114results about How to "Promote hatching" patented technology

The invention discloses a fish nest used for breeding loach artificially, which comprises a pot with an opening at the top and palm barks. The pot has a double-layer structure, a separation net with 10 to 15mm of meshes is fixedly arranged between an upper layer and a lower layer, and the middle part of the upper surface of the separation net is provided with an inducing fish nest. The palm barks are laid on the inducing fish nest. The lower layer of the pot is provided with an egg-collecting bed with mesh holes which are less than or equal to 120 meshes, and the area of the egg-collecting bed is larger than 90 percent of the area of the pot bottom. At least a net piece at one lateral side of the lower layer of the pot is connected with a pot body in demountable form. The fish nest of the invention can effectively prevent parent fishes from swallowing germ cells, and the egg grain at the bottom of the pot can also be collected, which further improves the hatch rate of the germ cells, improves the breeding quantity of unit parent fish, thus being convenient for using and having good application prospect.

The invention discloses a terrapin hatching device which comprises a tank, a hydrophobic layer, a fine sand layer and a soft covering layer, wherein the hydrophobic layer is arranged on the bottommost side in the tank; the fine sand layer is located on the upper side of the hydrophobic layer; the soft covering layer is located on the upper side of the fine sand layer, and a ventilation cavity is formed in the upper side of the soft covering layer; air vents are formed in the tank and correspond to the ventilation cavity; a top cover is buckled at the top of the tank; one side of the bottom of the tank extends outwards to form an opening groove; the hydrophobic layer penetrates through the side wall of the bottom of the tank and continuously extends to the bottom of the opening groove; and a warm water supply pipe is arranged on the upper side of the opening groove, and a drainage channel communicated with the tank is formed in the side opposite to the opening groove. The terrapin hatching device provides a hatching environment for hatching of terrapin spawn, and a hatching tank can be naturally infiltrated and moistened, keep constant temperature and provide heat, and is naturally soft and permeable.

The invention discloses a process for hatching glutinous gamogenetic egg fish fry comprising the steps of parent fish culturing, birth facilitating, semination and incubation, which is characterized in that the fertilized ovum is spread onto the net sheets on the ovum spreading pond, after the fertilized ovum is fixed on the net sheets, it is charged into incubation pool for hatching. The invention can result in higher adhesive strength for the fertilized ovum.

The invention discloses an artificial breeding method for oplegnathus punctatus, and relates to the technical field of fish aquatic organism culture in aquaculture. The method comprises the steps of nursery pond water quality condition control, fertilized egg feeding into a pond, fry breeding and feeding management, water quality management during the fry breeding and feeding period, seedling pond division, seedling emergence and the like. Compared with the prior art, an incubation tank special for artificial breeding is designed, nursery pond water inflowing and drainage and oxygenation facilities are improved, the nursery pond water quality conditions are strictly controlled, scientific and reasonable bait casting and operation management are carried out in different stages of fry breeding of the oplegnathus punctatus, the mixed feed casting mode is improved, and the stable high yield of artificial breeding of the oplegnathus punctatus is achieved.

The invention discloses an artificial breeding method for Trochus niloticus. According to the artificial breeding method, a large number of Trochus niloticus larvae are bred by the steps of preparation of an attachment medium growing with benthic diatom, collection and incubation of fertilized ova and breeding management. A spawning incubation pond and a breeding pond are integrated into a whole,so that the injury to ova and larvae in the collection process is reduced, and the incubation is promoted. Meanwhile, by taking an outdoor pond as the breeding pond, the illumination requirements of diatom in the pond can be guaranteed, the continuous growth of bait in the breeding pond is promoted, and the natural feeding of the bait is increased, so that the pond transfer number of times is reduced. The method can be applied to the large-scale artificial breeding of Trochus niloticus, the breeding success rate can be guaranteed, and the operation is simple and convenient.

The invention relates to the technical field of home textiles, in particular to a simple newly-hatched silkworm brushing off method for silkworm artificial feed breeding. The simple newly-hatched silkworm brushing off method for silkworm artificial feed breeding comprises the following steps of (1) silkworm egg incubation; (2) silkworm egg scattering and disinfecting; (3) egg amount weighing and zoning; (4) feed treatment; (5), light sensing for newly-hatched silkworm brushing off; and (6) light supplementing and temperatuer rising. On the basis of feed breeding, starting from each technical link of newly-hatched silkworm brushing off according to physiological development characteristics of silkworms, by combining manners of optimizing temperature and humidity control, feed pretreatment,light supplement and temperature supplement in each stage of loose egg incubation, directly scattering loose eggs on the feed during artificial feed breeding, irradiating with an LED yellow warm lightlamp and the like, the method achieves the effects of one-time quick, labor-saving and efficient newly-hatched silkworm brushing off, is suitable for mechanical newly-hatched silkworm brushing off, and provides technical support for large-scale young silkworm artificial feed breeding.

The present invention discloses a temperature and humidity control method of trionyx sinensis incubation room. The temperature and humidity control method comprises the following control steps: (1) providing a heating apparatus, a humidifying apparatus and a ventilation apparatus in the incubation room, and providing a water sprayiing apparatus at the roof of the incubation room; and (2) by virtue of a signal collected by the temperature sensor and humidity sensor provided in the incubation room, controlling the temperature of the incubation room at 28-30 DEG C and the humidity at 78%-85% by controlling the heating apparatus, the humidifying apparatus, the ventilation apparatus and the water spraying apparatus. According to the temperature and humidity control method of trionyx sinensis incubation room disclosed by the invention, after trionyx sinensis eggs in a trionyx sinensis pond are collected in a unified mode, the method is utilized to perform incubation; and the method has characteristics of a high incubation rate and short incubation time.

The invention discloses a flexible floating fish reef for fish spawning and conservation and belongs to the technical field of marine ecological restoration. The flexible floating fish reef for fish spawning and conservation comprises a buoyancy assembly and a balance weight body; a rotating assembly capable of rotating is assembled in the buoyancy assembly, the balance weight body is arranged below the buoyancy assembly and connected to a lower floating ring of the buoyancy assembly through a rope body, and at least three rolling bodies are arranged between the rotating assembly and the buoyancy assembly on the same horizontal surface; the rotating assembly and the buoyancy assembly are provided with a first annular groove and a second annular groove which are used for limiting the vertical movement distances of the rolling bodies respectively, and the rolling bodies can roll in the first annular groove and the second annular groove. The flexible floating fish reef can resist different water flow impacts and is high in stability in water, the adhesion rate of fish eggs is high, the fish eggs are unlikely to fall off, and a good protection effect on fishes is achieved.

Embodiments of the invention provide a shelter with a ventilated storm window that can be affixed to an exterior wall of the shelter. The ventilated storm window can enable shelter occupants to safely view areas outside of the shelter. The ventilated storm window can also improve air circulation compared to roof-mounted ventilation schemes. Embodiments of the invention may also include a shelter with an improved hatch that can be mounted on a roof of the shelter. The hatch may be configured to withstand storm-force winds and torrential rains.

The present inventive disclosure is generally directed to a biodegradable device that can house multiple worm-cocoon capsules, as well as an effective amount of shredded organic fibrous materials (such as coir fiber or shredded paper) that is infused with hormones, nutrients, and / or amino acids that are beneficial to earthworms. In some embodiments, these devices are referred to as “Worm Bombs™”, which are planted at effective intervals in gardens and / or compost heaps, leading to stable and vigorous earthworm populations and softened, nutrient-rich soil that is ideal for growing. It is known in the art that earthworm biomass production can be significantly enhanced with the introduction of growth hormones, which inter alia, increases the efficiency of waste conversion of worms.

The invention discloses a locust feeding device, aiming at solving the problems that foods and excrement are inconvenient to clean when locusts are fed and also solving the problem that the survival rate of ova is not high. The locust feeding device comprises a feeding chamber and a spawning chamber, wherein a feeding groove is formed in a side wall of the feeding chamber and a feeding trough penetrates through the side wall of the feeding chamber; a long-strip-shaped first groove is formed in the bottom of the feeding trough; a bulge which is adaptive to the first groove is arranged on the side wall of the feeding chamber; the bulge is located in the first groove and can slide along the first groove; one layer of first gauze is arranged between the side wall of the feeding chamber and the side wall on the outermost side of the feeding trough and is used for preventing locusts from flying out in a feed adding process; the spawning chamber is arranged on one side wall of the feeding chamber; the spawning chamber penetrates through the side wall of the feeding chamber; when the locusts are at an adult stage, the spawning chamber is pushed into the feeding chamber; and after locust spawns are hatched, the spawning chamber is pulled into the feeding chamber. The device disclosed by the invention is convenient for feeding and can be used for improving the survival rate of the spawns.

The invention relates to the field of production of aquaculture live fodder, and provides a hatching culture medium of artemia cysts hatched by fairy shrimps, and provides a preparation method and applications of the hatching culture medium of artemia cysts. The preparation method comprises the following processing steps: (1) dissolving 20-30 parts of NaCl, 15-20 parts of KCl, 30-40 parts of MgSO4, and 10-15 parts of SrCl2 in 1000 parts of H2O, uniformly stirring, to obtain a mixed liquor; (2) disinfecting; (3) adding 0.1-0.2 parts of glucose, 0.05-0.08 parts of glucose oxidase, stirring to dissolve; (4) adding vitamin C and tea polyphenol, uniformly stirring; (5) centrifuging and taking clear liquid; (6) adding H2O2 in the clear liquid, to obtain a culture medium, and rapidly transferring the culture medium in a closed transparent container.

The invention relates to an online hardware closed-loop network source coordination linear active-disturbance-rejection control method, and the method comprises the steps: taking LABVIEW as a development environment, and building a coordination control algorithm library comprising the LADRC (linear active disturbance rejection control); taking an NI Compact RIO controller as a carrier, replacing a conventional PID control module through the LADRC based on the coordination control algorithm library, and building a network source coordination LADRC strategy which takes an energy balance signal as a feedforward signal. The method employs the LADRC to replace a conventional PID control module, can achieve a purpose of no static error through an ESO expanded observer of the LADRC through an integration element, avoids the side effect of integral feedback, does not depend on a specific mathematic model of a controlled system, is stronger in capability of resisting internal and external interferences, improves the adaptability and disturbance resistance of a network source coordination control strategy of an internal source side of an ultra-high voltage grid, enables the whole system to be good in robustness and adaptability in a network source coordination work section, is simple, and is more convenient for engineering application.

The invention relates to poultry incubating equipment, in particular to an incubator with a power failure emergency function. The incubator with the power failure emergency function comprises a box body and a box door, wherein each side of the box body is made of heat insulation panels, the box door is arranged at one side surface of the box body, the upper part of the box door is provided with an observation window, the lower part of the box door is provided with an air window, the incubator also comprises a heating part, the heating part is arranged inside the box body for generating heat to further maintain a certain temperature in the incubator so that hatching eggs can be hatched, and the incubator also comprises a powerless ventilation ball arranged on the top of the box body. When a power failure or incubator circuit fault occurs, the powerless ventilation ball is used for enhancing continuously ascending hot air to be exhausted out of the box body, the air circulation in the incubator is maintained, and the hatching egg death caused by local overtemperature due to the heat concentration on the top of the incubator is avoided.

The invention provides a method for restoration and reconstruction of a sediment habitat of spawning grounds of salmon in natural rivers, and relates to a method for ecological restoration and reconstruction of the sediment in the spawning grounds. According to the method for the restoration and reconstruction of the sediment habitat of the spawning grounds of the salmon in the natural rivers, theproblem that the spawning grounds in the distribution area of salmon are not suitable for spawning and hatching of salmons under the influence of the natural evolution and human activities can be solved. The method for the restoration and reconstruction of the sediment habitat of the spawning grounds of the salmon in the natural rivers comprises the steps that the river basin ecological environment and the river bed topography in salmon spawning rivers are investigated; a river area with suitable water quality and abundant groundwater is chosen for the sediment habitat observation; historicaloriginal pebbles or gravel (hereinafter referred to as gravel)river beds are selected; the sediment composition is analyzed; the restoration method is worked out based on the sediment conditions; andthe sediment gravel for duplicate plough or repavemnet is used to improve the sediment habitat of the spawning grounds. The method for the restoration and reconstruction of sediment habitat of spawning grounds of salmon in natural rivers comprises can be applied to the field of ecological restoration.

The invention relates to a method of producing an influenza virus H5 polypeptide in a plant comprising the steps of cloning an influenza H5 gene or nucleic acid encoding its functional equivalent into a vector adapted to target components present in the plant, infiltrating at least a portion of the plant with the vector or transforming plant tissue with the vector so as to transiently express the influenza virus H5 polypeptide, and / or to create a transgenic plant; and recover the influenza virus H5 polypeptide expressed by the plant. The invention further relates to vectors, transgenic plants or parts thereof and the progeny of such plants used in or which come about as a result of the method.

The invention discloses a pretreatment method for efficiently improving ova hatching rate in a good year, and belongs to the technical field of aquaculture. The method includes steps of mixing bleaching water with a certain concentration and a certain quantity of tablet sodium hydroxide according to a certain ratio, and preparing to be a mixed solution; then stirring the mixed solution until the sodium hydroxide is completely dissolved, and then adding to the ova in good year after being soaked in fresh water; stirring while controlling temperature through adding trash ice; through this process, completely oxidizing and removing the outer shell of the ova in good year; after cleaning, adding to a seawater hatching pond to hatch; the ova in good year after being treated by the pretreatment method only has an embryo coated by a hatching film for being free from the binding of the outer shell, therefore, it is easier to hatch the nauplius; the hatching rate and the hatching speed are obviously improved.

The invention relates to the technical field of earthworm egg cocoon storage, in particular to a protective solution for earthworm egg cocoon storage. The protective solution is prepared through the following steps: A, a phosphate buffer with PH being 6.8-7.6 is prepared; B, 5%-15% of glycerin, 5%-15% of polysucrose and 0-30% of PVP (polyvinylpyrrolidone) are added to the phosphate buffer in the step A, the phosphate buffer is taken as a standard for the adding amounts of the three components, glycerin is added by volume, and polysucrose and PVP are added by massic volume. Therefore, earthworm egg cocoons are soaked in the protective solution which is prepared from the phosphate buffer by adding glycerin, polysucrose and PVP in specific concentration to the phosphate buffer and uniformly mixing the components, or the protective solution is sprayed to the surfaces of the earthworm egg cocoons, and the earthworm egg cocoons can be dehydrated slowly and stored in a low-temperature environment for a long time. When placed in an environment with proper conditions, the earthworm egg cocoons can hatch rapidly and the hatching rate is high. The protective solution is applicable to fields of earthworm egg cocoon storage and transportation, bio-fertilizer, soil improvement and the like.

The invention discloses an anser cygnoides high hatching rate hatching method comprising the following steps: 1, hatching egg disinfection; 2, hatching medium preparation; 3, hatching egg incubation; 4, hatching egg spawned. The hatching method can carry out scientific, reasonable and refinement management for hatching conditions of the hatching eggs, can comply with the anser cygnoides hatching egg hatching rules, thus obviously improving hatching rate, and the final hatching rate can be above 94%; the hatched young ansers are strong in body, and active in spirit.

The invention provides a semiconductor structure forming method, which comprises the steps of providing a semiconductor substrate, wherein the semiconductor substrate is provided with a pseudo gate structure; forming a dielectric layer for covering the semiconductor substrate and the sidewalls of the pseudo gate structure, wherein the surface of the dielectric layer is in flush with the top surface of the pseudo gate structure; removing the pseudo gate structure to form a groove; forming a high-k gate dielectric material layer on the sidewall and the bottom of the groove and the surface of the dielectric layer; forming an aluminum-titanium nucleating layer on the high-k gate dielectric material layer, wherein the content of titanium atoms in the aluminum-titanium nucleating layer is larger than that of aluminum atoms in the aluminum-titanium nucleating layer; forming an aluminum-titanium body layer on the aluminum-titanium nucleating layer, wherein the content of titanium atoms in the aluminum-titanium body layer is smaller than that of aluminum atoms in the aluminum-titanium body layer; forming a work function material layer by the aluminum-titanium nucleating layer and the aluminum-titanium body layer; forming a metal layer on the aluminum-titanium body layer, and fully filling the groove by the metal layer. The surface flatness of the work function material layer is improved.

The present invention discloses a preparation method of a parental fish feed containing spirulina platensis powder. Dry materials and wet materials are firstly separately prepared and then mixed at a ratio of 7: 3. The dry materials contain the following components at the following ratio: 80-95 parts of pre-gelatinized starch, 5-15 parts of spirulina platensis powder, 0.3-0.9 g / t of selenium yeast powder, 0.1-0.3 part of composite additive, 30-50 g / t of choline chloride, and 80-100 g / t of bile acids; and the mixed mode follows the principle of progressively enlarging, and small materials are mixed evenly with large materials to conduct progressively enlarging. The composition ratios of the wet materials are as follows: pig afterbirths 30-40 parts, fresh earthworms 3-9 parts, fresh coarse fish 50-70 parts, and the wet materials are prepared by being mixed and minced together. The parental fish feed has simple and easy-to-get raw materials, and cheap price, is nutritionally balanced, has high protein content, and can enhance the gonadal development of the parental fish, enhance the quality of gametes, and ultimately improve the reproduction rate and quality.

The invention relates to the field of cuttlefish seedling raising breeding, in particular to a seedling breeding method of pharaoh cuttlefish. The method comprises the steps of 1) construction of a spawning breeding pond; 2) optimization of the spawning breeding pond; 3) putting of pharaoh cuttlefish parents; 4) strengthening culture; 5) egg collection; 6) hatching; 7) seedling raising. During strengthening culture, argyrosomus argentatus or minnows containing additives capable of improving the reproductive performance of the parent pharaoh cuttlefish are adopted as baits; during hatching, thewater is controlled to be increased and decreased to simulate the water pressure change of tide rising and falling of the sea; during seedling raising, seedlings are fed to a growing stage with a series of baits including artemia nauplii, copepods, live possum shrimp larvae and dead possum shrimps in sequence. The method helps to accelerate the gonad maturation, improves the gonad development process, shortens the spawning cycle, significantly increases the hatching rate of fertilized eggs, significantly improves the robustness of the cuttlefish larvae, reduces the number of dead eggs and dead seedlings, improves the seedling raising efficiency, and increases economic benefits.

The invention discloses a tor-brevifilis indoor cement pond net cage incubation method. The tor-brevifilis indoor cement pond net cage incubation method includes the following steps: A, repairing and maintaining an incubation pond, wherein a water inlet pipe and a strip-shaped micro-hole pipe oxygenation device are arranged at the bottom of the incubation pond, a potassium permanganate solution is scattered to the whole pond for disinfection, and then purified pond water filtered through yarn silk with the number of meshes ranging from 120 to 125 is injected into the pond to be aerated for use; B, arranging net cages; C, carrying out incubation, wherein after the water injected into the incubation pond is aerated for one week, gauze containing eggs is hung on iron wires at the tops of the net cages at intervals, oxygen dissolved in a water body in the incubation pond ranges from 5 mg / L to 10 mg / L, and the temperature of the water in the incubation pond ranges from 24 DEG C to 27 DEG C; D, preventing and treating tor-brevifilis diseases, wherein in the incubation process, nystatin dehydrate is thrown into the incubation pond every 10 hours to 14 hours to be used for preventing and controlling saprolegniasis, and if it is found that saprolegniasis exists in the incubation pond, methylene blue is scattered to the whole pond according to the amount of 2 g to 4 g per cubic meter. The tor-brevifilis indoor cement pond net cage incubation method is high in survival rate and high in incubation rate, and the incubation rate can be 88%.

The invention discloses a method for inducing Atrina pectinata Linnaeus to quickly spawn, which is characterized by comprising the following steps: adding 100-300ml of bleaching liquid containing 8-12% of chlorine in each cube of water body in spawning pond water; processing for 2-3 hours; adding sodium thiosulfate for neutralizing; detecting by a starch potassium iodide solution to prove that no chlorine exists; aerating for 1-2 hours; then, adding the processed spawning water in Atrina pectinata Linnaeus seed shellfish which is dried in the shade and is stimulated by running water; and after 1-2 hours, spawning and discharging sperms on a large batch, wherein the spawning induction rate is above 80%. Seawater processed with the method is high in spawning speed and good in spawning quality, and the spawning seawater is sterilized to reduce influence on incubation by microorganisms, and the incubation speed of germ cells is improved.

The invention discloses a device for hatching artemia cysts by using circulating water. The device for hatching the artemia cysts by using the circulating water comprises a water warming case, and further comprises an inner tank and an outer tank, the middle portion and the upper portion of the inner tank are cylinders, the lower portion of the inner tank is a cone, the middle portion of the outer surface of the cone penetrates through and is fixedly connected on the bottom wall of the outer cylinder, a hole is formed in the upper portion of the inner tank, a screen is arranged on the hole, one end of a first water pipe is fixedly connected to the bottom, the other end of the first water pipe is connected to the water warming case, the first water pipe is provided with a valve and a first water pump, one end of a second water pipe is arranged between the inner tank and the outer tank, the other end of the second water pipe is arranged in the water warming case, a second water pump is arranged on the second water pipe, one end of a breathe pipe is arranged in the water warming case, and an air pump is arranged on the breather pipe. The device achieves the circulation using of bittern when artemia cysts are hatched, and the facts that temperature is adjustable and dissolved oxygen is operable in a hatching process are achieved. The device for hatching the artemia cysts by using the circulating water is simple and convenient to use and efficient.

The invention provides a hatching method of black bottom soft-shell turtle eggs and relates to the technical field of aquaculture. The hatching method comprises the following steps: (1) a black bottomsoft-shell turtle egg preparation stage; (2) a hatching stage; (3) a phase after hatching. By adopting the hatching method of the black bottom soft-shell turtle eggs, provided by the invention, eachstage of hatching is scientifically and finely treated; the black bottom soft-shell turtle eggs hatched by the method provided by the invention have high hatching rate and short hatching time; the resistance of newly born young black bottom soft-shell turtles is strong and the morbidity is low; the method is safe and efficient, is suitable for large-scale hatching and is worthy of being popularized.

The invention discloses a quality-improving and yield-increasing breeding method for high-quality lates calarifer. The method comprises the following steps of S1, pond selection and processing beforeuse; S2, artificial incubation and fry breeding; S3, fry pre-breeding, desalting and management; S4, fry stocking and feed management; S5, harvesting. Lates calarifer eggs are bred through a magneto-optical induction method, the water quality is improved after seawater is magnetized, the content of dissolved oxygen in a water body is increased, and fish egg development and incubation are facilitated. Laser irradiation is beneficial to killing germs in the water body environment and improving the disease resistance of fry. The application of hatching promoting liquid further promotes incubationof the fish eggs and improves the physique of the fry. Fry adapting liquid is applied in the fry pre-stocking stage, so that the fry are helped to adapt to the low-salinity water environment as soonas possible, fishes are strengthened, and disease resistance of the fishes is improved. By applying matched feed conforming to nutrition requirements of various growth and development periods of the lates calarifer, the effect of fully utilizing the feed is achieved; finally, the goal of improving the quality and yield of the lates calarifer is achieved.

The invention discloses a method for breeding crayfish in a workshop in early spring. The method comprises the steps of S1, building the workshop; S2, breeding in a breeding pond; and S3, harvesting and catching crayfish seedlings, wherein the workshop adopts a workshop early spring breeding technical mode of a cement pond and hydrilla varticillata, the natural advantages of the end of winter andearly spring cold season of Nanning in Guangxi Province are utilized, the early breeding environment control of the crayfish is achieved through a water treatment pond and a control assembly, and thepossibility that the crayfish obtains early breeding seedlings in February to March every year is achieved. The method is simple and low in production cost, due to the fact that the climate is proper,the feed ratio is scientific, the breeding time of the crayfish is short, the breeding survival rate of the crayfish with eggs is high, the market economic value is high, and compared with an existing method, the time to market can be advanced by 2-3 months; and meanwhile, natural enemies of the seedlings can be effectively avoided in workshop breeding, and the crayfish is prevented from escaping.

The invention discloses a high-yield incubation method of penaeus vannamei nauplius. The method comprises the steps that S101, environment selection: the incubation water temperature is controlled at30.5 DEG C, physicochemical indexes of water quality are regulated, and the salinity is 30-31 ppt; the pH is 8.0-8.2; the total alkali is 150-170 ppm; residual chlorine <= 0.001 ppm; the content of ammonia nitrogen, nitrite and microorganism does not exceeds standards; S102, the promotion of the incubation of the nauplius: parental shrimps are put into an incubation pond according to the density of 5 ind / m<3>, and manual spawn pushing is conducted by adopting a spawn pushing plate; S103, light lure screening: air is cut off for 1 hour, an illumination lamp with the light intensity of 350-450 lux is utilized to perform light lure to screen out N2 nauplius, and the nauplius is temporarily cultured in a nauplius temporary culturing barrel, an illumination lamp with the light intensity of 1600-1700 lux is utilized to perform light lure to screen out N5 nauplius, and air is cut off for 0.5 hour when light lure is conducted each time. By means of the method, the oosperm incubation rate is effectively improved to reach up to 96%, the malformation rate of the screened nauplius is only 2%, and qualified and healthy N5 nauplius with high yield is cultured.

The invention relates to the field of mango cultivation, and discloses a mango pollinating fly attracting substrate and the application thereof. The mango pollinating fly attracting substrate comprises, by weight, the following components of 0.1-1 part of flavour dispersing agent, 0.5-1.5 parts of fruits and 3-7 parts of nutrition substrates; the PH value of the mango pollinating fly attracting substrate is 7-8. Ten to fifteen days before mango flower blooming, a fly attracting device is hung in a mango garden, chrysomyia megacephala and houseflies can be attracted to pollinate mango flowers, the fly attracting species is relatively single, the pollinating fly on-tree quantity is significantly increased, and the fruit setting rate, normal fruit ratio, mean fruit weight and mean single plant yield of Tainong No.1 mangos are effectively improved.