160 results about "Aquatic fauna" patented technology

The invention relates to the technical field of medical biological materials, in particular to an aquatic animal source acellular matrix and a preparation method and application thereof. The aquatic animal source acellular matrix is prepared by performing pretreatment and acellular treatment on connective tissues of aquatic animals; the pretreatment method comprises the following steps: carrying out enzymolysis for 12-60 hours by using biological enzyme at the temperature of 0-15 DEG C, and then removing muscular tissues, basilar membranes and epidermal layers to obtain the miscellaneous tissue-free dermal tissues. The aquatic animal-derived acellular matrix provided by the invention has a bionic structure similar to or consistent with animal original tissues, does not contain components possibly causing immune risks, and is high in clinical safety and effectiveness.

The invention belongs to the technical field of gene engineering, and discloses a CRISPR / Cas9 delivery system and application thereof. The CRISPR / Cas9 delivery system is obtained by loading the CRISPR / Cas9 system with the fluorinated polyethyleneimine, and the fluorinated polyethyleneimine can deliver the CRISPR / Cas9 carrier into cells, has excellent transmembrane delivery efficiency, and can efficiently mediate the CRISPR / Cas9 system to enter target cells. The CRISPR / Cas9 delivery system is applied to large-scale breeding of aquatic animals, the use safety is high, the biocompatibility is excellent, and the delivery system has excellent gene editing efficiency and has wide application prospects in the field of gene editing breeding.

The utility model relates to an assembly type prestressed concrete ecological supporting retaining wall, which belongs to the technical field of bank protection and comprises a prestressed supporting retaining wall column, wing edge ecological retaining wall plates are fixedly connected to two sides of the prestressed supporting retaining wall column with the middle protruding, a male tenon is fixedly connected to one wing edge ecological retaining wall plate, and a female tenon is fixedly connected to the other wing edge ecological retaining wall plate. The other winged ecological retaining wall plate is provided with a female tenon for the male tenon to be connected in an attached and inserted mode, the prestressed supporting retaining wall column is provided with a hoisting hole, and the winged ecological retaining wall plate is provided with a plant planting ecological bin. The fabricated prestressed concrete ecological supporting retaining wall can be composed of a prestressed supporting retaining wall column with the middle protruding, a left wing retaining wall plate, a right wing retaining wall plate, female tenons and male tenons, wherein the left wing retaining wall plate and the right wing retaining wall plate are connected with the prestressed supporting retaining wall column; the pre-stressed concrete ecological support retaining wall meets the requirements of bank protection and support, provides a place for reproduction of aquatic animals, and really achieves concrete ecological support.

The invention provides a health monitoring method, device and system based on aquatic animal sequestration, and belongs to the technical field of data processing technology and aquatic product healthy cultivation, and the method comprises the steps: obtaining a physical feature parameter vector of to-be-monitored aquatic animal sequestration, the physical characteristic parameter vector is determined by at least one of particle size distribution information, hydrodynamic parameters, dissolution characteristics, color characteristics and unit time increment of the aquatic animal excrements to be monitored; respectively inputting the physical characteristic parameter vector obtained at each monitoring moment into a health monitoring model to obtain instantaneous health state information output by the model; forming a time sequence by a plurality of pieces of instantaneous health state information, performing feature analysis on the time sequence, and determining a final health state; and continuously monitoring, analyzing and displaying the health state of the aquatic animal to be monitored. The invention further provides a device and a system which are used for better implementing the method to obtain a more effective health monitoring result and improve the accuracy of aquatic animal health monitoring.

The invention discloses an aquatic ecosystem exposure device for semi-volatile organic pollutants, which comprises a light control thermal insulation cabin, an aquatic ecosystem is arranged in the light control thermal insulation cabin, the aquatic ecosystem is arranged in a glass fish tank in the light control thermal insulation cabin, and the aquatic ecosystem comprises an aquatic animal exposure area and an aquatic plant exposure area. A fish manure collecting system is arranged at the bottom of the aquatic animal exposure area, a sediment collecting system is arranged at the bottom in the light-control heat-preservation cabin body, and a water sample collecting system, a target object adding and acid-base regulating device, a gas collecting and purifying device and an air exposure system are arranged outside the light-control heat-preservation cabin body in a communicating mode. The problems that in the prior art, the exposure condition of semi-volatile organic pollutants in an aquatic ecosystem cannot be effectively simulated, multiple types of samples such as gas, water, sediments, organisms and organism excrement cannot be comprehensively collected, and experiment conditions cannot be accurately controlled are solved.

The invention relates to the related field of ecological environment protection, in particular to a high-phreatic-water-level secondary wetland landscape construction method, which constructs a wetland system with complete ecological functions by reasonably selecting wetland vegetation and introducing a proper amount of aquatic animals and microorganisms. The system has the functions of water purification, nutrition circulation, biodiversity maintenance and the like. Landscape design is combined with the natural form of the wetland, facilities such as a footpath, a viewing platform and an ecological plank road are arranged, and the ornamental value and the ecological education function of the wetland are improved. According to the method, the ecological stability and sustainability of the wetland are enhanced, a place for entertainment and ecological tourism is provided for the public, the balance of ecological protection and humanistic utilization is realized, and the method has remarkable environmental benefits, economic benefits and social benefits.

The invention discloses a three-dimensional water ecological restoration method based on an ecological system, and the method specifically comprises the following steps: S1, carrying out the construction of a temporary dam for a river channel of a construction area, and carrying out the water ecological operation and water level reduction for the construction area; impurity cleaning is conducted on the river channel area after the water level is lowered; s2, in-situ remediation of the bottom mud: scattering a bottom material modifier in the river channel area after the sundries are cleared to complete the in-situ remediation of the bottom mud; submerged plants are planted; s3, after the submerged plants are planted, an ecological water purification barrier and a biological grid are installed, and water purification is conducted; s4, emergent aquatic plant buffer zone planting, microorganism regulation and control and aquatic animal putting are conducted on the two sides of the river channel, a three-dimensional water ecological restoration network is constructed, and water ecological restoration is completed. Through the synergistic effect of the ecological water purification barrier and the biological grid, rapid and high-strength physical adsorption and microbial degradation of pollutants are achieved, meanwhile, ecological niche is built, and recovery of biological diversity is achieved.

The invention discloses a water body ecological restoration method for pollution cleaning, which comprises the following steps: S1, firstly, fishing and collecting pollutants on the surface of a water body by using a restoration device; s2, water in the water body is pumped through a remediation device to be purified and cleaned; s3, aerating the bottom of the water body by using an aeration pipe of the remediation device to increase the dissolved oxygen amount; s4, planting submerged plants, emergent aquatic plants and floating plants in the water body; s5, after the aquatic plants are planted for one month, aquatic animals are put into the water body. According to the water body ecological restoration method for pollution cleaning, water body pollutants are fished and cleaned through the restoration device, water can be purified through the treatment box, the treated water is returned to the water body environment, the water environment is improved step by step, the dissolved oxygen amount at the bottom of the water body can be increased through the movable aeration mechanism, restoration of the water body ecology is facilitated, and the water body ecological restoration effect is improved. Corresponding plants for restoring ecology are planted, and aquatic animals are put, so that the dynamic balance of an ecological system of the water body is improved.

The invention relates to the technical field of seawall ecological transformation, and discloses a slope type seawall inner slope ecological transformation method which comprises the following steps: selecting a seawall section suitable for ecological transformation according to three first-level indexes, namely a seawall shoreline foundation, hydrology and water quality conditions and surrounding environment conditions; constructing a pool in the selected seawall section according to the terrain; constructing a pool base; and constructing a plant community in the water pool according to the life type, the phenological period and the salt tolerance of the plant. According to the method, a proper transformation section can be selected in combination with various environmental factors of a transformation area, then a corresponding water pool is constructed in combination with the landform, then a proper ecological material is selected to construct a substrate, and different plant communities are constructed in the water pool according to the characteristics of different plants. A natural-imitated seawall ecological space is built, the flood prevention and tide blocking functions of the seawall are guaranteed, the hygrophytes, aquatic plant communities and planktons can be utilized, an inhabiting and foraging environment is built for aquatic animals and hydrophilic birds, and the ecological service function of the seawall is improved.

The invention belongs to the technical field of black and odorous water treatment, and particularly relates to a method for repairing and treating rural black and odorous water. According to the invention, aquatic plants, aquatic animals and microbial communities are configured in the system, and hydrodynamic optimization is combined, so that an underwater forest ecological system with self-maintenance capability is constructed, biological self-purification of the black and odorous water body and long-acting stability of the ecological system are realized, and the system is suitable for black and odorous water body treatment of rural rivers and ponds. The ecological balance of a water body is maintained through closed-loop feedback of excessive plankton, enhancement of fish ingestion, promotion of plant growth by excrement and absorption of excessive nutritive salt, meanwhile, oxygen is supplied through photosynthesis of submerged plants, and zero external energy consumption is achieved by combining stepped oxygen transfer without external aeration. In addition, the raw material of the carrier is derived from agricultural wastes, so that the treatment cost is reduced, and the recycling of rural solid wastes can be effectively promoted.

The utility model discloses a riverside bank protection greening pile, and relates to the technical field of greening protection, the riverside bank protection greening pile comprises a pile body and a greening box body, the pile body comprises a solid section and a hollow section, the hollow section is internally provided with an inner cavity, and the hollow section is provided with a channel hole communicating with the inner cavity; the greening box body is placed in the inner cavity, and the greening box body is divided into an aquatic plant planting area, a terrestrial plant planting area and an aquatic animal activity area. Aquatic and terrestrial plants can be planted at the same time, riverway and side slope soil can be stabilized after plant root systems develop, soil around the pile body is prevented from being washed away by water, pile body inclination or collapse caused by unstable foundation of the river bank pile is prevented, and meanwhile the river bank can be beautified and the water environment can be purified.

The invention provides an aquatic animal source trypanosomes visual detection primer probe set, a kit and a detection method, and belongs to the technical field of parasite detection. The invention provides a detection reagent for aquatic animal source trypanosomes. The detection reagent comprises a recombinase polymerase amplification primer pair and a probe which are designed according to an SSU rDNA gene conserved region of the aquatic animal source trypanosomes. Aiming at SSU rDNA sequence conserved regions of multiple aquatic animal trypanosomes, the invention develops a detection method and a kit based on recombinase polymerase amplification combined with a lateral flow test strip technology, and the detection method and the kit have the advantages of strong specificity, high sensitivity, short time consumption, result visualization and the like, and have low requirements on detection sites, instruments and personnel; the method is suitable for rapid detection of trypanosomes in basic laboratories and farms, and has important significance on prevention and control of trypanosomes of aquatic animals.

The invention discloses a method for regulating the body color of ornamental fish, and belongs to the technical field of aquaculture. According to the method disclosed by the invention, the aquarium fishes in the fry stage and the juvenile stage are soaked with thyroid hormone, so that the excessive thyroid hormone can obviously reduce the number of haematochrome cells and the size of pigment particles of the aquarium fishes in different stages, and reduce the content of carotenoid; when the synthesis of thyroid hormone is inhibited, gene expression of melanocytes and related synthetic pathways can be promoted, and meanwhile, the carotenoid level is increased. The inhibition effect of thyroid hormone on scatophagus argus haematochrome cell development and carotenoid accumulation is determined for the first time, the knowledge blank in the field is filled, and important guidance information is provided for body color regulation and genetic improvement of aquarium fish and other aquatic animals in the future.

Apparatuses and systems suitable for separating aquatic animals, preferably large marine animals, from a fishing line, wire, and / or hook are disclosed herein. In an embodiment, the apparatus includes a base, which is affixable to an extender, having a return aperture and seat for receiving one or more blades to form a cutting edge along the return aperture; a cover rotatably fastened to the base; a locking point to affix the base and the cover; wherein the apparatus is configurable such that, if one or more straight-edge blades is inserted into the seat, no blade tip extends beyond a perimeter of the base and the cover. Also described are systems incorporating the apparatuses elsewhere described, further possessing an extender and one or more blades. Further, described herein are methods of using any of the apparatuses and / or systems elsewhere described to separate a marine animal from a line or hook.

The present invention relates to a novel feed-additive composition for use as prophylactic and therapeutic agents for the treatment of fungal, viral and bacterial infections in humans, animals and aquatic animals, including white spot shrimp virus (WSSV) infection in aquatic species, including crab and shrimp. The additive composition comprises glycerol monolaurate, rosemary oil, nisin peptide, calcium carbonate, piperin, sodium alginate, and carboxymethyl cellulose, and additive composition comprises glycerol monolaurate and saponin-rich extract in the ratio disclosed hereinabove. The said additive composition in a lower concentration can be used for prevention and in a higher concentration can be used for treatment of WSSV infection in aquaculture species. The present invention also relates to a process of manufacturing of the additive composition such as hereinbefore described.

The invention discloses a folding aquatic animal ecological environment monitoring station which is characterized by comprising a supporting table, the arc-shaped wall face of the supporting table is fixedly connected with a plurality of evenly-distributed connecting frames, and the connecting frames are in an L shape; the swing monitoring assembly is connected with the connecting frame and is used for monitoring water quality; the swing monitoring assembly comprises a main floating block, a circular shaft, a sensor, a swing rod, a rotating rod and a cross-shaped support. The lower end of the outer portion of each connecting frame is rotationally connected with one end of the rotating rod. The invention relates to the technical field of water environment monitoring, in particular to a folding aquatic animal ecological environment monitoring station, which is characterized in that a main floating block is utilized to drive a cross-shaped bracket, a rotating rod and a swing rod to swing in multiple directions under the action of water flow and a large spring through a unique swing monitoring assembly design; the multiple sensors arranged on the swing rod can carry out multi-directional dynamic monitoring in water, and water quality information in the aquatic animal ecological environment can be obtained more comprehensively and accurately.

The application discloses a kind of water ecological restoration plant community management method and system based on neural network, method includes: based on SOFM neural network, water body stratification detection is carried out to target water area, and stratification result is obtained;According to stratification result, dynamic hydrological data sampling is carried out to each water layer using water body monitoring equipment, and the sampling result of each water layer is obtained;According to aquatic plant distribution data and aquatic animal distribution data, corresponding biological information and water layer natural ecological environment data are called to construct target database;Based on BP neural network, according to target database, determine the dynamic change rule of target water area within a predetermined time;Judge whether the dynamic change rule meets the preset restoration target, according to the judgment result, based on ecological restoration principle, calculate the plant species and corresponding quantity required for each water layer, and obtain the calculation result;According to the calculation result, the plant community of target water area is managed using plant management equipment.

Provided are chitosan-RNA particles comprising low molecular weight chitosan and ssRNA or dsRNA, as well as compositions and cultured aquatic animals comprising the chitosan-RNA particles, and methods of use thereof in the treatment or prevention of microsporidia infection in aquaculture, the ssRNA or dsRNA is partially complementary, bound, or at least 90% identical to the mRNA target of a pathogenic microsporidium parasite in cultured fish or crustacean.

The invention relates to a device for analyzing and sorting animals and preferably aquatic animals, comprising: a housing (9); a tunnel (1) extending through the housing (9), comprising tunnel walls (4, 5), the tunnel (1) being positioned within the housing (9) and configured to guide an individual animal through the device, the tunnel (1) comprises: two or more image capturing units (6) positioned within the housing (1) configured to capture images of the tunnel (1), wherein each image capturing unit (6) comprises an image capturing device to capture images of the tunnel (1); configured for capturing images of at least one section of the tunnel (1), wherein said image capturing units (6) are provided laterally behind the tunnel walls (4, 5) on opposite lateral sides of the tunnel (1), said tunnel walls (4, 5) on the lateral sides being transparent; and illumination means (10) configured to provide illumination at said at least one section of the tunnel (1), said upper and / or lower tunnel wall (4, 5) being transparent.

The invention discloses and provides a combined box-type ecological anti-scour protection foot for river bank foot protection, the ecological anti-scour protection foot can improve the anti-scour capacity of a river bank foot and can replace vertical anti-scour measures such as adding concrete toe feet or sheet piles on the upstream face of the bank foot or a retaining wall, the appearance of the ecological anti-scour protection foot is in a box shape, and the ecological anti-scour protection foot is in a box shape. A peripheral box body frame is formed by combining reinforced concrete prefabricated parts, strip-shaped gaps are formed between the prefabricated parts, the box body is filled with small stone blocks, and the surfaces of the stone blocks are pressed by concrete prefabricated blocks. The prefabricated parts are spliced through embedded steel bars in the preformed holes and concrete in the pouring holes, and then the prefabricated parts, the filled small stone blocks and the surface layer ballasting prefabricated blocks jointly form a box-shaped porous river bank foot scour prevention system, and the ecological scour prevention protection foot can achieve the purposes of reinforcing the front toe of a river retaining wall and improving the scour resistance of the retaining wall. On the other hand, the ecological anti-scour protection foot is of a porous structure, a suitable habitat can be created for aquatic animals in the river channel, and the biodiversity of the river channel can be improved.

A process, system, and use of the system are disclosed, which enable the successive growth of aquatic animals and algae within the same aquaculture pond and optionally reduction of infestation species in ponds bottom solids of the aquaculture pond.

The invention relates to the technical field of aquatic animal breeding, in particular to a feeding device for shrimp breeding, which comprises a shell, a charging barrel is arranged at the top of the shell, a discharge port is formed in the bottom of the charging barrel, a scattering pipe is movably arranged on the shell, a connecting pipe is arranged between the discharge port and the scattering pipe, an air blower is arranged on the scattering pipe, and the connecting pipe is connected with the air blower. The steering mechanism is arranged between the shell and the material scattering pipe, and the angle adjusting mechanism is arranged between the shell and the material scattering pipe. Through integrated treatment of crushing, conveying and throwing, the whole flow of bait from storage to throwing is optimized, and the problems of caking and non-uniform throwing existing in a traditional throwing mode are effectively solved; the special motion control of the feed scattering pipe ensures the optimal distribution state of the bait in the water body, not only meets the ingestion requirements of prawn groups, but also avoids the deposition of residual bait to the maximum extent, effectively improves the utilization rate of the bait, and reduces the risk of water pollution.

The utility model relates to the technical field of slope protection structures, in particular to a slope type ecological slope protection structure which is characterized in that a base block and a cover block are oppositely arranged, guide beams are arranged between the base block and the cover block in parallel, and the two ends of each guide beam are fixedly connected with the base block and the cover block respectively; the adjacent guide beams, base blocks and cover blocks form a frame, the area, close to the base blocks, of the frame is an ecological area, and the area, close to the cover blocks, of the frame is a bank protection area. A plurality of ecological blocks are arranged in the ecological area from low to high, and a plurality of bank protection blocks are arranged in the bank protection area from low to high; the ecological block comprises an outer wall, the outer wall protrudes towards the side deviating from the guide beam, so that an ecological cavity is formed in the side, facing the guide beam, of the ecological block, an inlet hole is formed in the outer wall, opening holes are formed in the periphery of the inlet hole, and the inlet hole and the opening holes are communicated with the ecological cavity. The ecological blocks with the ecological cavities are designed, and the ecological blocks are communicated with the environment, so that the inhabitation space of aquatic animals in non-flood seasons is guaranteed, and the inhabitation space of aquatic animals in high water level in flood seasons is also guaranteed.

A feed additive pack includes an antioxidant component with astaxanthin dispersed within the antioxidant component. A fish feeds includes a base feed and a feed additive pack. The antioxidant component comprising particles having a particle size volume distribution with D80 in a range of 140 to 200 micrometers. Methods of making feed additive packs and fish feeds, and methods of feeding aquatic animals are also provided.

The objective is to provide formulations or feeds that improve the tolerance of aquatic animals to environmental stress, and to provide methods for raising aquatic animals using these. [Solution] An environmental stress tolerance enhancer for aquatic animals is provided, containing a predetermined nucleic acid as an active ingredient. The weight-average molecular weight of the nucleic acid is in the range of 5,000 to 50,000, and the absorbance of the nucleic acid at a wavelength of 420 nm is 3.0 or less. This environmental stress tolerance enhancer is incorporated into a feed for aquatic animals. These agents or feeds are administered to raise or manage the growth of aquatic animals.

The invention discloses a seasonal waterflooding beach arbor willow trunk insertion afforestation method, and belongs to the technical field of trunk insertion afforestation. Comprising the following steps: preparing an arbor willow trunk; selecting a planting area at the seasonal flooded beach land; soil preparation is conducted on the planting area to form planting ridges, and planting holes are punched in the planting ridges according to the preset planting density; preparing a sleeve, and inserting the sleeve and the tree willow trunk into the planting hole, so that the tree willow trunk is sleeved with the sleeve; in the dry season of the current year, the casing pipe is dismantled, and hilling and treading are conducted. According to the method, the sleeve is used as temporary physical protection, so that a contact channel between aquatic organisms and seedling bases is effectively blocked, and the situation that the bases of the tree willow trunks are gnawed by aquatic animals to cause plant death is avoided. In addition, by arranging the sleeve, the tree willow trunk can be prevented from being directly scoured by water flow, and lodging and breaking of the tree willow trunk are avoided. After the tree willows grow and are formed, the casing pipes are removed in time, and inhibition of long-term wrapping on tree trunk growth is avoided.

The present application belongs to the technical field of black and odorous water treatment, and particularly relates to a method for repairing and treating black and odorous water in rural areas. The present application configures aquatic plants, aquatic animals and microbial communities through a system, combines with water power optimization, and constructs an underwater forest ecological system with self-maintenance capability, so as to realize biological self-purification and long-term stability of the ecological system of the black and odorous water, and is suitable for the treatment of black and odorous water in rural rivers and ponds. Through the closed-loop feedback of excess plankton -> enhanced fish feeding -> excrement promoting plant growth -> absorbing excess nutrients, the ecological balance of the water body is maintained, and the oxygen supply of the photosynthesis of submerged plants is combined with the step-by-step oxygen transfer, so that external aeration is not needed, and zero external energy consumption is realized. In addition, the carrier raw material of the present application is derived from agricultural waste, which reduces the treatment cost and effectively promotes the resource utilization of rural solid waste.

The application provides a multi-stage adaptive fish activity intelligent regulation method, system and chip, and relates to the technical field of aquatic animal management. The method comprises the following steps: classifying the species and activity state of fish to be processed according to a preset knowledge base, and determining regulation parameters; setting a regulation environment according to the regulation parameters, and regulating the activity of the fish to be processed according to the regulation environment, and collecting activity signals of the fish to be processed, water temperature signals, water quality signals and gas signals of the regulation environment through a sensing chip during the regulation process; determining the activity state value of the fish to be processed during the regulation process through a processing chip according to the activity signals; and adjusting the regulation environment through a master control chip according to the activity state value. The application solves the problems of single regulation dimension, poor environmental adaptability and insufficient stage adaptability in the prior art.

This invention provides a tiered biological ecological filter bed purification system using functionalized porous media, relating to the field of environmental remediation technology. The system comprises a primary purification zone, a secondary purification zone, a tertiary purification zone, an underwater deep purification zone, and an aquatic animal habitat, sequentially connected along the water flow direction. Each purification zone is arranged in layers from top to bottom and is respectively equipped with soilless hydroponic plants, large-particle-size functionalized porous media, medium-particle-size adsorption-type functionalized porous media, small-particle-size catalytic-type functionalized porous media, a biological filter, and biomimetic aquatic plants. This allows the water flow to undergo interception, retention, adsorption, and deep biochemical purification processes at each stage, improving the graded purification capacity of non-point source pollution runoff and reducing the risk of clogging.

The invention discloses a water quality improvement method in water ecological restoration, which comprises the following steps: S1, sampling and detecting river water quality and river bottom sludge, draining the river water quality, and introducing a new water body; s2, adding a water quality improving additive into the river channel; s3, constructing a wetland river and aquatic plants at the bottom end of the riverway, culturing duckweed on the water surface of the riverway, and performing quicklime treatment on the substrate of the riverway; s4, fish and shrimps are put into the water body, and oxygen exposure treatment is conducted; S5, lawns, forest belts and shrubs are planted on the two banks of the river channel; s6, maintaining the water environment of the river channel, regularly sampling and detecting water quality and sludge, and performing data comparison; compared with the prior art, the method has the advantages that a combined remediation method is adopted, the water ecological environment of the riverway is remedied, the remediation effect is guaranteed, aquatic plants and aquatic animals are arranged in the riverway, a stable water ecological circulation system is established, the self-purification capacity of a water body in the riverway is effectively improved, and the water ecological remediation effect is improved.