1720 results about "Larva" patented technology

The invention discloses a high-activity antibacterial peptide-containing matrix for garden seedling cultivation, as well as a preparation method and application thereof. The high-activity antibacterial peptide-containing matrix for garden seedling cultivation is prepared from the following components: Chinese medicament residues, organic additives, inorganic additives, microbial blends, housefly larva excrement, functional microbes and a water retention agent, wherein the functional microbes have the effects of activating matrix nutrition, exogenously fixing nitrogen, antagonizing pathogenic microorganism, reinforcing absorbing capability of seedling roots to nutrition and promoting seedling growth. Furthermore, the matrix for garden seedling cultivation has comprehensive nutrient elements, stable performance, strong buffer capability, and good water and fertilizer retaining performance; and the preparation method has simple production process, short production period, wide sources and low cost of raw materials, no environmental pollution and convenience in large-scale commercial production. The matrix for garden seedling cultivation can be used for raising and cultivating garden green seedlings, and can also be used for repairing and improving the ecological environment.

The present invention is artificial breeding method and incubator for Shatang carp. The artificial breeding method includes the steps of parent fish breeding, spawning and fertilization, hatching and carp fry culturing. After intensified parent fish breeding, temperature control, flow water stimulation and other method are taken to promote the synchronous spawning and fertilization of parent fishes, the fertilized eggs on tiles are sterilized and hatched in a special hatching device, and the hatched carp fries are cultured in a special cement pond. The artificial hatching device is one rectangular hatching tank with shield, ventilating water circulating pump, water level and water flow controlling mechanism. The technology of the present invention is suitable for large scale production of Shatang carp fry.

The adult river crab feed consists of fish meal, bean residue, corn powder, mineral salts, ink fish powder, betaine, fish oil, vitamines, eclosion hormone, adhesive and other material. Its production process includes weighing material, mixing, introducing steam, pellitizing, dewatering and cooling. It is delicious and water soaking resistant and suitable for feeding large-eye larva of river crab. Making river crab eat the feed can promote its growth and result in low feed coefficient.

The invention belongs to the field of feeds, specifically to a feed for grass carp. The feed for grass carp comprises the following components by weight: 10 to 40 parts of crude protein, 40 to 80 parts of corn gluten meal, 20 to 50 parts of peanut meal, 10 to 30 parts of vinasse, 1 to 4 parts of dicalcium phosphate, 5 to 15 parts of yeast powder, 1 to 5 parts of salt, 5 to 20 parts of a premix for grass carp, 2 to 8 parts of fish bone meal, 2 to 7 parts of an ecological preparation, 10 to 20 parts of cottonseed meal, 2 to 8 parts of housefly larva powder, 10 to 20 parts of wheat shorts, 2 to 7 parts of mineral elements, 2 to 9 parts of plant oil, 1 to 5 parts of a compound enzyme preparation, 1 to 4 parts of ferrous sulphate, 1 to 15 parts of tenebrio molitor, 5 to 15 parts of a Chinese herbal medicine additive and 2 to 8 parts of amino acid. Through feeding of grass carp with the grass carp feed containing plant extracts, feeds are saved, the quantity of reagents is reduced, feeding cost is lowered down, and grass carp breeding benefits are improved; the Chinese herbal medicine additive has a medicinal function, can improve immunity of grass carp, reduce generation of diseases in the process of breeding and decrease usage of medicaments and enables safe and reassuring grass carp to be produced.

The invention relates to a loach fry artificial breeding method which is characterized by including the steps of selecting healthy parental loaches above two winters old and conducting enrichment culture for 25-35 days; then conducting hybrid injection of HCG (human chorionic gonadotropin) and DOM (domperidone) for artificially hastening parturition; after 10-14 hours after parturition hastening, collecting fertilized eggs; and then conducting artificial incubation and larva breeding, thus obtaining the loach fry. In the invention, through the enrichment culture of the parental loaches, synchronous maturing is promoted and oogonium percentage is enhanced; with the parental loach parturition hastening technology, synchronous egg laying can be realized; with the hybrid injection method, the ovarian development and the egg laying effect of the loaches can be promoted, so that the synchronous egg laying rate of the parental loaches achieves 40%; and an inflation incubation way is adopted on the fertilized eggs, so that the incubation rate of the fertilized eggs can be greatly improved. Through enrichment culture, the survival rate of the loach fry can be enhanced remarkably.

The invention discloses a method for artificially breeding sepia lycidas gray, and the method is characterized by comprising the following steps of (1) parent breeding: selecting a harmless parent with complete body into a temporary culture cement tank to be temporarily cultivated, feeding the parent with chilled fishes twice a day, wherein the feeding quantity is 2 to 5 percent of the weight of the sepia lycidas gray; (2) artificial breeding: placing an egg attaching device inside the temporary culture cement tank, mating the male and the female parents to lay eggs, and then transferring the eggs into a hatching tank to be hatched; and (3) offspring breeding: transferring the hatched seedlings into a seedling tank, feeding fairy shrimp nauplius or copepoda in the early stage, feeding copepoda, opossum shrimp or larval prawn in the middle stage, and feeding fresh live fishes and small shrimps in the late stage, completing the breeding of the seedling when the length of the seedling is more than 2cm, the trunk length is more than 1.2cm, the trunk width is more than 0.9cm and the weight is more than 0.3g, and taking out the seedlings with water. The method has the advantages of high survival rate, easiness in cultivation, large cultivation specification, strong disease resistance and fast growth.

The invention discloses an industrial breeding technique of Penaeus vannamei, which adopts indoor industrial shrimp larva breeding. The technique adopts a high-density and systemically controlled-breeding condition breeding mode and constant-temperature dynamic water breeding, recycles breeding water, is high in yield and capable of strengthening artificial preventing and controlling effect on breeding diseases, reducing investment risks and improving economic benefits, contributes to the growth and reproduction of parent shrimps and improve the yield and quality of larvae.

The invention relates to a fingerling desalination method for the freshwater culture of a tiger prawn, in particular to the culturing of the seawater economic prawn in freshwater, belonging to the aquaculture technical field. The invention is characterized in that the method comprises the following technique steps: preparing a temporary prawn larva breeding pond; cleaning up the temporary prawn larva breeding pond; sterilizing the temporary prawn larva breeding pond; fertilizing; artificial oxygen increasing facility; the pond affusion and salinity regulating; temporary prawn larva breeding; prawn larva stocking and breeding; prawn larva desalting and salinity regulating; prawn larva cultivating; cleaning up a main breeding pond; communicating the main breeding pond and the temporary prawn larva breeding pond; the freshwater breeding of the prawn larva. The invention can prevent the prawn larva from dying resulted from the sudden change of an osmotic pressure after directly entering the freshwater through the desalting process during the temporary breeding period of the prawn larva, leading the tiger prawn to be able to grow from the seawater into the freshwater after artificial desalting and breeding, which is beneficial to reduce the incidence of the tiger prawn, improve the surviving rate of stocking and breeding of the prawn larva and increase the culturing yield.

The invention relates to a kitchen waste biological treatment system, and discloses an insect treatment system of kitchen waste. The insect treatment system of kitchen waste comprises a material receiving tank, a pretreatment device, a separation device, a stewing and squeezing device, a waste oil treatment device, a preservative device, an insect cleaning device and an insect drying device for processing collected insect larva further. The insect treatment system of kitchen waste, which is provided by the invention, is reasonable in structure, and the separated waste liquid part acts as a cleaning liquid for cleaning waste, so that not only can the waste liquid after fat separation be effectively applied to the operation process of the system, but also the waste liquid can be recycled, and the use efficiency of waste is improved greatly; meanwhile, multiple air blowing-air inducing mechanisms are adopted for cleaning the insect larva, so that an insect feed can be completely separated away from the insect larva, and thus the quality of the prepared insect larva can be improved, and moreover, insect excrement can be extracted individually to act as a biological fertilizer, and the actual use effect of the treatment system is improved.

The invention provides an original ecological beekeeping method and an original ecological beehive thereof which can provide honey for a plurality of times. The invention employs the original ecological beehive with movable covers on the top and the bottom and supporting strips at the middle part. Beekeeping and honey obtaining steps are that the following: 1. the bees are led to spit wax and make comb in the beehive in the state of standing stably; a honey storing area is arranged on the top of the comb, at the bottom of which is a breeding area; when the honey storing area is full, the covers are closed; then the honey is cut down and collected from the honey storing area, while the cutting operation can not exceed the supporting strips in the middle part; 2. after honey collection is finished, the body of the beehive is turned upside down; currently, the breeding area is at the upper part; after larva bee are out of the beehive, the breeding area is changed into a honey storing area which can store honey continuously; while the lower part is the cut original honey storing area, on which the bee can continuously spit wax and make comb to form a new breeding area; when the newly formed honey storing area is full and covered by the covers, the step 1 is repeated and the honey storing area is cut down to collect honey; 3. the step 2 is repeated.

The invention provides a high-efficient ecological seedling-raising method of blue crabs. The high-efficient ecological seedling-raising method comprises the following steps of: selecting parent crabs after artificial breeding, adopting circulating water to keep the water temperature in an overwintering pond, feeding clam worms, ruditapes philippinarum, squid and other baits for performing intensive culture on the parent crabs, utilizing a single-crab and single-pond mode to perform pond arrangement, and laying disinfection sea mud at the bottom of a larval rearing tank for simulating a sea natural ecological environment. By using the method disclosed by the invention, vertical transmission of diseases can be avoided, the use of coal is reduced, and energy conservation and emission reduction are realized; and the baits can be reasonably matched for promoting the healthy development of embryos, and self-mutilation of larvae can be reduced for improving the yield and the quality of seedlings. According to the method disclosed by the invention, the yield of the seedlings of the blue crabs can be improved by 30-50%, the outdoor farming survival rate can be improved by 10-15%, and the method can be widely applied to offshore sea waters and has significant economic benefits.

The invention relates to a method for producing male fish, wherein it comprises that: artificially inducing; artificially inducing the female and male fishes; artificial insemination; inverting hormone; feeding seed with Artemia which contains hormone; converting male into biological female; the female grows. The invention comprises sperm inactivation and female diploid generation, to generate ready male fish and normal female fish; crosses the male fish and female fish to obtain the full male fish; inverts the male fish into biological female fish to cross with male fish, to obtain the full super male fish.

The invention relates to a hatching device and method for demersal spawns of marine fishes. The hatching device comprises a net cage, a water channel, a bracket, a temperature controller indicator, a probe, a heating rod, a water inlet hose, a sinker, an air inlet hose, an air stone and an annular water injector, wherein the net cage and the bracket are located in the water channel; the net cage is bound on the bracket; the water inlet hose and the air inlet hose are located in the water channel outside the net cage; the upside of the net cage is provided with the annular water injector; and the probe and the heating rod are arranged in the water channel. The hatching method comprises the following steps of: controlling a hatching condition; hatching; carrying out microscopic examination observation; carrying out secondary water temperature controlling; managing routinely; collecting larva fish and the like. The hatching method has the advantages that spawn deposition is avoided because of conical point inflation; spawns adhered on net cage edges are washed at any time by the annular water injector; the net cage is conveniently replaced; the water temperature is stably controlled by an electric temperature controller; and the fresh water quality can be ensured due to water feeding and drainage modes of water feeding of the annular water injector at the upside and water feeding of the water channel at the bottom and overflowing of the periphery of the water channel. Therefore, by means of the hatching device and method, a hatching rate of the demersal spawns of the marine fishes in the industrial fry breeding is improved.

The invention discloses a penaeus monodon larva stage microparticle feed comprising protein source raw materials, fat source raw materials, sugar source raw materials, antioxidants, phagostimulant, multi vitamins and complex mineral salts. The feed can improve survival rate of penaeus monodon at a larva stage, enables the larvae to be produced fast and stable under water, and rapid in ingestion, has the advantages of being convenient to use and low in the pollution of the environment and the like, and solves the problems that current organism baits are unstable in quality and quantity, prawn slices on the market are unbalanced in nutrition, water contamination is too serious to control at a larva breeding stage and the like; accordingly, healthy development of penaeus monodon larva production and breeding is promoted, and the feed is of great significance.

The invention discloses a leech industrial soilless three-dimensional high-efficiency culture method. The leech industrial soilless three-dimensional high-efficiency culture method comprises the following steps of: a, building an industrial culture pond; b, cocoon production; c, incubation; d, larva culture; e, larva stocking; f, culture management; and g, finished product leech harvest, wherein multi-edge multi-angle three-dimensional environments are created in the culture pond; artificial soilless three-dimensional caves are provided; and a first-level platform, a second-level platform, a third-level platform and a deepwater region are provided. By the leech industrial soilless three-dimensional high-efficiency culture method, cost can be saved; the leech is wide-body golden-thread leech and the survival rate of the larvae reaches over 95 percent; the growth time is about 90 days from the larvae to the finished products and the growth time in the natural world is 180 days; density is increased due to three-dimensional culture; and the finished products can be cleaned and harvested conveniently.

The invention discloses a cultivation method of a novel strain of crassostrea gigas with a pure purple left shells. The cultivation method is characterized in that operation comprises the steps of: (1) seed production: selecting male and female individuals with pure purple left shells from a cultured group as cultivating parent shellfishes; performing one-to-one insemination and copulation, respectively marking breeding systems, cultivating larva by adopting strict isolation measures, and placing in a same sea area for intermediate culture and cultivation; breeding generation by generation to purify so as to form a family; and (2) purification of the novel strain: selecting inseparate families with character proportion of above 90% as parent shellfishes, performing seedling propagation so as to cultivate the novel strain of crassostrea gigas with the pure purple left shells and stable character. With the adoption of the cultivation method provided by the invention, the cultivating process of the novel strain is accelerated and transgenic and pharmaceutical treatment do not need to be carried out, the novel strain is cultivated, the additional value of product is also improved through color character, and the market sale price and income of cultivation enterprises and cultivators are increased, and market prospect is wide.

The invention provides an automatic monitoring forecasting system for the agriculture and forestry harmful pest situation. Due to an insect trap device, a rainwater isolating device, an insect dewatering and drying device, an insect image collecting device and an insect larva collecting device which are sequentially arranged from top to bottom, insect trapping, rain-proofing, dewatering, drying, image collecting and larva collecting are achieved, an environment information obtaining device obtains environment weather information of a monitoring region, a controller controls the insect trapping device, the rainwater isolating device, the insect dewatering and drying device, the insect image collecting device and the insect larva collecting device to be turned on or turned off according to the environment weather information; according to the image information, three-dimensional image rebuilding and image recognition are performed on insects; according to the image information and the environment weather information, the insect future occurrence tendency can be forecast. The pest varieties and numbers can be remotely recognized and counted in real time, the future pest situation occurrence tendency can be predicted in time, the technical requirement of personnel is lowered, and the pest control cost is lowered.

The invention discloses a device for separating hermetiaillucenslarvas. The device comprises a separation frame, wherein the bottom surface of the separation frame is provided with a conveying belt which can seal the bottom surface of the separation frame; the side wall of the separation frame along the output direction of the conveying belt is provided with a door which can be opened and closed; the lower part of the peripheral wall of the separation frame is provided with a heating plate; the heating plate is electrically connected with a temperature control device; and the upper part of the separation frame is also provided with a plurality of larva outlet holes. According to the device, the hermetiaillucenslarvas and residual wastes can be effectively separated, so that conditions are created for industrial breeding of the hermetiaillucens.

The invention provides a fully-artificial breeding method of parent crabs of Portunus trituberculatus, comprising the following steps of: selecting large female and male parents with good characters; artificially controlling the female and male parents to be mated; numbering the mated female crabs and then putting into an overwintering pond, wherein baits of an overwintering period are living clam worms; utilizing sand-filtered underground seawater and controlling the water temperature in a range of 8-10 DEG C to accelerate sexual glands to grow to be mature and ovulate; putting one parent crab with ova into a cage and then putting the cage into a breeding pond to ovulate larvae and breed in the May of the next year; culturing the larvae in one pond to the second phase of young crabs; then putting the young crabs into a cultivation pond to be cultivated, so as to realize the fully-artificial cultivation of the Portunus trituberculatus. According to the invention, the fights and injuries of male crabs are reduced and the parent breeding success rate is improved; the generation and the transmission of diseases are reduced, and the overwintering survival rate is improved; and meanwhile, the fully-artificial breeding method is also applicable to temporary cultivation of commodity crabs so that the marketing period of the commodity crabs is prolonged and the economic additional value of the cultivated crabs is improved; and the larvae are cultivated in one pond so that the fully-artificial breeding method is applicable to propagating of the population of the Portunus trituberculatus breeding population.

The invention discloses a method for breeding larva of lepidoptera insects indoor. The breeding box using in the method has no bottom, and the lower part of the inner wall of the breeding box is fixedly connected with at least two support blocks. A leaking frame is arranged on the support blocks, at least one fixing device of a cutting transplanting pipe is arranged on the leaking frame, and at least one cutting transplanting pipe is arranged in the fixing device of the cutting transplanting pipe. The lateral wall of the breeding box or the box cover is provided with at least one ventilating window. The leaking frame comprises a cross rod and a grid. The branches of the host plant are inserted in the cutting transplanting pipe, the leaves of the plant branches cannot touch the inner wall of the breeding box, and clean water or plant culture medium is put in the cutting transplanting pipe. The invention solves the technical problems that the larva difficultly eats food caused by disorderly climbing, and the larva groups are easy to crossly infect by pathogen caused by that excrement of the larva pollutes the leaves. The invention can adjust the temperature and the humidity in the breeding box, has long fresh keeping period, can conveniently change the branches and clean the box body, can easily disinfect, and has a simple and smart structure, low cost and little labour input, so it is suitable for breeding the larva of large insects indoor.

The invention relates to the field of Rapana venosa artificial breeding, in particular to a Rapana venosa ecological breeding method. The method comprises: transferring egg bags into a plastic basket or net cage (10-20mesh) for suspended hatch in a nursery pond and charging air continuously, wherein the density of the egg bags is 5,000 to 8,000 / m<3>; breeding larvae at a density of 1 / ml with bait made of chlamydomonas (diatom and tetraselmis are preferred) in an amount of 1.0 to 12.0*10<4> / ml every day at a water temperature of 22 to 26 DEG C; continuously charging air, changing 1 / 2 of water every day; and when the larvae grow three whorls to a size of 700 to 800 micrometers, placing the larvae in to 60-mesh net bags, cages or tanks together with double-shell spats (animal baits for transformed Rapana venosa) for sea breeding.

A housing has an upper and lower portion. Each portion has a recessed interior face, an exterior face and a periphery there around. The upper portion and the lower portion are coupled together with spacers. An aperture is provided between the upper and lower portions. A light source has an upper extent and a lower extent. The upper extent of the light source has a plurality of LEDs. The LEDs are positioned radially and are contained in a shield. The light source is adapted to be positioned such that the LEDs are in line with the aperture, the light source further having a power source with a heat source and bait.

The invention relates to a granular feed having an affinity to shrimps. It consists of elements as follows: (weight%) squids' viscus powder 3.0-28.0; whitefish powder 15.0-55.0; bran fodder for shrimps 1.0-10.0; wheat flour 10.0-25.0; special additive agent having an affinity for shimps 10.0-45.0; lipoid 0.2-2.5; fish oil 2.0-8.0; vitamine mixture 0.5-3.0; mineral salt compound 0.5-3.0; and calcium dihydrogen phosphate 0.2-2.0. Also chemical cure agent, immunologic stimulant and hormone are added. Said feed avoids shortcomings originated from fresh baits such as expensiveness, importing germsetc.

The present invention provides a method for preparing organic biological fertilizer and fly-maggot protein by using domestic muscidian larva to treat chicken manure. It includes the following procedures of fly culture, fly-blows production, fly-blows collection, fly-blows inoculation, chicken manure treatment, fly and maggot separation, processing biological fertilizer and processing fly-maggot protein, so that the odourless chicken manure biological fertilizer and fly-maggot protein product can be obtained.

The method of establishing bred prawn pedigree and selectively breeding improved prawn variety includes selecting 10-20 % parent prawn with strong activity, normal physical sign and weight 15-20 % over the average weight; separated breeding of mated female prawn in separate spawning pond, selecting individuals with high hatchability, continuous selection in breeding, establishing basic pedigree; and optimizing in three key growth periods of prawn including nauplius larva period, commercial prawn period and pre-maturation period. The said method of the present invention may be used in selectively breeding new prawn variety with high quality and high yield. The present invention makes it possible to research the genetic characteristic and variety differentiation of prawn via the mating between male and female prawns in the same pedigree and different pedigrees.

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 relates to the technical field of screening of animal species, in particular to a screening method for nicotine-resistant housefly species. The screening method comprises the steps that specific materials of a non-applicable fresh tobacco leaf formula are utilized to trap wild houseflies to come around to lay eggs, larvas of the wild houseflies are cultivated to a mature state, and the housefly species resistant to nicotine are screened according to growth and development indexes of the larvas. According to the screening method, the specific materials of the trapping formula are utilized, and therefore the housefly species effectively resistant to the nicotine can be screened out.

A method for culturing the larvae of triverrucous portunid in outdoor pond includes such steps as providing male parent portunid and female parent portunid, indoor culture at 12-18 deg.C by feeding living clam worm, oxytocia, incubation, and culturing larvae in an artificial ocean environment by feeding living bait and building hidden caves for preventing the mutual damage between larvae.

The invention provides an industrial shrimp larva breeding mode capable of improving production benefits and market benefits of larva breeding, which is characterized in that: (1) a breeding device consists of a constant temperature heating device, a hatching pond and larva breeding ponds; (2) multiple stages of high-low serially connected larva breeding ponds are communicated by transfer pipes; (3) water inlet pipe of the hatching pond reaches the bottom of the hatching pond from the center of the hatching pond, and the upper end of the water inlet pipe is connected with the constant temperature heating device; (4) after being hatched in the hatching pond, larvae enter a next stage of larva breeding pond through a communicating pipe with water flow till the larvae are well gown; (5) eachstage of larva breeding pond is provided with a water injection pipe; (6) circulating water of all stages gathers in a return pipe, is processed in a sterilizing pond and circulate to the constant heating device again. The high-density and systemically controlled-breeding condition industrial shrimp larva breeding mode has the advantages of water conservation, small floor area occupation, high breeding efficiency, light environmental pollution and the like and greatly improves the production benefits and market benefits of larva breeding.