction components for pulling the floating platform are arranged below the floating platform, and the traction component includes an L-shaped frame fixed to the lower end of the floating platform, a traction rope is slidably connected to the L-shaped frame, and one end of the traction rope is fixed to the seabed; a circular plate is arranged below the floating platform, and a lifting component for lifting the circular plate and a guide component for guiding the circular plate during the lifting process are arranged on the floating platform; an annular plate is provided on the outer surface of the traction rope, and a cleaning component for cleaning shellfish attached to the surface of the traction rope is provided at the lower end of the annular plate. During the power generation operation, the offshore wind power generation device of the present invention automatically scrapes and cleans the shellfish on the surface of the traction rope through the cleaning component, so as to prevent the shellfish on the surface of the traction rope from affecting the stable power generation operation of the offshore wind power generation device.

The invention relates to the technical field of marine ecology, in particular to an offshore wind power and marine ranch blue carbon synergistic effect optimization and scheduling control system which comprises a blue carbon dynamic monitoring module, a cross-time scale optimization module, an energy directional scheduling module, an ecological parameter compensation module and a synergistic effect feedback module. Wherein the blue carbon dynamic monitoring module is used for collecting an algae photosynthetic carbon sequestration rate, a shellfish calcification carbon sequestration rate, a seabed sediment carbon sequestration amount and environmental parameters in real time; the cross-time-scale optimization module is used for carrying out space-time alignment and generating a collaborative optimization strategy; and the energy directional scheduling module is used for dividing the electric energy output by the wind turbine generator according to priorities. According to the method, a blue carbon-wind power integrated collaborative optimization and scheduling mechanism is constructed, accurate alignment and dynamic regulation and control of different time scale carbon sink processes and wind power output are realized, and the collaborative capability of energy utilization efficiency and ecological carbon sink benefits is improved.

The invention relates to the technical field of shellfish breeding, in particular to a rapid microalgae breeding method for shellfish breeding based on a photobioreactor and a cement pool. The method comprises the following steps: firstly, optimizing a photobioreactor structure and an illumination layout, controlling a culture environment by matching with a multi-parameter regulation and control system, breeding microalgae seeds with high resistance and high carbon sequestration capacity, culturing to a preset density, and partially harvesting and inoculating into a cement pond, after partial harvest, the photobioreactor realizes continuous culture by supplementing disinfected seawater and nutritive salt; the harvested high-density microalgae are inoculated into a cement pond, nutritive salt is supplemented in a doubled mode, air and carbon dioxide mixed gas is used for continuous aerated culture, and the microalgae are promoted to rapidly reach the index growth period and used for being directly fed to shellfish larvae; according to the rapid microalgae breeding method for shellfish seedling culture, the yield and quality of microalgae are both considered, the success rate and productivity of aquatic seedling culture are effectively improved, the production cost and the labor intensity of workers are reduced, and the method is suitable for large-scale popularization.

The invention relates to the technical field of biological coast evaluation, in particular to a shellfish reef artificial biological coast construction effect evaluation method and a shellfish reef artificial biological coast construction effect evaluation system. According to the expected construction requirement of the shellfish reef artificial biological coast, multiple capture channels are obtained through evolution tensor decomposition in the dynamic evolution simulation model, the capture channels are used for evaluating and analyzing the construction effect of the target biological coast, and the current revetment inhabiting effect, revetment development capacity and shellfish reef life quality of the target biological coast are obtained; fitting and evaluating the inhabitation effect of the current revetment, the development capability of the revetment and the life quality of the shellfish reef through polar coordinates of a multi-dimensional evaluation polar map frame, and performing standard grade judgment to generate a construction effect evaluation result of the artificial biological coast of the shellfish reef. According to the method, a shellfish reef construction effect quantitative evaluation system taking the revetment inhabiting effect, the revetment development capability and the shellfish reef life quality as three dimensions can be constructed, and the rationality and scientificity of shellfish reef artificial biological coast construction effect evaluation are improved.

The sand rake of the present invention includes: a filter body, having an open filtering space and a plurality of filtering holes distributed across all sides thereof, a front side of the filter body being formed as an inclined surface and having a top edge with a plurality of teeth, while a bottom side of the filter body being formed as a flat surface; a support component, disposed in the filtering space of the filter body; and a handle, disposed at a rear side of the filter body. Accordingly, by using the specially-structured filter body of the sand rake, it replaces the user's hand in collecting shellfish organisms, increasing the harvest yield and enhancing safety during use.

The invention discloses a method for inducing ostrea rivularis triploid, and relates to the technical field of shellfish genetic breeding. The specific preparation method comprises the following steps: firstly, obtaining egg liquid and seminal fluid from gonads of female and male ostrea rivularis individuals, cleaning and curing the egg liquid, and adding the seminal fluid into the egg liquid after cleaning to obtain a fertilized egg solution; when the proportion of the first polar bodies in the eggs of the fertilized egg solution is 30-50%, adding an inducer into the fertilized egg solution for induction and cleaning to obtain induced fertilized eggs; and finally, hatching and screening the induced fertilized eggs to obtain D-shaped larvae, and culturing to obtain the crassostrea rivularis triploid population. The method for inducing the crassostrea rivularis triploid is high in triploid induction rate, high in final hatching rate, capable of stably surviving and good in application prospect.

The utility model relates to the technical field of shellfish cleaning, and discloses a flexible shellfish cleaning device which comprises a base, an outer shell fixedly installed on the top of the base, cleaning mechanisms arranged inside and outside the outer shell, silt auxiliary separation mechanisms arranged inside and outside the outer shell, and an access door movably installed on the front face of the outer shell. A mounting door is rotationally mounted on the left side of the shell. By arranging the silt auxiliary separation mechanism, under the action of the screening assembly, silt and dirt mixed in the cleaned flexible shellfish can be screened, the situation that silt and dirt directly fall into the collecting frame, and consequently secondary pollution is caused to the flexible shellfish is avoided, under the action of the adjusting cleaning assembly, the flexible shellfish can be cleaned, and the cleaning efficiency is improved. The flexible shellfish cleaning device has the advantages that the flexible shellfish cleaning device is simple in structure and convenient to use, water resources after cleaning can be secondarily utilized, collected silt and dirt can be uniformly treated after cleaning work is finished, the flexible shellfish can be sufficiently cleaned by the aid of the cleaning mechanism, and the flexible shellfish can be integrally conveyed and collected after cleaning is finished.

The invention provides a buried shellfish harvesting device and method for bionic floating mud pressing and substrate improvement. The device comprises a shellfish roller screen separator and a bionic assembly, wherein the shellfish roller screen separator is arranged on a deck of a ship body and can separate shellfish; shellfishes and silt at the seabed are adsorbed into the shellfish roller screen separator through the shellfish collecting pipe, the shellfishes are separated and discharged through the shellfish roller screen separator, meanwhile, the silt mixed with microorganisms is screened out, and the shellfishes are discharged through the shellfish collecting channel arranged at the end of the shellfish roller screen separator. Sediment is discharged into the bionic assembly through a sediment collecting channel arranged in the shellfish roller screen separator; the bionic assembly is provided with multiple stages of box bodies, oxygenation is conducted on sediment, the proportion of water in the sediment is adjusted, and the sediment is discharged back to the seabed through a bionic discharging pipe. According to the shellfish collecting device, the seabed ecology can be effectively protected while shellfishes are collected.

The invention discloses an oyster carbon sink value evaluation method, model and equipment based on carbon sequestration amount, and a medium. The method comprises the following steps: collecting oyster breeding data in an oyster breeding process; the method comprises the following steps: respectively calculating an oyster body carbon sequestration amount, an oyster attached organism carbon sequestration amount and an oyster biological sediment carbon sequestration amount according to oyster breeding data, and summarizing the oyster body carbon sequestration amount, the oyster attached organism carbon sequestration amount and the oyster biological sediment carbon sequestration amount into a total oyster breeding carbon sink amount; and calculating the carbon sink value of the oysters according to the total carbon sink amount of the oyster culture. According to the method, a traditional culture shellfish carbon sequestration basic metering method is improved, carbon sequestration amount calculation is carried out on oyster bodies and biological sediments of attached organisms respectively, the more accurate oyster culture carbon sequestration total amount can be obtained, and the carbon sequestration income of oysters is calculated based on the carbon sequestration total amount. The method is beneficial to enriching the basic research in the field of shellfish culture carbon sink accounting, and enables the ecological service value of the shellfish culture industry to be compensated through carbon sink transaction.

The invention relates to the technical field of deep and far sea culture, in particular to a deep and far sea self-circulation movable three-dimensional culture net cage culture system, which comprises a net cage, a culture platform, a fish culture system, a shellfish culture system and an algae culture system, the fish culture system comprises a fish culture box, the fish culture box is arranged in the culture platform, the fish culture box is of an annular hollow structure, and a culture pond is formed in the fish culture box; the algae culture system comprises an algae culture pond, and the algae culture pond is hung at the upper position in the fish culture box in the inner circumferential direction of the fish culture box; the shellfish culture system comprises a shellfish culture pond, the shellfish culture pond comprises a plurality of shellfish culture net cage units, the shellfish culture net cage units are hung on the upper portion of a fish culture box, and the fish culture system, the shellfish culture system and the algae culture system are integrated together to serve as a novel mutually-coordinated culture mode.

The utility model discloses a mud flat shellfish collecting and sludge cleaning device, and belongs to the technical field of aquatic product breeding equipment. The device comprises a collecting mechanism, a cleaning mechanism and a driving mechanism, the collecting mechanism comprises a collecting bin and a screening and filtering component, and an inlet and an outlet are formed in the collecting bin; the cleaning mechanism is connected with the driving mechanism, the driving mechanism drives the cleaning mechanism to act, the driving mechanism comprises a driving pump, the cleaning mechanism is provided with a high-pressure water cleaning part, the high-pressure water cleaning part is provided with a high-pressure water inlet and a high-pressure nozzle, and the high-pressure nozzle is communicated with the collecting bin. The harvester is simple in structure and convenient to use, harvested objects are collected through the collecting mechanism, the cleaning mechanism is driven to act through the driving mechanism, the harvested objects can be cleaned, the harvested objects can be efficiently separated under the action of the screening and filtering component, the cleaning effect is good, the harvesting selectivity is high, and the harvesting efficiency is high. Filtered silt can be directly discharged back into a water area, so that other organisms in the water area are prevented from being damaged.

The utility model discloses a milk shellfish bagging pretreatment device which comprises a first treatment mechanism and a second treatment mechanism, the first treatment mechanism and the second treatment mechanism are sequentially and fixedly connected and are fixedly and obliquely fixed to a supporting frame, and the output end of the second treatment mechanism is fixedly connected with a conveying guide pipe. The first treatment mechanism can conduct vibration pretreatment on the milk shells, the second treatment mechanism can slow down the conveying speed of the milk shells, through sequential arrangement of the first treatment mechanism and the second treatment mechanism, the milk shell powder can be shaken off, the milk shell powder mixed in the milk shells is reduced, meanwhile, the conveying speed of the milk shells can be buffered, and the conveying speed of the milk shells is improved. Milk shell powder is prevented from being raised, and the environment quality of a production workshop is guaranteed.

The invention discloses an array type shellfish culture structure motion response modeling analysis method, which comprises the following steps of: firstly, aiming at the complex structure of array type shellfish culture equipment, constructing a finite element numerical model of the shellfish culture equipment according to a rigid body kinematics principle and a concentrated quality method; secondly, performing hydrodynamic load calculation on the floating ring and the breeding cage by utilizing a Morison formula; and finally, solving the constructed motion equation through an implicit solver so as to obtain the motion response of the shellfish culture structure under the action of waves. According to the method, a coupling analysis method in the prior art that the upper floating body and the breeding cage serve as two independent structures is improved, and modeling and motion response analysis of the complex structure of the breeding cage are achieved.

The utility model discloses a mud flat shellfish harvesting double-layer shovel device and shellfish harvesting equipment thereof. The mud flat shellfish harvesting double-layer shovel device comprises a supporting frame body, a harvesting double-layer shovel and a double-layer shovel driving mechanism. The harvesting double-layer shovel is rotatably installed on the supporting frame body and comprises a first harvesting shovel body and a second harvesting shovel body, the first harvesting shovel body is used for shoveling surface-layer substrates, the second harvesting shovel body is used for harvesting second-layer substrates and shellfish, and a plurality of screen holes are formed in the surface of the second harvesting shovel body; the double-layer shovel driving mechanism is used for driving the harvesting double-layer shovel to vibrate so as to complete shellfish harvesting; compared with an existing single-layer shovel, the harvesting double-layer shovel has the advantages that after the first harvesting shovel in the harvesting double-layer shovel shovels the surface mud flat substrate, the harvesting resistance of the second harvesting shovel can be reduced, in addition, the thickness of the mud flat substrate harvested by the second harvesting shovel is small, screening of mactra veneriformis is facilitated, the mactra veneriformis screening efficiency is improved, and the working efficiency of the mactra veneriformis is improved. Therefore, the overall harvesting efficiency can be improved.

The invention relates to the technical field of sewage purification, and particularly discloses a pollution reduction type water quality purification method combining shellfish and grass carp bacteria and algae. The invention relates to a pollution reduction type water quality purification method combining shellfish and grass carp bacteria and algae. The method comprises the following steps: S1, collecting, adjusting and precipitating sewage through a pretreatment unit, and intercepting solid garbage at the same time; s2, introducing the pretreated sewage into a fish-fungus-algae symbiotic unit, putting fungi and algae into the unit, and stocking herbivorous fishes; s3, effluent of the fish-fungus-algae symbiosis unit is guided into a shellfish purification unit, and shellfish is put into the shellfish purification unit; s4, leading effluent of the shellfish purification unit into an aquatic plant purification unit, and planting aquatic plants in the aquatic plant purification unit. The pollution reduction type water quality purification method combining the shellfish and grass carp bacteria and algae can be used for scenes such as village and town domestic sewage, agricultural non-point source pollution and sewage treatment plant tail water, and has the advantages of pollutant reduction and water body self-purification capability reconstruction.

The invention discloses a lake and bay habitat maintenance method based on hierarchical calculation, and relates to the technical field of water ecological environment protection and ecological restoration, the effective water body volume of a lake is accurately calculated by combining terrain scanning with a partition weighted correction formula, and the volume estimation deviation of a traditional method is avoided; on the basis, the existing biomass of the plankton is subjected to layered correction, and the estimation precision of the primary productivity of the lake is improved, so that a scientific basis is provided for the proliferation capacity of filter-feeding fishes. Through water level and water quality dynamic correction and in combination with submerged vegetation population structure regulation and control, vegetation degradation caused by excessive ingestion of fishes can be effectively avoided. Further introducing batch stocking of the snails and the shellfish, constructing a closed-loop mechanism of snail ingestion-plankton reproduction-shellfish filter feeding-fish utilization-vegetation restoration, finally forming a fish, shellfish, snails and grass synergistic ecological balance system, and realizing long-term stable maintenance of the lake and bay habitat.

The invention relates to the technical field of ecological breeding of scylla paramamosain and protection and restoration of mangrove forests. The invention provides a method for culturing scylla paramamosain by using mangrove forest, which comprises the following steps: (1) carrying out simple engineering transformation on the basis of a coastal wetland traditional culture pond, constructing a planting island in the middle of the culture pond, and reserving an annular tidal creek between the planting island and the periphery of the culture pond; (2) planting mangrove plants in the planting island to form a man-made forest; (3) small aquatic plants are planted at the bottom of the artificial forest, and large algae are planted in the annular ditches; and (4) putting the young blue crabs into the culture pond, and carrying out daily management until the blue crabs are harvested. The shellfish is used for providing main food supply for the blue crabs, and meanwhile water is purified; excrement of the blue crabs can be fed back to promote growth of mangroves, algae, mussels and the like; large algae can perform photosynthesis at the bottom of the pond to increase dissolved oxygen in water, and small sea grass is placed in the planting island to make up for the defect of low coverage of newly planted mangrove forest plant seedlings.

The invention discloses a multi-purpose shellfish breeding device, and relates to the technical field of aquaculture, the multi-purpose shellfish breeding device comprises a box body, a water level adjusting mechanism and a plurality of baffle plates, the upper end of the box body is of an open structure, and the baffle plates are sequentially arranged in the box body from left to right in a staggered mode, so that a roundabout flow channel is formed in the box body; the box body is provided with a water outlet corresponding to the outlet position of the roundabout flow channel, and the water level adjusting mechanism is used for being arranged at the water outlet to adjust the water level in the box body. The multi-purpose shellfish seedling culture device can avoid the problems that partial seedlings are poor in development, different in size and irregular in specification due to the fact that local nutrition supply is not in place, the functions are more diversified, and the utilization rate and economic benefits are improved.

The invention discloses a composite inducer for promoting adhesion and metamorphosis of marine bivalve mollusk larvae and an application method of the composite inducer. The composite inducer for promoting adhesion and metamorphosis of the marine bivalve mollusk larvae comprises glutamine, glutamic acid, potassium chloride, calcium chloride and taurine, and the concentration ratio of the glutamine to the glutamic acid to the potassium chloride to the calcium chloride to the taurine is 1: 1: 2 * 10: 1.7 * 10: 4. According to the application, glutamine, potassium ions, calcium ions, glutamic acid and taurine are matched, the application effect of the glutamine, the potassium ions, the calcium ions, the glutamic acid and the taurine in the aspect of improving the attachment and metamorphosis rate of the shellfish larvae is defined, the technical blank of multi-component cooperative regulation and control of the attachment and metamorphosis of the shellfish at present is filled, a new solution is provided for bivalve shellfish fry production, and the application prospect is wide. The method is of great significance in promoting healthy development of the mariculture industry.

The utility model discloses a shovel tooth combined type mud flat shellfish digging device with adjustable spacing, which relates to the technical field of mud flat shellfish digging operation, and comprises a cross beam and a plurality of digging shovels fixedly arranged on the cross beam, comb teeth are uniformly arranged among the digging shovels, the comb teeth are arranged on the cross beam, the spacing of the comb teeth is adjustable, and the shovel tooth combined type mud flat shellfish digging device is arranged on the cross beam. The digging shovel is provided with multiple types of protruding structures, and the comb teeth are designed to be of a gradually-changing-size structure. Due to the design of various protruding structures on the shovel body of the digging shovel, mud flat silt can be better cut during digging, soil entering resistance can be reduced, and soil adhesion is prevented. The comb teeth are of a size gradual change type structural design, the soil penetrating size is gradually changed during excavation, soil penetrating resistance can be reduced, and the hilling phenomenon is reduced. The digging shovel and the comb teeth are adopted for cooperative operation, the soil breaking capacity of the digging shovel can be kept, the soil penetrating resistance is reduced through the comb teeth, part of soil is screened out in the digging process, and the soil hilling phenomenon is reduced.

Present embodiments relate to a shellfish shucking knife preferably having multiple blades, including at least a hinge blade and a muscle-cutting blade.

The invention discloses a method for reducing environmental stress of waterless keep-alive shellfish, and belongs to the technical field of keep-alive of aquatic products. The method comprises the following specific steps: cleaning caught fresh and live shellfishes, and temporarily culturing the shellfishes in a seawater temporary culture pond containing a shellfish stress inhibitor for 2-24 hours; performing cooling treatment on the temporarily cultured shellfish; draining the cooled shellfish, putting the shellfish into a packaging bag of which the inner wall is attached with a bionic gill filament film, and carrying out water-free keep-alive transportation or storage in a refrigeration environment of 2-4 DEG C; a shellfish stress inhibitor is used in the temporary rearing pond at the transportation or storage end point, and constant-speed heating is kept. Through the synergistic effect of the shellfish stress inhibitor and the bionic gill filament membrane, a more stable and suitable waterless keep-alive environment is provided for shellfishes, in the waterless keep-alive process of the shellfishes, the cell damage and death rate are reduced, and the survival rate is remarkably improved; meanwhile, glycogen consumption is reduced, the mass loss rate and the oxidative stress level of the shellfish are reduced, the survival rate of the shellfish is increased, the good texture of the shellfish is kept, and the method has important value for integrally improving the economic benefit of the waterless keep-alive shellfish.

A deep water drawing step of drawing deep water that exists in a deep region of the sea to a surface region of the sea with an upwelling pipe (1); and a phytoplankton culturing step of culturing the phytoplankton in the upwelling pipe (1) are included to produce, as a basic producer of a food chain, a living marine resource, such as fishes and shellfishes, with phytoplankton produced in the phytoplankton culturing step.

The utility model discloses a shellfish vibrating, liquefying and harvesting device and shellfish harvesting equipment thereof. The shellfish vibrating, liquefying and harvesting device comprises a supporting frame body, a vibrating and harvesting unit and a vibrating and driving unit, the vibration harvesting unit comprises a lifting plate and a plurality of slapping plates; the striking and vibrating driving unit is arranged on the supporting frame body and is used for driving the plurality of slapping plates to perform lifting, striking and liquefying on the mud flat substrate so as to realize floating of shellfish in the liquefied mud flat substrate; according to the utility model, the striking driving unit can drive the slapping plates to lift at high frequency, and the slapping plates can strike and slap the surface of the mud flat substrate soil at high frequency, so that the mud flat substrate generates a soil liquefaction phenomenon, and mactra veneriformis buried in the mud flat substrate can float up to the surface of the mud flat substrate; compared with an existing digging and harvesting device, the digging and harvesting device does not need to dig mud flat substrates for screening and harvesting, the power needed by the harvesting device is small on the premise that the ecological environment is protected, and cost reduction and efficiency improvement are facilitated.

The invention belongs to the field of aquaculture engineering, and particularly relates to an automatic identification and feeding shellfish larva cultivation system and method, and the system comprises a larva circulating water cultivation tank which is used for accommodating shellfish larvae and a circulating water body; the larva image acquisition device is used for acquiring larva image data and sending the larva image data to the control system; the peristaltic pump is used for receiving the control of the control system and quantitatively adding the bait algae liquid; the algae density sensor is used for collecting real-time microalgae concentration; the control system is used for receiving the image data of the larva image acquisition device and analyzing and acquiring the number of larvae and the shell length of the larvae; data of the algae density sensor is also received and converted into real-time microalgae concentration; meanwhile, according to the obtained data, the amount of bait algae liquid needing to be supplemented is calculated, the peristaltic pump is controlled to be started, and feeding is executed. The accurate feeding control system for the shellfish larvae is innovatively researched and developed, and the larva feeding amount is accurately controlled on the basis of the constructed accurate feeding preset model.

The invention discloses a marine ranch carbon sink breeding device and method, and belongs to the technical field of marine fishery. Wherein the culture device adopts a modular design of combining vertical layering and horizontal partitioning, and comprises an upper-layer algae culture module, a middle-layer fish culture module, a bottom-layer shellfish culture module and a seabed carbon deposition auxiliary module, and all the modules can be flexibly combined according to the sea environment. Breeding parameters are regulated and controlled in real time through the intelligent monitoring system, and efficient fixation and storage of carbon dioxide are achieved through the biological carbon fixation principle. The breeding method comprises the whole process of site selection, module assembling and putting, ecological regulation and control and carbon sink metering. The system has a carbon sink function and fishery output benefits, solves the problems of ecological imbalance and difficult carbon sink metering of a traditional breeding mode, and provides a standardized and intelligent solution for marine ranch carbon sink breeding.

This invention relates to the field of pet nutrition technology, and more particularly to a fresh dog food for improving coat health and its preparation method. The fresh dog food of this invention comprises component A and component B. Component A includes the following components in parts by weight: 40-45 parts venison, 10-12 parts mussels, 8-10 parts chicken liver, 8-10 parts duck egg, 3-5 parts carrot, 3-5 parts broccoli, 3-5 parts pumpkin, 3-5 parts taro, 3-5 parts avocado, 0.8-1 part dried red dates, 0.8-1 part dried rose petals, 0.5 parts whey calcium, 1.3 parts malt powder, 0.5 parts inulin, 0.5 parts brewer's yeast, and 0.2 parts fish oil. Component B is Bacillus subtilis; the viable count of Bacillus subtilis is 1×10⁻⁶. 9 CFU / g. This invention utilizes the synergistic effect of deep-sea shellfish and venison to improve the coat quality of puppies, increasing the coat diameter by ≥23.1% and the scale thickness by ≥32.4%.