20 results about "Grouper" patented technology

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 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 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 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.

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 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 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.

The utility model provides a screening device for juvenile grouper, which comprises a first fish platform and a second fish platform, a third fish platform is arranged between the first fish platform and the second fish platform, the first fish platform, the third fish platform and the second fish platform are arranged in a step-type laminated manner, and flow guide pipes are fixedly embedded at the side ends of the first fish platform and the third fish platform. A right-angle bent pipe is fixedly installed at the outer end of the flow guide pipe, a fish distributing plate is in threaded connection with the inner end of the flow guide pipe, and fish holes are formed in the fish distributing plate. The first fish platform, the third fish platform and the second fish platform which are stacked in a stepped mode are arranged, the flow guide pipes are arranged at the side ends of the first fish platform, the third fish platform and the second fish platform, the fish dividing plates are arranged in the flow guide pipes, and the fish holes which are sequentially shrunk from top to bottom are formed in the fish dividing plates, so that small juvenile groupers can penetrate through the fish holes; and entering the third fish platform or the second fish platform of the next layer, so that screening of the juvenile groupers is realized.