794 results about "Fish species" patented technology

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 method of industrial and artificial breeding of Epinephelus, which is applicable to the breeding of Epinephelus malabaricus and E.coioides. The method comprises the following steps: (1) treating a nursery pond and water; (2) preparing before breeding; (3) putting larval fishes of Epinephelus or germ cells; (4) controlling the quality of the breeding water body; and (5) feeding baits. The method is applied to conduct the industrial and artificial breeding, so that the water quality of the breeding is stable, the output for the unit water body breeding is high, the bred sizes of advanced fries are uniform, no antibacterial drugs are used, no special breeding is conducted to unicellular alga, no bottom-attaching happens in the process of breeding, and the operation is simple.

The invention relates to a method of culturing Erythroculter ilishaeformis adult fishes. The method comprises the following steps: stocking the fish fries of Erythroculter ilishaeformis adult fishes in the water area of 5-10 mu with the density being 800-1000 /mu, and the specification of the fish fry stocking being 15-18 cm; providing a clean pond, rich water, water quality management, and the feeding of fish meals; controlling the water environment and the disease occurrences in the culturing process; and obtaining the Erythroculter ilishaeformis adult fishes with the average weight being 0.50kg/tail after one year of culture. Compared with the other inorganic and organic water fertilizing methods, the invention adopts the fertilizing method of using the zymotechnics of multiplicity of microbe groups, so as to reduce the pollution to the feeding environment of the pond by fertilizer water and achieve the purpose of emission reduction. In addition, photosynthetic bacteria are poured after the second day of the water fertilizing, so as to further increase the content of the photosynthetic bacteria in the pond, thus being favorable to the culturing of food organisms, decreasing the number of pathogens, and reducing the occurrence of various diseases.

The invention relates to a culture pond, belongs to the field of pond culture engineering and provides a culture pond system capable of improving energy efficiency. The culture pond system is characterized in that predacious fish and filter-feeding and omnivorous fish are cultured in one pond separately, a flowing water culture pond area for culturing the predacious fish of different specifications is constructed on 20% of the water surface of the pond, and 80% of the water surface of the pond is a filter-feeding and omnivorous fish culture area; the flowing water culture pond area is composed of multiple rows of fish ponds arranged centralizedly, each row of fish ponds forms a culture unit via fish ponds of three specifications, and the fish ponds of the three specifications are a corner-cut square adult fish culture pond, a rectangular large-size fingerling culture pond and a small-size fingerling culture pond respectively; a water turbine is mounted on one side of the flowing water culture pond area, a surge disturbance machine is mounted at the water collection end of the flowing water culture pond area, and a sewage collection and discharge pipe is mounted on the outer side of each adult fish pond; partition walls are arranged in the middles of the flowing water culture pond area and the filter-feeding and omnivorous fish culture pond area, water flow passages are arranged on two sides of each partition wall, and the partition walls and guide walls arranged in the middle of the filter-feeding and omnivorous fish culture pond area guide water flow together.

The invention discloses an ecological fish farming method in a rice field, which comprises the following steps of rice field preparation, rice field transformation, fish farming facility preparation, rice seedling transplantation, biosorption, rice field disinfection, irrigation, fertilization, stocking fish seed selection, stocking fish fry disinfection, stocking and feeding management, wherein annular field fish ditches dug through the rice field transformation are V-shaped ditches arranged on the inner sides of ridges around the rice field; the biosorption utilizes a biosorption agent to adsorb heavy metal in rice field soil and irrigation water; and stocking fish seeds are selected from eight-beard catfishes. The invention further discloses rice produced by rice plants planted in the rice field using the ecological fish farming method. According to the method and the rice, an effective usable area of the rice field is increased significantly; pollution of the heavy metal such as lead and cadmium is reduced; integral benefits of fish farming in the rice field are improved; the ecological rice contains rich protein, more microelements such as iron, magnesium and calcium, and vitamin C, has no chemical pesticide residual, and is green and environment-friendly; and the content of the heavy metal such as lead and cadmium is very low.

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.

The invention relates to a feed combined feeding method for carp culture, and belongs to the technical field of aquaculture. According to the feed combined feeding method for the carp culture, a fingerling period feed and an adulthood period feed are poured during a fingerling period and an adulthood period of carp respectively, and the use amount ratio of the fingerling period feed to the adulthood period feed is (2-4) to (6-8). According to the feed combined feeding method for the carp culture, the fingerling period feed and the adulthood period feed are prepared respectively with regard to different growth phases, and the two kinds of feeds are used together in a specific ratio, and thus the utilization rates of the feeds is increased, the cost of the feeds is reduced, the growth speed of carp is increased, the freshness of a culture water quality is ensured, and culture benefits are increased.

The invention discloses a mullet culture method, and belongs to the field of culture. The mullet culture method comprises the following steps that S101, a culture farm is prepared; S102, fingerling is bred; S103, bait is fed; S104, daily management is performed; and S105, disease control is performed. The mullet culture method is applicable to large-scale mullet culture; mullet is high in growth rate and disease resistance; the cultured mullet is high in quality; and an economic benefit is improved significantly.

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.

The invention relates to a fishway inlet system luring grass carp, a design method of the fishway inlet system luring the grass carp and a fish luring flow speed calibration device. The fishway inlet system luring the grass carp comprises a fishway arranged in the flow direction of a river and a fishway inlet of the fishway. One side of the fishway and one side of the fishway inlet are close to the river bank on one side of the river. The other sides of the fishway and the fishway inlet are provided with a fish luring water flow channel and a fish luring water flow channel water outlet, wherein the fish luring water flow channel and the fish luring water flow channel water outlet are identical with the fishway and the fishway inlet in direction. According to the fishway inlet system luring the grass carp, the design method of the fishway inlet system luring the grass carp and the fish luring flow speed calibration device, only one stream of fish luring water flow needs to be arranged, and a water flow condition of luring fishes can be created through cooperation of the fish luring water flow and the fishway water flow. Only two water flow parameters need to be calibrated and are the optimum flow speed of the fishway inlet and the optimum rate of the flow speed of the fish luring water flow channel water outlet to the flow speed of the fishway inlet. Compared with other water flow fish luring methods, the two water flow parameter values are definitely provided. The fishway inlet is simple in water flow form and small in project amount. The design method of the fishway inlet system luring the grass carp can be not only directly used for hydraulic design of the fishway inlet for the grass carp but also conveniently popularized to design of fish luring water flows of fishway inlets for other fishes.

The invention provides an industrial loach breeding and fry culturing method and belongs to the field of aquaculture. The method includes industrial breeding and fry culturing workshop construction and a specific breeding and fry culturing method. The specific breeding and fry culturing method includes: arranging bi-layer open net cages in a cement pool in a breeding workshop, wherein inner net cages are rutting and spawning places for parents, and outer net cages receive eggs concentratedly; and arranging a plurality of open foam boxes in a hatching and fry culturing workshop, placing the eggs into the foam boxes after counting, feeding loach fries by micro initial feed after hatching to fries to enable the loach fries to live through an initial critical period to become strong fries, and selling the fries or placing the fries into a pond for large-scale fingerling rearing. A workshop production process is adopted, breeding and hatching and fry culturing environments are guaranteed effectively, operation is facilitated, working efficiency is high, fecundity can be measured accurately, fertilization rate reaches above 98%, hatching rate basically reaches 100%, fry survival rate basically reaches 100%, and survival rate of large-scale fingerling rearing by placing the strong fries into the pond reaches above 50%.

The invention discloses an artificial breeding method for siganus oramin. Siganus canaliculatus and Siganus fuscesens are common fish stocks of Siganus, the physiological characters, reproductive habits and the breeding methods of the Siganus canaliculatus and Sigauns fuscesens are more similar, the problems that the source and domestication are difficult, newly hatched individuals are small in body size, the death rate caused by strong irritability of larva is high, a systematic artificial breeding technique is in shortage, the breeding offspring seeds are mainly from natural seedlings captured from ocean, and the like exist in the artificial breeding process. The artificial breeding method adopts the technical measures of parent fish culturing, cultivation, artificial spawning and incubation, larva cultivation pool preparation, cultivation water quality conditioning, staged bait feeding and juvenile fish transportation, so that the industrialization production of parent fish supply and seedling culture is realized, and the technical problems of artificial spawning and incubation of parent fish, selection and enrichment of larvae bait, water quality regulation and control, larva transportation and the like in the artificial breeding process of Siganus canaliculatus and Siganus fuscesens are systemically solved. The spawning rate of the cultivated parent fish can reach more than 65 percent, the average spawning fertility rate can reach more than 85 percent, and the survival rate of artificial breeding is 10.7 percent-27 percent.

The invention discloses a method for large-scale breeding of large-standard mandarin fish fingerling. The method comprises the steps of 1 pool selection, 2 pool cleaning and disinfection, 3 forage fish breeding, 4 mandarin fish fry and large-scale fingerling breeding, 5 released density determination, 6 forage fish feeding, 7 water quality management and 8 disease control. The method is easy and convenient to operate, simple in device, easy to manage and high in fingerling survival rate. The method takes the lead in successfully breaking through a key of a large-scale mandarin fish fingerling technology at home and abroad, natural bait breeding through fertilizer controlled-release bags and manual bait domestication is used in cooperation for feeding are creatively and successfully achieved in the aspects of fingerling breeding, bait feeding and the like, the blank of domestic large-scale mandarin fish fingerling breeding in a pool is filled, the survival rate of the fingerling is over 80%, the water quality of the pool is kept good, most effective practical measures and means are created for thorough development of mandarin fish serving as a famous excellent breeding breed, and the method has the great social benefit and economic benefit.

The invention relates to a conjoint analysis method for estimating the DNA abundance of fishes based on an environment DNA technology. The conjoint analysis method includes the steps that the total DNA abundance of the fishes is acquired through timed and quantified PCR; the species composition proportion of the fishes is acquired through 454 GS-FLX Titanium sequencing analysis; conjoint analysis of target species is performed through sequencing data and timed and quantified PCR data; a relative distribution diagram of mitochondrial DNA of the fishes in an environment is drawn through sufer 8.0 software. Based on the environment DNA identification technology, weather species exist and how many species exist can be analyzed just by collecting water samples without depending on fish species capturing, a sampling method is simple, and fish resources can be protected to the maximum degree; meanwhile, for some species which are rarely distributed and difficult to capture, the method is still more effective than traditional fishing investigation, the method can effectively solve the problem that effective species specificity primers are difficult to obtain when multiple closely related species exist in samples, and NDA abundance information of all species can be known just by conducting experiment once respectively through the two technologies.

A distant hydridization method between the subfamilies of cyprinid includes chealth eugamic male and female parents catalyzing female, artificial fertilization, incubation and naturalizing to obtain to descendant with strong bionergy. Its advantages are high disease resistance, high survival rate and high growth speed.

The invention relates to a method for cultivating glyptosternum maculatum fries and fingerlings through artificial feed. In an indoor cement pool, clean water resources from rivers are utilized, micro water flow is controlled through manpower, manual mixed feed is provided for feeding, and fries hatched from germ cells are cultivated to fingerlings 3cm in length. The rate of survival of the glyptosternum maculatum fries which live for 2-3 days to be fingerlings which are 3cm long is more than 80%.

The invention provides a manual schizothorax griseus pellegrin breeding method and belongs to the technical field of wild fish domestication and breeding, freshwater aquaculture and fish genetics-breeding. The manual schizothorax griseus pellegrin breeding method includes the following steps that 1, parent fish are caught and domesticated; 2, cultivation and spawning induction are conducted on the parent fish; 3, artificial insemination and egg hatching are conducted; 4, fry rearing is conducted. The manual schizothorax griseus pellegrin breeding method has the advantages that no report on the manual schizothorax griseus pellegrin breeding method exists in documents disclosed both home and abroad; the breeding method is scientific and reasonable, the rate of fertilization and the hatching rate of fries are higher and reach 98.6% and 91.2% respectively; the problem that no fry and fingerling exist for wild schizothorax griseus pellegrin resources is solved through manual recovery and supplement; the problem that no fry is supplied in the manual schizothorax griseus pellegrin breeding process is solved.

The invention discloses a full-artificial breeding method for megalonibea fusca. The method comprises the following steps of: getting parent fish seeds from natural sea areas; carrying out reinforced breeding on parent fish; carrying out artificial spawning on the parent fish; carrying out hatching on fertile eggs; carrying out indoor artificial cultivation on juvenile fish; carrying out indoor nutrition strengthening cultivation on the juvenile fish in an alevin stage; carrying out ecological breeding on the alevin which are moved into an earthen pond after the alevin stage; and breeding thealevin into large-size seedlings, and the like. The full-artificial breeding method provided by the invention is a mode applicable to the large-scale production of megalonibea fusca fries. After carrying out three-year cultivation on first-generation juvenile fish which is successfully artificially bred, sexually-matured first-filial-generation parent fish is cultivated, and then second-generation juvenile fish is bred from the first-filial-generation parent fish, thereby achieving the full-artificial breeding. The full-artificial breeding method breaks through the bottleneck that because themegalonibea fusca belongs to endangered fish species, parent fish sources are extremely difficult, and realizes the large-scale artificial breeding and culturing industrialization of the megalonibea fusca.

The invention discloses an artificial breeding method for Epinephelus tukula. The method comprises the following steps: (1) selecting parents; (2) culturing the parents in a pond; (3) culturing parent fishes in an anestrous season; (4) performing strengthening cultivation before reproduction; (5) performing artificial reproduction; (6) collecting and treating oosperm; (7) hatching the oosperm. Through parent culture of the Epinephelus tukula, parent fishes are made to lay eggs, and the oosperms are used to hatch fries, and the fries are cultured into fingerlings for breeding. The method provides a reasonable solution which is high in hatching rate for developing cultivation of Epinephelus tukula in a large-scale manner.

The invention provides a cultivation method for purifying water and increasing the growth rate of fish fries, fish fingerling and adult fishes, and a six-level water processing method. By utilizing the appropriate ecological microorganism, the functions of regulating the water quality, purifying the water source and providing fish bait are played in the important period of different stages for the fish incubation, the fish fry growth, the fish fingerling cultivation and the adult fish growth. The fish growth rate is increased, the probability of the fish disease occurring is reduced, and therefore the production efficiency for the fish cultivation is improved.