1757 results about "Fish owl" patented technology

At first, breeding filter feed silver carp, carp and crucian carp in area of water bloom breakout to control algae growing; pelagian eats small algae to reduce quantity of the algae; spiral shell and clam can moves carrying roes toincrease fish spreading area; cyanophage, dissolved algae bacteria and other microbe eating algae are separated and purified from natural water, which is cultured to large quantities in laboratory then to be put in blue algae water bloom breakout orea to control algae; resumption of water plant in water bloom breakout area can control algae growing. Last is getting rid of algae by machine including fixed blue adgae water bloom removing machine and mobile blue adgae water bloom removing machine.

A system and method of sustainable aquaponics that vertically integrates unique aquaponic system designs with alternative aquaculture fish feed sources, fingerling production methods, alternative aquaculture/farmed fish grow out models, and green energy sources that yield organic produce in the form of fruits and vegetables. A raceway system serves for grow-out throughout the warm and cold months. During the summer months, fish can be spawned and fed for steady growth, while during the winter months, the fish continue to grow at slower quite acceptable growth rates. The present invention derives its water from an open, natural, established pond or lake ecosystem to ensure that the raceways are adequately seeded with all of nature's good and bad bacteria and algae. The present invention can include winter quarters for the fish that is well-insulated and heated to ensure that the fish are comfortable and will continue growing and spawning throughout winter months.

The invention relates to a water circulation system and a method for breeding marine fishes inland, and mainly solves the technical problems of complex process, large investment, high operating cost, large limitation of breeding varieties, low survival rate, slow growth and the like in the process of breeding the marine fishes in fresh water or low salinity salt water at present. A technical scheme comprises the following steps of: a, establishing the water circulation system; b, performing domestication on juvenile fishes of the marine fishes in the low salinity salt water in a gradient mode, namely breeding the juvenile fishes which are bred in the seawater in the brackish water temporarily, formulating a domestication strategy of slowing salinity gradually, and performing domesticationon the juvenile fishes of the marine fishes through three gradients, namely the brackish water phase, the low salinity phase and the ultra-low salinity phase; c, adding a physiological salt preparation, namely adding metal ions which play a key role in osmoregulation into the water or a feed; and d, managing the breeding, namely providing a preference temperature, illumination intensity and a daily illumination period. The water circulation system and the method are mainly used for breeding the marine fishes inland.

The invention relates to a mixed feed for mixed aquaculture of freshwater fishes. The mixed feed includes a basic material. The basic material includes fish meal, soybean meal, wheat, cottonseed meal, rapeseed meal and soybean oil, and also includes by weight: 1.5-2.2% of calcium phosphate, 1.5-2.2% of bentonite, 1.5-2.2% of zeolite powder, 0.1-0.25% of choline chloride, 0.1-0.25% of salt, 0.02-0.05% of compound probiotics, 0.04-0.08% of vitamin C, 0.005-0.02% of allicin, 1.0-2.0% of compound vitamins and 1.0-2.5% of compound mineral salts. The feed is suitable for intensive culture or polyculture of megalobrama amblycephala, black carp, grass carp, common carp and the like, so that the freshwater fish feed is generalized, the return rate of the feed is improved, the aquaculture water eutrophication and fish liver and gallbladder diseases are reduced, the output of unit aquatic products is raised, and the economic benefits of farmers are significantly improved.

The described invention is an integrated multi-trophic farming process and methods thereof that creates a linkage between aquaculture, hydroponics, agriculture, and algae production. The process and methods described herein enable one skilled in the art of aquaculture, agriculture, hydroponics, and/or algae production to integrate aquaculture practices with their respective industry. The process and methods described within are applied to freshwater, brackish, and/or saltwater aquaculture production systems. The processes and methods described herein enable one skilled in the art to produce fish and/or aquatic animals in conjunction with plant and/or algae crops with less consumption of water, feed, and/or fertilizers when compared to conventional open source farming practices such as but not limited to aquaculture, agriculture, and/or algae production

Methods, systems, and apparatuses, including computer programs encoded on a computer-readable storage medium for estimating the shape, size, and mass of fish are described. A pair of stereo cameras may be utilized to obtain right and left images of fish in a defined area. The right and left images may be processed, enhanced, and combined. Object detection may be used to detect and track a fish in images. A pose estimator may be used to determine key points and features of the detected fish. Based on the key points, a three-dimensional (3-D) model of the fish is generated that provides an estimate of the size and shape of the fish. A regression model or neural network model can be applied to the 3-D model to determine a likely weight of the fish.

Synchronous induced spawning for parent fish better solves the problem of sexual maturity through synchronous development of female and male parent fish. The invention discloses an artificial propagation method for sturgeon, which comprises the steps of selection of parent fish, parent fish rearing, induced spawning, artificial insemination, zygote hatching, artificial selection of fish fry, and fish fry rearing. In the artificial propagation method, by artificially reducing water temperature and ambient environment temperature, micro water flow is formed to simulate the ecological environment for the reproduction of sturgeon, the simulated ecological environment is similar to the conditions necessary for the reproduction of wild sturgeon in the natural world, and the artificial low temperature factor lasts for a long time, so as to always guarantee the low temperature environment for the maturity and awaiting delivery of parent fish of the sturgeon, and meet other condition requirements, so that the parent fish can rut and spawn all year round to finally achieve the factory production of the sturgeon fry; meanwhile, in the artificial propagation method, female parent fish and male parent fish of the sturgeon are separately put into an artificially simulated ecological environment for inducing oestrus, and then the degree of sexual maturity of the parent fish is identified to select the parent fish with basically developed sexual maturity.

The invention discloses a floating artificial fish reef. During preparation, the floating manual fish reef is characterized in that an adhesion base material is bonded to a floating body material and a suspender by using an adhesive or cement, the suspender is suspended below the floating body material after being cured, and a counter weight is suspended below the suspender. The floating artificial fish reef is arranged on the euphotic layer of sea water in an aquaculture zone, so that the adhesion growth of algae, shellfishes and microorganisms is facilitated, the water quality of the aquaculture zone is improved, and the generation of eutrophication is inhibited.

The invention provides a biological cultivation method of a sea horse, which comprises the following steps of: establishing a cultured biological system, cultivating a newborn sea horse, cultivating a young sea horse and cultivating an adult sea horse. In the sea horse cultivating technology provided by the invention, the supply of bait under an industrial condition is ensured by establishing thecultured biological system, accelerating maturity and cultivating the bait; diseases are effectively prevented and treated and the surviving rate is increased; the mature rate and the seedling yield can be greatly increased; the surviving rate of sea horse seedlings is 62.38%; the nurturance surviving rate is 89.52%; the seedling yield per fetus is 405.2; the unit yield is 0.613kg/stere; and the biological cultivation method is a new technology capable of realizing industrial cultivation.

The invention discloses a silurus meridionalis feed, which comprises an animal protein source, a plant protein source, fat, vitamins, minerals and carbohydrates, wherein the animal protein source accounts for 30 to 40 percent, the plant protein source accounts for 25 to 40 percent, the fat accounts for 6 to 8 percent and polyunsaturated fatty acid accounts for not less than 1.5 percent. The processing method comprises the following steps of: crushing and/or grinding all components of the feed; stirring various raw materials in a stirrer; and packaging the stirred feed. The feed can improve the survival rate and disease resistance of silurus meridionalis, has good effect of promoting growth, can completely replace trash fish to serve as the fish bait of the silurus meridionalis, and can effectively reduce the culture cost of the silurus meridionalis to achieve the maximum economic benefit.

The invention discloses an artificial breeding method for Acrossocheilus fasciatus, comprising the following steps: strengthening parent fish, spawning, collecting eggs, hatching and growing seedlings; accelerating maturity by utilizing granulated feed, wherein the content of the crude protein in the granulated feed is high; strengthening by utilizing granulated feed added with vitamin E, wherein the content of the crude protein in the granulated feed added with vitamin E is high; when water temperature is not lower than 22DEG C, accelerating oviposition by hastening parturition micro water changed once every 12 hours and a sand table; taking out of the sand table after the eggs are fertilized for 1-1.5 hours; when the water temperature is 23-25DEG C and the flow rate is 8-10 hours, replacing water once; hatching without direct irradiation of sunlight; when the water temperature is 22-25DEG C and the flow rate is 10-12 hours, replacing water once; and mixing an earthworm pulp serving as an opening bait with a powdery feed, and feeding. By utilizing the method provided by the invention, after artificial propagation, less parent fish die, and the parent fish can be repeatedly propagated; the oviposition rate can reach 70-85%, the hatching rate is 50-70%, and the fish fry survival rate can reach 60-80%; and great quantity of fish fries can be obtained, and seedling protection is provided for large-scale artificial breeding.

The invention relates to a method and a device for fish flesh detection. The method comprises the following steps of 1, acquiring a hyperspectral image of a fish flesh sample, wherein the hyperspectral image comprises spectral data of multiple wavebands, 2, extracting the spectral data of N feature wavebands, wherein N is greater than 1, and 3, utilizing the extracted spectral data of the N feature wavebands as an input value of a learning vector quantization model, and identifying if the fish flesh sample belongs to marine fishes or freshwater fishes according to an output value of the learning vector quantization model. The method and the device can realize fast and accurate identification of marine fishes or freshwater fishes and can realize fast and accurate detection of mercury content of fish flesh.

The present disclosure is directed towards determining, at sea, the respective weights of fish species that are part of a fish catch. By way of the present disclosure, images of a fish catch are taken using triangulation techniques involving stereo-photogrammetry. According to one embodiment, a method for estimating a total weight of a fish catch includes receiving a fish catch on a fishing vessel and capturing images of the fish catch. From the images, fishes are identified and the species to which the corresponding fishes belong are also identified. Using the images, lengths of the identified fishes as well as the total volume occupied by the fish catch are determined, which can be used to estimate the total weight of the fish catch.

An image obtained when a rare or valuable thing is found is shared between users each wearing an image display apparatus on the head or face.

When a man finds a rare or valuable thing, the man feels like telling it to his/her surroundings. For example, when the man finds a planet such as Venus or shooting stars in the night sky, fish or a fresh water crab in a pond or a river, a bird, a cicada, a unicorn beetle, or the like on a tall tree in the woods, the man feels like saying “Look there!” An image display apparatus 100 releases a captured image in a line-of-sight direction of the user to share a user's precious experience with other users.

The invention discloses aquarium fish feed. The aquarium fish feed is prepared from the following components in parts by weight: 25-45 parts of fish meal, 10-30 parts of flour, 10-45 parts of bean pulp, 5-25 parts of rapeseed meal, 1-3 parts of fish oil, 0.1-10 parts of spirulina, 0.1-3 parts of monocalcium phosphate, 1-3 parts of a fish adhesive, 0.1-5 parts of beer yeast, 0.2-1 part of multi-vitamin, 0.2-1 part of mineral substances and 0.01-1 part of astaxanthin. The aquarium fish feed has the effects of prompting the growth and the development of fishes, improving the immunity of fishes and achieving the purposes of long-term burnishing and long-term color retaining; the aquarium fish feed is convenient to use and can be preserved for a long time and transported in a long distance after being dried and packaged; and the aquarium fish feed is an aquarium fish feed which is free of residue and pollution and is safe, reliable, green and environment-friendly.

The invention discloses a method for constructing ntaxial system ecology for fishes, grasses and shellfishes in the fresh-water substance, which is characterized by effectively combining the ecological character of water with the ecological and physiological properties of aquatic organisms to build and repair the ecology of the water substance by the synergy of the symbiotic mode of various organisms such as sunken plants, emergent aquatic plants, floating plants, shellfishes, filter fishes, carnivorous fishes, predatory fishes, omnivorous fishes and herbivorous fishes, giving full play to theself-purification capacity of the ecological system of the water substance, controlling pollution to the water substance and protecting the environment of the waters. The method of the constructing ntaxial system ecology for fishes, grasses and shellfishes in fresh-water substance of the invention can be suitably popularized in and applied to waters such as rivers, lakes, pools and streams.

The invention discloses a crowd evacuation path planning method based on an artificial fish swarm algorithm. The crowd evacuation path planning method includes the steps: building an artificial fish swarm model and initializing relevant parameters; calculating the distance between each grid and a danger source and the crowdedness degree of each grid, and updating artificial fish positions if open exit evacuation is performed; calculating the distance between each grid and an exit and the crowdedness degree of each exit zone, and updating the artificial fish positions if fixed exit evacuation is performed; generating the optimal path of crowd evacuation simulated by individual artificial fishes. The crowd evacuation path planning method has the advantages that swarm adaptive path planning can be realized, a parameter setting panel is designed by the aid of a visual interface, evacuation behaviors under different situations are simulated, generated movement more conforms to swarm movement in a real world, so that unpredictable swarm behaviors are generated, and movement authenticity is improved.

A method of gathering, analyzing, and reporting data about commercial fish stocks and fisheries. Under this method, individual commercial fishermen use a device specific to the type of fishing being done to record the number of fish brought aboard, the number kept or released, the reason for release, the date, time, and location of the catch, and the fishery conditions, such as water temperature, depth, and salinity at the time that fish are brought aboard the fishing vessel. The individual fishermen transfer the data, typically via telephone link, to a central data repository, or to a receiving station when the data is transferred to the central data repository at a later time. The data is encrypted during transfer and placed in fisherman files, each fisherman having his own, restricted-access file. Data from all individual fishermen, as well as from other sources, are placed in a composite data pool to be used as source data for a general fishery database on fishstocks and fisheries. This data can be stripped of data that would identify a particular fisherman as the source, to preserve fishing secrets. Confidential reports can be generated from a fisherman file and delivered to the individual fisherman who is the source of that data. Reports for regulatory agencies can also be generated from the data in the fisherman file. The fishery database provides a unit for regulatory agencies, fisheries managers, and fish research institutions to analyze, monitor, and report on the development of fishstocks and fisheries.

The invention discloses a low-fish meal compound feed for macrobrachium rosenbergii and a preparation method thereof, wherein the compound feed is characterized by consisting of the following components in parts by weight: 15 to 20 parts of fish meal, 10 to 30 parts of soybean meal, 8 to 12 parts of chicken meal, 6 to 10 parts of corn gluten meal, 5 to 15 parts of fermented soybean meal, 5 to 15 parts of peanut meal, 3 to 5 parts of cerevisiae fermentum, 3 to 5 parts of shrimp shell powder, 3 to 5 parts of squid liver powder, 1.5 to 2 parts of fish oil, 1 to 2 parts of bean oil, 1.5 to 2 parts of soybean lecithin, 10 to 25 parts of flour, 0.2 to 0.5 parts of vitamin mixture and 0.5 to 1 part of mineral mixture; the preparation method comprises the steps of: mixing the above components; modifying quality of the mixture under certain steam pressure, humidity and temperature; curing the quality-modified mixture under certain temperature and pressure, and finally extruding the mixture to the feed with the particle diameter ranging from 1 to 4mm. The feed has the advantages of small using amount of the fish meal, low feed cost and simultaneously enhancing the digestibility of macrobrachium rosenbergii.

The invention discloses a construction and stock breeding method for cultured grass carp families. The method comprises the following steps of: selecting grass carps which move actively and have high heritability and of which the weight is 15 to 20 percent more than the average weight, as parent fishes; marking cultured grass carps by using periodic interrupt timer (PIT) electronic labels, after sexual gland is matured, facilitating maturation by using hormone solution, performing artificial insemination on female and male parent fishes to obtain oosperm, performing self-hatching, then growing seedlings, breeding fishseed, breeding one-year fishes, feeding respectively, and establishing the families; from the second year to maturation time, injecting the PIT electronic label into the grass carps with the different families; performing mixed culture in a same pond, and eliminating the inferior grass carps, wherein the rest families are the basic families for next generation breeding; the young grass carps, the one-year grass carps, two-year grass carps, three-year grass carps and four-year grass carps are a critical period of family breeding; preferably choosing, and establishing the families serving as backup parent fishes; and then matching teams, raising the seedlings and then breeding continuously. A new product with high quality, high yield and stable yield is bred by establishing the different families of the cultured grass carps; and the method is used for researching the genetic characteristic and breed differentiation conditions by mating the male and female fishes among the grass carp families and inbreeding the male and female fishes in the grass carp family.

An intensive fry breeding system of Pelteobagrus fulvidraco includes a disease prevention and control region for fish body quarantine and sterilization of personnel, tools and water entering the system; a parent fish sorting region including at least one parent fish temporary culture pond for cleaning and specification sorting of parent fishes entering the system from outside; a parent fish spawning inducement region including at least one spawning inducement pond and at least one injection workbench for performing injection spawning inducement to parent fish; an artificial insemination region for completing artificial spawn collection, artificial insemination, artificial debonding and washing; a spawn hatching region including at least one set of fry hatching device for hatching spawn into fry; and a fry temporary culture region including at least one fry temporary culture pond for temporary culture and first-feeding, wherein the disease prevention and control region, the parent fish sorting region, the parent fish spawning inducement region, the artificial insemination region, the spawn hatching region and the fry temporary culture region are all arranged at the production site. The above functional regions are adjacent in sequence. The inventive system has novel facilities, industrialized and large-scale fry breeding and reduced fry propagation cost, and is small in land occupation and low in water consumption.

The invention discloses biological enzyme fish guano and a preparation method thereof, relating to the technical field of biological fish guano and preparation thereof. The biological enzyme fish guano comprises the following components: 300 parts of oil cake, 300 parts of chicken dung, 100 parts of rice bran, 100 parts of bone meal, 100 parts of shale, 50 parts of calcium superphosphate, 50 parts of urea, 10 parts of enzyme expansion bacteria, 6 parts of brown sugar and 1 parts of trace elements. On one hand, the biological fish guano can be used for killing harmful bacteria in a fish pond, inhibiting the propagation and growth of pathogenic bacteria in a water body, reducing diseases; and on the other hand, the biological fish guano can be used for breeding beneficial algae in an oriented way, supplying natural fry baits, recovering physical conditions of fishes as soon as possible, and simultaneously improving concentration of water in the pond, has a heat preservation effect and can effectively prevent the huge influence of external changeable weathers, such as the unfavorable influence of cold spell in later spring to the fries. Fishes cultivated with the biological enzyme fish guano are natural and ecological, and have long freshness retaining period, natural taste, wild forms, high yield and delicious flesh.

The invention relates to a high-calcium freshwater fish ball and a preparation method of the high-calcium freshwater fish ball, belonging to the technical field of the processing and the producing of food. The minced fillet and the fishbone mud are taken as raw materials. The preparation method comprises the following steps of: adding shop fat with a certain quantity and the other auxiliary materials, chopping in a mixing way, forming fish ball, curing fish ball and the like. On the basis that the peculiar taste of the fish ball is guaranteed, the high-calcium freshwater fish ball provided by the invention is rich in elasticity, and has the loose, soft, fine and smooth mouth feel when being eaten, and the pursuing of modern people to nutrition health can be met. The problems that the calcium is sufficiently ingested by people, and the problem that the fish bone generated when the freshwater is deeply processed is not well used in the prior art can be solved, the additional value of the fish bone can be improved, a feasible technical scheme can be provided for the treatment of the fish bone, and the considerable economic benefit can be brought to the enterprises.