33 results about "Grouper" patented technology

The invention discloses an artificial breeding method of epinephelus fuscoguttatus and pink pterus coerulescens hybrid species, which comprises the following steps: screening healthy epinephelus fuscoguttatus as a female parent, screening healthy pink pterus coerulescens as a male parent, and carrying out enhanced breeding on the male parent and the female parent, the gonad maturation of the parent is promoted; the method comprises the following steps: collecting egg liquid of a female parent and semen of a male parent, inseminating to obtain a fertilized egg, incubating the fertilized egg to obtain a hybrid spot, performing authenticity identification on the hybrid spot by using one or more of sequences SEQ ID NO.1-SEQ ID NO.8, and determining that the hybrid spot inherits genetic information of the female parent and the male parent. The technical blank of crossbreeding of the pink pink bass as the parent grouper is filled, so that the hybrid obtained by hybridizing the epinephelus fuscoguttatus and the pink pink bass is reliable in authenticity, and inherits genetic information of male and female parents on the molecular level.

The invention discloses a method for efficient maturation of ovaries of industrially cultured plectropomus leopardus. The method comprises the following steps: screening healthy plectropomus leopardus individuals from a plectropomus leopardus population as parent fishes; putting the fish in an indoor culture pond for water adaptation to obtain high-quality parent fish; performing induced culture on the high-quality parent fish, wherein the induced culture comprises nutrient enrichment and temperature induction; the temperature induction time is less than or equal to 35 days to promote the ovary maturation of the parent fish. Through an indoor induction mode combining low-temperature energy storage, gradient rewarming and nutrient enrichment feed, the maturation rate of the female plectropomus leopardus ovary can be remarkably increased to 85% or above, and the maturation period is shortened to be within 40 days. The method is suitable for a standardized breeding process of an indoor parent fish breeding workshop, effectively realizes synchronous maturation and quality improvement of the parent fish group ovary, provides a stable parent guarantee for indoor artificial breeding of plectropomus leopardus, and has a good popularization and application prospect.

The application discloses a method for breeding Ptereleotris radiata by using siRNA molecules interfering with melanin tyr gene expression, wherein the sequence of the siRNA molecules is shown as SEQ ID NO. 6-35, and the siRNA molecules can interfere with the expression of melanin tyr gene in the skin tissue of Ptereleotris radiata. The siRNA sequence is designed and synthesized by using the melanin gene of Ptereleotris radiata, and a powder injection preparation containing the siRNA is obtained. The powder injection preparation is dissolved and injected into the body of Ptereleotris radiata. The individuals with faded melanin in the skin tissue of Ptereleotris radiata are screened out for breeding of parent fish and cross breeding, and the offspring of Ptereleotris radiata is obtained, wherein the skin tissue traits of the offspring are the same as those of the parent fish. By using the breeding method provided by the application, the melanin in the skin tissue of Ptereleotris radiata can be reduced and stably inherited, a foundation for obtaining Ptereleotris radiata varieties is laid, and the economic value of Ptereleotris radiata is improved.

The utility model provides a kind of intelligent feeding device for grouper culture, it is related to aquaculture equipment technical field, including pool body, pool body inside array is equipped with float plate, the inside installation of float plate has impeller, the top of float plate is equipped with rotating rod, and impeller is sleeved on the surface of rotating rod, the top surface of float plate is equipped with feeding structure, and feeding structure includes feeding frame, the top surface of feeding frame is fixed with feeding box, and the outlet of feeding box tail end is equipped with feeding wheel, and feeding box side is equipped with feeding cylinder in interface, the front of pool body is hinged with control box, and impeller rotates in aquaculture pond to generate water flow, to effectively improve the dissolved oxygen content in water, for aquaculture pond to carry out oxygenation treatment, while impeller rotates, fish food can be made to fall by itself to complete feeding, without separately increasing oxygenation equipment, improve the functionality of device while saving the occupied space of equipment, and when feeding, fish food is hit into different positions of fish pond along the direction of impeller rotation, improve feeding effect.

This invention relates to a method for the targeted cultivation of live feed to enhance the stress resistance of grouper fry, specifically a method for the targeted cultivation of grouper fry and its live feed. The live feed includes artichoke culture and rotifer culture. The targeted cultivation of the artichoke culture includes the following steps: placing artichokes in seawater, adding *Cryptospira spp.* powder, *Spirulina* powder, arginine, and *Cinnamomum camphora* oil for cultivation to obtain the artichoke culture; the targeted cultivation of the rotifer culture includes the following steps: placing rotifers in seawater, adding *Nyctaginus* pink bacteria. Natrialba pink Rotifer cultures were obtained by cultivating bacterial powder, spirulina powder, methionine, and sunflower oil. This method, through targeted cultivation of live feed, enriches the live feed with corresponding functional components. After feeding it to newly hatched juvenile scorpion, it can significantly improve the stress resistance of the juveniles and increase their survival rate, thus solving the industry pain points of slow development, low survival rate, and poor stress resistance of newly hatched scorpion scorpion.

The invention relates to the technical field of rocky spot culture, in particular to a rocky spot industrial culture device and a rocky spot industrial culture method, the rocky spot industrial culture device comprises a support adjusting module, a quantitative discharging module, a push feeding module, a directional flow guide module and an intelligent control module, the quantitative discharging module is movably arranged at the top end of the support adjusting module to quantitatively convey bait; the pushing and feeding module is arranged between the supporting and adjusting module and the quantitative discharging module so as to push the quantitative discharging module to move in the first direction; the directional flow guide module is arranged at a discharging port of the quantitative discharging module so as to control the bait sowing direction of the discharging port; the intelligent control module is arranged on the supporting and adjusting module and controls the supporting and adjusting module, the quantitative discharging module, the pushing and feeding module and the directional flow guiding module. The invention provides a stone spot fine-spot industrial aquaculture device and method which are high in adaptability, accurate, efficient and intelligent in cooperation.

The invention discloses a culture pond for grouper industrial aquaculture, and belongs to the technical field of fishery aquaculture. A culture pond for grouper industrial aquaculture comprises a fishpond and further comprises a first supporting frame fixed to the inner side of the middle section of the fishpond; the lifting assembly is arranged on the outer side of the middle section of the first supporting frame and used for lifting the bottom structure; the filtering assembly is arranged at the lifting end of the lifting assembly and used for filtering large impurity particles in water; the flow guide groove is formed in the middle section of the bottom of the fishpond and used for guiding water flow; the flow guide assembly is arranged at the middle section of the bottom of the flow guide groove and used for guiding water flow; the motor is fixed at the bottom middle section of the fishpond; the stirring assembly is arranged at the output end of the motor; the stirring assembly is driven by the motor to rotate on the inner side of the bottom of the fishpond, so that water on the inner side of the fishpond is stirred all around, the content of dissolved oxygen in the water is increased, the breathing environment of fishes is improved, and growth of the fishes is promoted.

The invention relates to a grouper crossbreeding method. The method comprises the four steps of parent breeding, temperature-sensitive domestication, artificial spawning and insemination, incubation and fry breeding, specifically, cold water-based clear water stone spots and hot water-based brown spot stone spots are selected as parents, the clear water stone spots are used as female parents, the brown spot stone spots are used as male parents, and the middle water temperature is adapted through gradient temperature-sensitive domestication; stress-resistant feed containing hilsa herring egg source peptide and haematococcus pluvialis astaxanthin ester and a temperature-sensitive blender are matched, a reproductive care agent is supplemented to strengthen sperm and egg performance, and normative spawning induction, insemination and graded cultivation processes are adopted. According to the method, the problems of poor water temperature adaptation and low hatching rate of grouper hybrid sperms and eggs in different temperature areas are solved, the wide-temperature property of filial generations is improved, the method adapts to the water temperature of 18-28 DEG C, the hatching rate, the fry survival rate, the adult fish survival rate and the average weight of single fish are remarkably improved, and technical support is provided for industrial application.

This invention discloses a flow-through culture device for juvenile grouper, in which juvenile grouper are cultured in a rearing pond and multiple biomimetic ponds according to their size. A feeding device is installed on the bank of the rearing pond, including a feeding and sorting section that extends into the rearing pond to collect the fish. A drive unit continuously operates the feeding and sorting section in the rearing pond, continuously collecting fry of different sizes and transporting them to different biomimetic ponds via pipelines. This reduces mechanical damage (abrasions, bruises) and physiological stress on the fish, thereby inhibiting stress-induced diseases and mortality, and improving the survival rate of juvenile grouper during the rearing stage.

The application discloses a kind of based on water body virus load and fish body tissue virus load correlation grouper nervous necrosis virus nondestructive testing method.The method is through optimizing the concentration condition of virus in aquaculture water, realize the efficient concentration and quantification of water body virus load, then combine water-water aquaculture animal virus load correlation model, indirectly and nondestructively assess the virus infection state of aquaculture animal.The application detects water environment instead of detecting animals itself, realizes nondestructive, dynamic, early warning monitoring of the health status of aquaculture animal population, with the advantages of low cost, simple operation, frequent implementation, etc., and has important application value in aquatic disease prevention and control, good seed selection and biological safety management.

The invention relates to a three-way hybrid grouper new germplasm cultivation method, and belongs to the technical field of grouper genetic breeding. According to the method, epinephelus moara and golden tiger hybridized fries (female epinephelus fuscoguttatus * male epinephelus coioides) are used as breeding materials, three-way hybridization is carried out in a matching mode of female epinephelus moara * male epinephelus coioides, and breeding of three epinephelus genetic species and fry with excellent characteristics is achieved. The method comprises the steps of parent selection, parent fish reproduction regulation and control, parent fish spawning induction, gamete collection, artificial insemination, incubation and fry rearing. According to the method, on the basis of reproductive regulation and crossbreeding technologies, time and space reproductive isolation of the groupers is broken through, and the new grouper germplasm which is high in survival rate, low in malformation rate and high in growth speed is cultivated.

The invention discloses a grouper roe hatching device and a hatching method thereof, belongs to the technical field of grouper roe hatching, and aims to solve the problems that a traditional device is low in parameter regulation and control precision, roes are easily damaged by water flow, the illumination adaptability is poor and the labor cost is high. The device comprises a breeding box with a detachable roe isolation box, a water flow circulation system with an inclined flow distribution plate, an intelligent temperature control detection system integrating a constant temperature assembly and multiple sensors, a servo-driven adjustable lifting light supplementing mechanism and a nanometer refining disc oxygenation assembly. According to the method, incubation is completed through parameter presetting, dynamic temperature, oxygen and light regulation and real-time monitoring feedback. Water quality and temperature can be accurately controlled, roe damage is avoided, illumination requirements of different incubation stages are met, manual dependence is reduced, and the larva survival rate and the large-scale breeding efficiency are effectively improved.

The present invention discloses a device for preserving grouper fish for land and sea transport, comprising a carriage and a transit circulation aeration assembly housed therein. The carriage is equipped with slide rails and a water pipe bracket. A fish-carrying component is fixedly and detachably connected to the slide rails. The water pipe brackets carry a water supply pipe and a water return pipe, both of which are equipped with multiple branch pipes and flow valves and are connected to the transit circulation aeration assembly. The bottom plate of the fish-carrying component is slidably connected to the slide rails. A square tube is provided at its lower end, and a rectangular storage frame is provided at its upper end. The frame contains multiple water tank assemblies secured by a restraining cage. The water tank assemblies are arranged, from bottom to top, as a bottom tank, a middle tank, a top tank, and a lid. Each tank is divided into multiple fish compartments by perforated partitions. The upper and lower tanks exchange water via overflow, and the lid abuts against the top tank's sealing ring under the action of the restraining cage. The multiple water tank assemblies are closely arranged in a stacked structure, with the top water inlet pipe and bottom drain pipe located on the side walls of the stacked structure, and the bottoms of the side walls are in contact with the inner walls of the rectangular storage frame.

The invention provides a method for increasing the hatching rate of fertilized eggs of Epinephelus yunnanensis, and belongs to the technical field of fish culture. The method comprises the following steps: S1, parent cultivation and male transformation: selecting five-year-old Epinephelus lanceolatus without seminal fluid as a male parent to perform indoor circulating water cultivation, and inducing male transformation in a cooperative mode of feeding a feed containing methyltestosterone, injecting follicle-stimulating hormone and periodically increasing and decreasing water temperature in the cultivation process; s2, male fish screening: regularly checking the male conversion rate in the parents in the step S1, screening the male fishes with qualified maturity, and screening the male fishes with qualified sperm maturity from the male fishes with qualified maturity; s3, insemination and incubation: collecting the seminal fluid of the male fishes screened in the step S2 for artificial insemination of the eggs of the epinephelus moara, and incubating the fertilized eggs. According to the method, the problems of small male fish quantity, insufficient seminal fluid and low fertilized egg hatching rate in artificial breeding of groupers are solved.

The application provides a rapid artificial hatching method for saddleband grouper eggs, which comprises the following steps: placing fertilized fish eggs in a container provided with debonding components, placing a spray pipe provided with a spray head in the container, adjusting the flow size to pretreat the fertilized fish eggs, obtaining pretreated fertilized fish eggs, and then placing the pretreated fertilized fish eggs in a hatching pool to hatch the fertilized eggs. The spray pipe provided with the spray head is placed in the container provided with the debonding components, the debonding agent is prepared by combining the debonding components and the adsorption carrier, the debonding agent is loaded into a mesh cloth bag and fixed in the container, the flow size of the spray head is adjusted, the fertilized eggs are pushed to the mesh cloth bags provided with the debonding agent around the container and at the bottom of the container, the fertilized eggs are in contact with the debonding components for a long time, the environment for embryo development is changed, the probability of embryo breaking the egg membranes is improved, and the hatching time is shortened.

The utility model relates to a grouper demersal roe hatching device which comprises a hatching cylinder, and a wave making pump and a hatching frame are installed in the hatching cylinder. The hatching frame comprises a vertical rod, a plurality of transverse rods are vertically arranged on the vertical rod in the height direction, each transverse rod is rotationally connected to the vertical rod, the other end of each transverse rod is fixedly connected with a containing base, and a hatching box is placed on each containing base. The bottoms of the hatching boxes and the bottoms of the placing seats are not closed, and the two vertically adjacent hatching boxes can be separated at the maximum angle of 180 degrees on the hatching frame, so that the bottoms of the hatching boxes are provided with spacious spaces, seawater can conveniently flow into the hatching boxes from the lower part, and the contact between roes and the seawater is enhanced. Surges are generated through the wave making pump, the marine environment is simulated, seawater is promoted to enter the hatching box, the seawater enters the hatching box from the lower portion and can turn up fish eggs, and mildness is achieved compared with mechanical turning.

The invention provides a method for cultivating parent fish of lithospermum punctatum. The method comprises the following steps: S1, screening and quarantine of the parent fish; S2, disinfecting the parent fish; S3, transferring the parent fish into a cultivating pond, S4, carrying out nutrient enrichment, S5, regulating and controlling illumination, S6, regulating and controlling water flow, S7, monitoring gonad development, S8, carrying out artificial spawning induction, and S9, carrying out postpartum care. S4, nutrient enrichment is carried out, accurate feeding according to stages and genders is carried out, a reform action effect is generated on parent fish breeding, nutrient supply and the parent fish reproductive physiological cycle are deeply coupled, and a physique basis is laid in the daily period; in the ripening acceleration stage, bisexual potential is stimulated through male and female material differentiation, and synchronous and efficient gonad development is achieved; the special feed for the spawning period focuses on protecting the liver, alleviating burden and maintaining the breeding state. The egg laying amount, the fertilization rate and the hatching rate are greatly increased, sustainable utilization of the parent fishes for many years is achieved by guaranteeing the health of the parent fishes, and the industrial pain point that the breeding efficiency and the service life of the parent fishes are difficult to achieve at the same time is fundamentally solved.

This invention relates to the field of recirculating aquaculture technology, specifically to an indoor aquaculture device and method for red snapper. The device includes a culture tank with symmetrically arranged support plates. A drive component is mounted on the support plates, and a rotating rod is mounted on the output shaft of the drive component. A feeding component is mounted on the rotating rod, and a light and color adjustment component is located inside the culture tank. A gear is mounted on the rotating rod, which rotatably engages with a rack on the support plates. A limiting component is located on the outer wall of the culture tank. A purification component is located on the outer wall of the culture tank, and a pumping component is located at the bottom of the rack. The method includes the following steps: Step 1, environmental control; Step 2, light setting; Step 3, stocking and rearing; and Step 4, feeding. This invention utilizes a light-controlled aquaculture method to specifically design the light conditions required by red snapper. By setting specific light conditions using LED lights, it can promote normal growth and development, thereby improving the aquaculture effect.

The invention relates to a controllable underwater natural ecological cultivation method and system for groupers, macroalgae, meat blocks and mainly cultivated grouper fries are put into a fish house, lobsters, siganus and sparidae fishes for ecological control are continuously put into the fish house, a controllable natural ecological system is formed by relying on internal related facilities of the fish house, and after the controllable ecological system is stable, the groupers are cultivated in the fish house. A one-way food chain of the epinephelus can be formed, and the epinephelus performs ecological cultivation increasing by ingestion of natural bait entering the fish house ecological system; except for feeding artificial bait when an early ecological system is not stable, only an underwater automatic feeding device needs to be used for feeding a small amount of phagostimulant in the system every 3-5 days at ordinary times to attract external bait organisms to enter the system, artificial bait feeding is not needed, and the fish house is hoisted after about 250 days to collect and catch fish. A controllable fish house ecological system is utilized, one-way food chain ecology suitable for the groupers is formed, the whole cultivation period of the groupers can be monitored in the whole process, cost is low, and economic benefits are good.

The invention relates to the field of aquatic economic animal breeding and proliferation and culture research, in particular to a seriola aureovittata artificial breeding and hatching device and method.The device comprises a frame and a base arranged at the bottom of the frame, a first supporting ring is arranged on the upper portion of the frame, an inner barrel is rotationally connected into the first supporting ring, and a plurality of through holes are formed in the side wall of the inner barrel; a filter screen is arranged in each through hole; an oxygen supply assembly which is fixedly connected to the frame and extends into the inner barrel to supply oxygen to the inner barrel is arranged at the top of the base; a second supporting ring is arranged in the middle of the frame, and an outer barrel located below the first supporting ring is rotationally connected into the second supporting ring. By arranging the inner and outer double-barrel structure, the mechanical transmission driving system and the synchronous oxygen supply circulating mechanism, while roe suspension incubation is achieved, dynamic balance of the water flow speed, the flow direction and dissolved oxygen distribution in the incubation water body is guaranteed, and therefore the incubation rate of the seriola aureovittata fertilized ova and the survival rate of fry are remarkably increased.

This invention discloses an intelligent monitoring method and system for the phenotype of viral neuronecrosis in grouper, comprising: acquiring grouper swimming video, preprocessing it, and splitting it into first and second standardized frame sequences; performing multi-target tracking on the first sequence to obtain the unique ID and trajectory of each fish, and counting the total number of grouper; identifying diseased fish based on the trajectory-extracted kinematic features, and outputting the initial number of diseased fish and the corresponding ID set; performing body surface feature detection on the second sequence after frame extraction to identify diseased fish with lesion characteristics, and outputting the lesion coordinates; fusing and analyzing the two identification results to output the final number and proportion of diseased fish. This invention achieves automated monitoring and improves detection efficiency and accuracy.

The invention discloses a grouper and penaeus vannamei three-dimensional symbiotic polyculture system and polyculture method, and belongs to the technical field of seawater net cage ecological culture. The system comprises a double-layer three-dimensional net cage, a middle-layer anti-predation separation net, a prawn three-dimensional attachment base, a feeding unit and a water body exchange unit, the net cage is divided into an upper-layer grouper culture area and a lower-layer prawn inhabiting area through the middle-layer anti-predation separation net, and the prawn three-dimensional attachment base is arranged on the lower layer for prawns to inhabit and shell. In the breeding process, grouper fries are put first, penaeus vannamei fries are put after 5-10 days, only the upper layer is fed with grouper feed, and the penaeus vannamei grows through residual feed, organic debris and plankton. Safe symbiosis of the groupers and the penaeus vannamei is achieved, predation is effectively prevented, the bait utilization rate and the unit water yield are improved, pollution and diseases are reduced, and the device has the advantages of being simple in structure, ecological, environmentally friendly and remarkable in benefit and is suitable for offshore net cage large-scale cultivation.

The invention discloses an application of a diplotype of a body length associated SNP (Single Nucleotide Polymorphism) site of modestus septentrionalis in breeding, and belongs to the technical field of aquatic breeding. The method comprises the following steps: analyzing early-stage sequencing data of a W group and an M group of navodon septentrionalis to identify two linkage imbalance SNP sites at 268 and 532 positions of an IGFBP2 gene with higher genetic diversity, totally detecting three haplotypes in the W group and the M group, randomly forming five diplotypes by the three haplotypes, compared with other four diplotypes, the homozygous diplotype V (A268A268C532C532) has remarkable advantages in the aspects of average body length and IGFBP2 gene expression, can be used as a molecular marker related to the body length, and is applied to molecule-assisted breeding of a new fast-growing strain of the navodon septentrionalis so as to improve the yield of a fast-growing improved variety of the navodon septentrionalis.

The invention discloses a wild grouper bait domestication method which comprises the following steps: injecting natural seawater and a water regulating solution into a domestication pool for sterilizing a water body to obtain a sterile domestication pool; the method comprises the following steps: soaking wild groupers in a pretreatment solution, putting the soaked wild groupers into a sterile domestication pool, and splashing a fry treatment solution into a water body of the sterile domestication pool to relieve stress, so as to obtain pretreated wild groupers; and performing staged feeding domestication on the pretreated wild grouper, and adding a fish composite functional additive into staged feeding domestication bait for mixing. According to the method provided by the invention, feeding and medicinal bait progressive domestication efficiency maximization is realized, intestinal tract conditioning, liver protection, detoxification, bacteriostasis and inflammation diminishing can be synergistically realized, white stool, abdominal distension and other symptoms can be remarkably reduced, the survival rate is greater than or equal to 93%, the whole domestication period is less than or equal to 20 days, the method is suitable for large-scale operation of wild groupers, and the situation that in traditional domestication, bait needs to be prepared according to the types of the groupers, and the domestication efficiency is greatly improved is avoided. And common domestication cannot be realized.

The intelligent grouper fry breeding box comprises a breeding machine box, a placing opening is formed in the top face of the breeding machine box in a penetrating mode, a screening container is embedded in the placing opening, the screening container is matched with the placing opening, the screening container is a hexagonal conical container, and a rotary sorting disc is arranged on the bottom face of the screening container. A guide plate is installed in the breeding machine box, the bottom face of the guide plate is connected with a rotating rod, breeding containers are fixed to the two sides in the breeding machine box respectively, visual collecting pieces are arranged at the positions close to the two ends of the guide plate, and efficient screening of grouper fries can be achieved through the breeding machine box. Fry with unqualified sizes are discharged through water flow and a filtering opening, the fry slide into a corresponding breeding container along a guide plate, the fry are collected and counted through a visual camera, the inclination direction of the guide plate is adjusted, the fry with qualified sizes can smoothly fall into a qualified fry breeding container, and therefore the effect of classified breeding is achieved.

The invention relates to the technical field of aquaculture, and provides a method for domesticating cheilocheilus undulatus, which comprises the following steps: S1, fishing in the field and transporting to a destination; s2, treatment before temporary rearing: before temporary rearing, the cheilocheilus undulatus is added into water for temperature and salinity balance, and sterilization and insecticidal treatment is carried out on the cheilocheilus undulatus; s3, temporary rearing: carrying out temporary rearing on the libiopterus undulatus subjected to sterilization and insect killing treatment, stopping feeding during the temporary rearing period, and splashing vitamin C every day; s4, domestication: performing live bait opening domestication on the temporarily cultured cheilocheilus undulatus, then performing polyculture on the cheilocheilus undulatus successfully subjected to live bait opening domestication and grouper or humping fish, and performing bait conversion domestication by taking iced fresh fishes and shrimps as baits, and S5, daily culture: performing daily culture on the cheilocheilus undulatus successfully subjected to bait conversion. According to the method, the wild libiopterus undulatus can be successfully domesticated, and the domestication survival rate is high.

The present application relates to the technical field of aquaculture, and especially to a mountainous sturgeon and grouper stepwise breeding method, comprising the following steps: (1) sturgeon breeding in the upper step area, and (2) grouper breeding in the high-position pond in the lower step area. The present application combines the growth and breeding characteristics of sturgeons and groupers during the breeding process, fully utilizes the underground water resources in the mountainous area, effectively improves the utilization of resources, increases the breeding benefits, and achieves the effect of reducing cost and increasing efficiency. Through targeted feed nutrition strengthening design, the growth promoting effect of plant active substances is utilized, the plant active substances are put into the feed after extraction, and the growth of the bred sturgeons and groupers is promoted.

The utility model belongs to the technical field of sparus latus offspring seed transportation, and particularly relates to a transportation protection box for improving the survival rate of sparus latus offspring seeds, which comprises a box body, and a circulating assembly is arranged in the box body; the circulating assembly comprises partition plates, the two partition plates are fixedly connected to the two sides of the interior of the box body, and base plates are fixedly connected to the bottoms of the sides, away from each other, of the partition plates. According to the device, the water pumps are arranged on the two sides in the box body, clear water enters the box body through the water inlet pipe, the water pumps pump the water into the area, where the sparus latus exists, in the box body through the circulating pipe, and the water in the area enters the area at the bottom of the base plate after being filtered through the filter plate 9 at the bottom of the partition plate and then jumps out through the water pumps to be circulated; the oxygen adding bottles are arranged on the two sides of the top of the base plate, oxygen is added to the middle of the box body in time, the oxygen adding bottles are matched with the water circulation assembly, oxygen is evenly distributed, and the survival rate of the sparus latus is increased.

The present application relates to the field of aquaculture water purification, and discloses a water filtering and circulating purification device for improving the quality of cultured groupers, comprising a box body, a fixed partition one, a fixed partition two and a plurality of U-shaped plates one are arranged inside the box body, wherein the fixed partition one and the inner wall of the box body are provided with the U-shaped plate one, the fixed partition one and the fixed partition two are also provided with the U-shaped plate one, the top of the fixed partition one is provided with a box cover two, and the box cover two is connected with the top of the box body through bolts, the side of the box body away from the box cover two is connected with a box cover one through a plurality of hinges, and the U-shaped plates one are slidably provided with fine filtering mechanisms. The present application realizes efficient water quality management through intelligent monitoring and automatic adjustment, multi-stage filtering and circulating purification, micro-bubble and ultraviolet disinfection optimization. Compared with the prior art of manual monitoring lag, single filtering easy to block and high energy consumption, the present application solves the problems of inaccurate water quality regulation, low filtering efficiency and breeding environment pollution.

The invention relates to the technical field of grouper culture, and discloses a circulating water three-dimensional culture device for grouper culture and a culture method.The device comprises a culture plant, a workshop culture module, a pond net cage culture module and a water supply module are arranged on the culture plant, and the workshop culture module, the pond net cage culture module and the water supply module are arranged on the culture plant. Compared with a traditional extensive breeding mode, the circulating water grouper three-dimensional ecological breeding mode has the multiple advantages that the breeding process is slightly affected by the external environment, efficiency is high, the period is short, benefits are remarkable, and the breeding tail water treatment effect is better. The mode gives consideration to both economic benefits and ecological environmental protection, and has wide popularization prospects and application values. According to the system, wastewater generated by breeding can be filtered and treated, the wastewater can be recycled through treatment of the system process and used for breeding of pond net cages, recycling of the wastewater is achieved, and resources are saved.