91 results about "Fly larvae" patented technology

The invention belongs to the field of environmental protection, relating to a method for processing food waste by using black soldier fly larvae and comprising the following steps: coarse crushing the food waste and then adding auxiliary materials to obtain culture materials for the black soldier fly larvae; and grafting black soldier fly spawn on the surface of the culture materials for the black soldier fly larvae so that the larvae hatched by the black soldier fly spawn acquires the culture materials for the black soldier fly larvae, thereby processing and cleaning the food waste. Before the black soldier fly larvae ages, a polypide collecting container is externally connected to the area for piling up the culture materials for the black soldier fly larvae and is filled with dry rice bran powder so as to guide to collect the aged black soldier fly larvae; and the rest of the processed culture materials for the black solider fly larvae is dried and then prepared into microbial organic fertilizer. The invention has strong processing capability, rapid processing speed compared with the common compost, the processing period is 4-5 days; after being processed, the volume of the food waste is reduced by 10-30%, the peculiar smell of the waste is lightened; and the invention can obtain excellent microbial organic fertilizer and insect bioprotein at the same time.

The invention relates to urban and rural waste treatment and utilization, in particular to an urban and rural waste treatment method. The method comprises the following steps: sorting and classifying wastes; smashing organic wastes and then adding a microbial starter, and adding straw or sawdust to regulate water content; after stirring, carrying out anaerobic fermentation in a fermentation tank, and using the anaerobic-fermented product as feed for fly larvae and earthworm breeding; collecting residues of fly larvae and earthworm breeding, and composting and fermenting to prepare organic fertilizers. Combustible wastes are incinerated through an incinerator to supply heat for the fermentation tank, fly larvae and earthworm breeding rooms and composting fermentation equipment. The method carries out resource utilization, innocent treatment and reduction landfill for the wastes and fundamentally controls the secondary pollution caused by the direct landfill, incineration and composting of wastes.

The invention relates to a method and a device for propagating fruit flies by utilizing a liquid culture medium. The method comprises the following steps that (1) the liquid culture medium is prepared; (2) a fruit fly cage mode is used for feeding adult fries; (3) larvae are fed, and flyblows are obtained: (3-1) a feeding tank for feeding fruit fly larvae is manufactured; (3-2) the liquid culture medium is added into the feeding tank; (3-3) the feeding tank is put into a fly cage; (3-4) fruit flyblows are obtained; (4) after the fruit fly larvae are fed to the aging state, old and mature larvae are eluted and filtered; (5) the larvae are placed in a bag, after the fruit fly larvae are pupated, fruit fly pupae are cut off together with the bag, and undamaged fruit fly pupae are obtained. The method and the device have the advantages that various insect states, particularly older larvae and fruit fly larvae, can be easily obtained, the surfaces of the older larvae and the pupae of the obtained fruit flies are clean, and the pupa body is complete and is not damaged.

The invention provides large-scale fly larvae breeding equipment and an application method thereof. The set of large-scale fly larvae breeding equipment comprises a boiler room, a Delia platura breeding room, a young larvae breeding room and an operating platform, a fermenting tank and a manure dried yard arranged below a steel frame shed; and the application method of the set of large-scale fly larvae breeding equipment comprises the following steps of: (1) heating the Delia platura breeding room and the young larvae breeding room by using a dual-use (steam and hot water) atmospheric boiler, and maintaining the indoor temperature at 20-30 DEG C; (2) breeding of Delia platura; (3) processing of a culture medium; and (4) breeding of young larvae. The method provided by the invention uses a novel thermal insulation material to build the breeding houses and further realize heat preservation in the winter and thermal insulation in the summer with low heating cost, thus realizing ceaseless breeding of fly larvae in all the year round; the method can improve one-step manure-drying and humidifying processes, ensure constant dryness and humidity conditions of a pig manure culture medium for young larvae breeding, and ensure the breeding quality; in addition, an automatic larvae manure separation manner is used for reducing the artificial culture and improving the breeding efficiency.

The invention discloses a method for breeding fly larvae and earthworms by kitchen garbage. The method is characterized in that the kitchen garbage is treated by the following steps: fermenting the kitchen garbage in a vacuum condition; regulating pH to 5-8; crushing, filtering and dewatering the kitchen garbage to obtain residual slag; adding 30%-50% of dried pig manure, dried cow manure, peanut straw powder, corn straw powder, other straw powder or mixture; putting the mixture to a fly larvae culture dish, paving the mixture in 5-10 thickness; adding fly eggs; maintaining the room temperature to be 30-35 DEG C and humidity to be 50-70% so that the fly eggs become fly larvae and then become maggots; after separating maggots, repeatedly performing the above steps by the residual slag till only fibrous material is remained in the residual slag; and adding the residual slag to the earthworm breeding base to breed earthworms. The method overcomes the problem that the utilization efficiency of the kitchen garbage after being treated by composting method is low, eliminates soil pollution, reduces air pollution and achieves recycling of the garbage.

The invention relates to a method for processing pig manure with earthworms. The method comprises the steps of: establishing a foundation surface of an earthworm biological processing bed, and stacking an earthworm living matrix on the foundation surface, wherein the living matrix is divided into large and small rows for inoculating the earthworms, the input quantity of the living matrix is 0.5-1.5 kg / m<2>, and a shading screen is covered behind a surface layer of the matrix after the earthworms are inoculated; putting the pig manure into an opening container, adding water into the container,and fully mixing to make the pig manure be subjected to anaerobic fermentation, until the pig manure becomes black brown; adding the cured pig manure on a long-strip stack of the earthworm biologicalbed, wherein the added thickness is 2-5 cm; and immediately feeding material when 60-70% of the pig manure is digested, and repeating the steps. The defects that a great number of stench, environmental pollution, easily-generated house fly larvae and the like exist in a past fermenting and pile-turning process are overcome. The pig manure is safely processed with the earthworms, the earthworms are prevented from escaping and dying, no stench is generated, environment friendliness and safety are realized, and the digestion efficiency is high; and by adopting the method provided by the invention, the average daily pig manure consumption is 2-3 times the weight of the earthworms.

The present invention relates to an apparatus for breeding fly larvae, and more particularly, to an apparatus for breeding fly larvae in which a breeding chamber is divided into multiple square sections to enable larvae to progressively grow and to complete the growth thereof, the larvae with the exception of those having escaped to an emergency chamber, are collected, and the larvae having escaped to the emergency chamber emerge as flies and are moved to a fly habitat chamber arranged above the breeding chamber to live and oviposit into the breeding chamber, and the above-described process is repeated so as to automatically breed larvae. To this end, the apparatus for breeding fly larvae of the present invention comprises: a fly habitat; a larvae-breeding area installed in the fly habitat; and a lid covering an upper portion of the larvae-breeding area, wherein the larvae-breeding area includes a pillar unit installed on the bottom of the fly habitat, and multiple breeding chambers installed in the pillar unit such that the breeding chambers operate independently.

The invention provides a method for biologically treating and transforming blue algae by using insect larvae, and belongs to the technical field of resource environments. The method comprises the following steps of: after the fished blue algae serous fluid or the dehydrated blue algae mud is hydro-thermally treated, adding a little amount of bran into the blue algae serous fluid or the blue algae mud, and pre-fermenting the mixture for 2 days to prepare a culture material for fly larvae, wherein the thickness of the culture material in a culture tray is 5 to 10 centimeters; inoculating 0.3 gram of fly eggs to the surface of each kilogram of culture material, wherein the point-sowing density is 3 to 5 places per square meter; and placing the culture tray in a room with good ventilation and weak rays, culturing the fly eggs for 3 to 5 days, and harvesting the fly larvae serving as feed protein after the fly larvae is mature. The residue is smell-less and loose, greatly reduces the moisture, has rich nutrient, and can be directly used as a biological organic fertilizer. The method for treating the blue algae is efficient and quick and has high economic benefit.

The invention provides a chicken manure feed for feeding housefly larva. The invention belongs to the field of artificial feeding of insects, and relates to a preparation method and a use method of feed for the housefly larva. The chicken manure feed adopts the following formulas: 60%-70% of dry chicken manure and 30%-40% of chaff powder (which is obtained by smashing rice hull) or sawdust, which are mixed with each other to prepare a base feed. The use method of the base feed comprises the following steps of: mixing and evenly stirring the base feed and water according to the weight ratio of 1:1.8-2.0, filling into a plastic box with the specification of 58cm*40cm*12cm, wherein the weight of material in each box is 7.2kg-7.5kg, collecting proper housefly eggs, feeding under the temperature of 26-30DEG C and the humidity of 60%-80%, and separating the larva from composts after 4-5 days to obtain the pure fresh fly eggs. The housefly larva is fed by the formula, and each box can collect 750g-800g of the larva, i.e., each kilogram of the composts can produce 300g-320g of fresh housefly eggs, so that the raw material cost of the chicken manure feed is less than that of wheat bran and rice bran powder by 75%-103%. According to the feed with the formula, not only can the housefly larva be fed at low cost, but also the resource utilization efficiency of the chicken manure can be further improved.

The invention discloses a rapid production process of an organic fertilizer, which includes the following steps: (1) pre-fermentation that specifically includes the following working procedures: (1-1) mixing of raw materials and auxiliary materials, (1-2) drying and (1-3) pre-fermentation; (2) fermentation; (3) sampling and testing that are conducted according to NY525-2002 standards, and follow-up operation after testing results are qualified; (4) grinding and screening, namely grinding and screening semi-finished products sampled and tested to be qualified, and putting the semi-finished products into a warehouse for the semi-finished products; (5) post-fermentation: piling up the semi-finished products with moisture content dropping to 25-30% wt, and conducting post-fermentation while preventing the rain; (6) packaging, namely mechanical or manual packaging, sealing and palletizing; and (7) loading and delivery, namely mechanical or manual loading of packaged products, and delivery.The rapid production process of the organic fertilizer can ensure high drying efficiency of the raw materials, the auxiliary materials and the semi-finished products, has the advantages of low energyconsumption, deodorization, and good effect in killing flies and maggots, and saves fermentation time.

The invention relates to the technical field of poultry raising, in particular to a culture method of medicated food phellinus linteus broiler chickens. The method concretely comprises the steps that: fermented and cultured finished product phellinus linteus solid mycelium or liquid mycelium is used as feed additives, and then, the feeding of earthworm, house fly larvae, fresh vegetables and forage is regulated according to the growth period of the broiler chickens for reaching the goals of improving the mouth feeling and the quality of the broiler chickens and reducing the raising cost. The culture period of the phellinus linteus mycelium is very short, the production cost is very low, the phellinus linteus mycelium is used for feeding the chickens, the use cost is very low, the body resistance can be enhanced after the chickens eat the phellinus linteus mycelium, and the effect of both eating drug and food can be realized through eating the chicken eating the phellinus linteus mycelium. The production cost of the broiler chickens cultured through the culture method is very low, the broiler chickens with high quality and specific features are cultured, the market prospects of commodity broiler chickens are good, the selling price is high, and the benefits of feeders are rich.

The invention relates to an artificial propagation method for parasitic wasps of bactrocera tau larvae. The method comprises the steps of collection of bactrocera tau and adult parasitic wasps of bactrocera tau larvae, feeding and domestication of the parasitic wasps of the bactrocera tau larvae, feeding of the adult bactrocera tau, expanding propagation and spawning domestication of bactrocera tau, egg collection of the bactrocera tau, expanding propagation of the bactrocera tau larvae, parasitism of the parasitic wasps of the bactrocera tau larvae on the bactrocera tau larvae, larva feedingand pupation after parasitism, parasitic pupae collection and parasitic wasp eclosion separation, and rejuvenation of the bactrocera tau and larva parasitic wasps. By adopting the method disclosed bythe invention, the growth and development of the bactrocera tau and the parasitic wasps are not influenced by residual pesticides, and the host searching capability of the parasitic wasps in the fieldis kept stable; after being collected, the bactrocera tau pupae where the parasitic wasps are parasitic do not need freezing treatment, damage to the bactrocera tau pupae where the parasitic wasps are parasitic is little, the separation effect of the bactrocera tau and the parasitic wasps is good, and the method has the advantages of being easy to operate, capable of saving time, little in humaninterference, high in parasitic rate, easy to breed on a large scale and particularly suitable for application and popularization.

The invention provides a compound silkworm feed and a production method thereof. The compound silkworm feed is made from germ-free fly larvae, antibiotics, amino acids, Chinese medicinal herbs, glucose, mung bean powder, lotus root powder, flour and egg. The production method comprises the following steps: mixing the above powder materials, adding beaten egg, stirring with a blender and oven-drying to obtain the final product. Compared with the prior art, the compound feed can improve the adaptive ability of silkworms to the external environment, increase the body weight of individual silkworm cocoon, increase the yield by 15-20%, increase the proportion of high-quality silkworm cocoon, and shorten the silkworm rearing period by 1-2 days. Additionally, the compound feed can enhance disease resistance and immunity of silkworms, can prevent gastrointestinal diseases, viral diseases, bacterial diseases and fungal diseases in silkworms, with effectiveness above 90%, and has no bad influence on growth and reproduction of silkworms.

The present invention provides a method for producing a selenium-enriched feed additive. The method consists of the following steps: (1) selenium-enriched yeasts, plant stalks, fruits, vegetables, mulberry leaves and wheat brans are mixed, and the mixture is fermented to obtain fermentation products; (2) the fermentation products are used to feed grass-eating fly larvae, tenebrio molitor larvae or silkworm larvae to obtain chicken edible pupae; (3) the chicken edible pupas are added into a chicken basic feed to feed chickens and chicken manure produced by the chicken is collected; (4) chicken feathers of the chicken manure are removed, the feather removed chicken manure is dehydrated, and the dehydrated chicken manure is used for feeding grass-eating fly larvae, tenebrio molitor larvae or silkworm larvae to obtain feed pupae; and (5) the feed pupae is separated, the separated feed pupae is dried in a conventional manner, the dried feed pupae is crushed, and the crushed feed pupae is granulated to obtain the selenium-enriched feed additive. The present invention also provides a use of the selenium-enriched feed additive for feeding fish.

The invention discloses a process for preparing fly larva albumen powder by enzymatic hydrolysis of fly larvae. The process comprises the following specific steps: adding water to fresh fly larvae, pulping, and adjusting the pH as 6.0-7.0; adding an enzyme composition, raising the temperature to 45-55 DEG C, performing heat-preservation enzymatic hydrolysis for 4-7h, and performing enzyme deactivation, filtration, filtrate collection, concentration and drying to obtain the fly larva albumen powder, wherein the enzyme composition is formed by compound protease, neutral protease and flavourzyme according to the weight ratio of 1:(1-2):(0.5-1), and the addition amount of the enzyme composition is 2-5 weight percent of the fresh fly larvae. Compared with the prior art, the process has the advantages that the enzyme composition formed by the compound protease, the neutral protease and the flavourzyme according to a specific ratio performs enzymatic hydrolysis on the pulp of the fresh fly larvae under specific conditions, all enzymes cooperate in the enzymatic hydrolysis process, the degree of hydrolysis is effectively improved, and meanwhile, the prepared fly larva albumen powder does not taste bitter, and only has slightly fishy smell.

A device and a breeding method for breeding black soldier flies with livestock and poultry manure, comprising a breeding room (9), an insect breeding tank (10) arranged in the breeding room (9); (7); the second track (8); the ferry car (1) running on the second track (8); the feeding that can be stacked on the ferry car (1) or run on the first track (7) Receiving vehicle (2); storage tower (4); sorting screen (5); induced draft fan; deodorization tower (6). The ferry car (1) carries the feeding and receiving vehicle (2) to complete the retrieving, and the feeding and receiving vehicle (2) evenly distributes the manure of livestock and poultry in the insect breeding tank (10); after the distribution is completed, inoculate black soldier fly larvae; repeat several times Secondary cloth; the feeding and receiving vehicle (2) collects the mixture of black soldier flies and insect sand, and transports it to the sorting screen (5); the sorting screen (5) separates the black soldier flies and insect sand; the breeding room (9) and The odor gas in the storage tower (4) is treated by the deodorization tower (6).

The invention relates to culture soil for rose flowers. The culture soil consists of the following components in parts by weight: 200-250 parts of peat soil, 50-80 parts of bamboo charcoal powder, 20-40 parts of rose branches and leaves, 30-35 parts of rape straws, 20-30 parts of blue algae, 15-35 parts of soybean meal, 30-50 parts of sweet potato residues, 15-18 parts of snails, 12-25 parts of fly larvae, 10-20 parts of grasshoppers, 10-12 parts of polyoxyethylene alkyl ether ammonium sulfate, 8-16 parts of sodium lauryl sulfate, 2-4 pars of fatty glyceride, 3-5 parts of dimethylfomamide, 12-16 parts of silkworm excrements, 20-40 parts of grain stillage, 14-16 parts of ground phosphate rock, 5-15 parts of potassium ore powder, 25-40 parts of urea, 30-50 parts of microzyme and 8-12 parts of ethylene diamine tetraacetic acid.

The invention discloses a livestock manure cleaning and recycling treatment and resource utilization facility and an implementation method thereof. The livestock manure cleaning and recycling treatment and resource utilization facility comprises (1) hutch washing sewage treatment after manure is dried and collected, and (2) treatment of the dried and collected manure including 1 / 3 of fresh manureis conveyed to a fly larvae breeding greenhouse 11 through a shaftless screw conveyer 10, 2 / 3 of the fresh manure is conveyed through a mixing and homogenizing pond 12 and a screw extrusion separator13, and separated liquid manure is conveyed to an up-flow type solid anaerobic reactor 14 and a biogas slurry harmless treatment unit 15. The livestock manure cleaning and recycling treatment and resource utilization facility is innovatively characterized in that livestock breeding waste treatment is implemented according to the ideas of cleaning and recycling treatment and resource utilization, 1 / 3 of the fresh manure is applied to larva breeding, 2 / 3 of the fresh manure is processed through solid-liquid separation, manure residues are applied to producing bulk organic fertilizers and carbonrods for burning, biogas slurry is processed through harmless treatment and then involved into a water-fertilizer integrated facility, and the liquid manure is processed through sewage treatment and then applied to the water-fertilizer integrated facility for field irrigation / drop irrigation.

The invention provides a processing method of a food waste. The method comprises the following steps: the food waste and a moisture absorption partition are mixed to obtain a mixture, the mixture which is treated as a bait is eaten by fly larvae, the fly larvae are separated after completing eating, the obtained fly larvae are treated as a raw material for extracting protein and chitin, and residues are treated as a raw material for manufacturing fertilizers. In the present invention, only a place and few energy are needed, other resources are not needed, the pollution to environment is less, the utilization value of obtained by-products is high, for example, the fly larvae can be used for directly manufacturing protein and chitin or after pupating and the residuals can become good organic fertilizers. Compared with the prior art, the method provided by the present invention has the advantages of less consumption, higher processing benefit, and better environmental protection effect.

The invention discloses an automatic breeding device for breeding larvae of commercial flies. The device includes a railcar body, a material feeding mechanism, material turning mechanisms, material collecting mechanisms and conveyor belts, wherein the railcar body includes a base, the material feeding mechanism comprises a dry material hopper and a wet material hopper, and a dry material discharging device body is arranged at the material outlet of the dry material hopper; a wet material discharging device body is arranged at the material outlet of the wet material hopper, each material turning mechanism includes a material turning drum, and tooth-shaped material turning claws are arranged on the surface of each material turning drum; and each material collecting mechanism includes a material collecting drum, rotating scraper blades and rotating brushes are arranged on the surface of each material collecting drum, and the conveyor belts are arranged below the material collecting mechanisms. According to the whole automatic breeding device, full-automatic material feeding is achieved through arrangement of the material feeding mechanism and material discharging mechanisms on the railcar body, full-automatic material turning is achieved through arrangement of the material turning mechanisms, and full-automatic material collection is achieved through the material collecting mechanisms, so that full-automatic breeding is achieved, and the breeding efficiency is improved greatly; and the accuracy of material feeding and material collection is improved through mechanized operation, so that the breeding survival rate is improved.

The invention discloses a fertilizer additive. The additive comprises, by weight, 5-10 parts of chitosan, 7-13 parts of humic acid, 10-20 parts of modified montmorillonite, 6-11 parts of sepiolite powder, 3-8 parts of coal gangue, 4-6 parts of potassium fulvic acid, 1-3 parts of litsea elongate leaves, 2-4 parts of cuscuta chinensis, 2-4 parts of dried pueraria lobata branches and leaves, 1-2 parts of dried wild chrysanthemum flowers, 2-3 parts of maggot powder, 30-40 parts of soybean bran, 4-9 parts of seaweed powder, 2-7 parts of borax and 2-4 parts of water-retaining agent. According to thefertilizer additive, the environment is protected, the soil is improved, the effective components of fertilizer are increased, the slow release effect is remarkable, the utilization rate of the fertilizer is increased, and the fertilizer additive is an environment-friendly fertilizer additive suitable for various kinds of chemical fertilizer.

The invention discloses a method for researching predation of predatory mites on chive maggot and relates to the field of plant protection. The method includes that the predatory mites and the chive maggot are moved to a predation lab for predation research, research on different wormlike preference, function responses, predation amount and larval predator behaviors of the predatory mites on the chive maggot are emphatically carried out, predation data of the predatory mites on the chive maggot is acquired through creative design experiments, relevant data is processed, predation related models are established, accuracy of the relevant models is verified in association with actual data, and valuable reference materials and premises are provided for biological green control of the chive maggot by taking the biological predatory mites as a medium; once the method is implemented, the problem about food safety and environment pollution generated are avoided, manpower and material resource are saved by only releasing adults of the predatory mites appropriately.

The invention provides a molluscan maggot material parameter acquisition method based on discrete elements. The method aims at solving problems existing in the prior art, and can be used for carryingout particle model analysis on a mixture of molluscan fly maggots and culture material particles by using a discrete element method and establishing a highly discrete molluscan particle model. The method has the beneficial effects that key parameters are provided for design of a maggot material separation vibrating screen, and practical research significance is achieved on separating of the maggotmaterial mixture by utilizing the vibrating screen.

The invention relates to a separation device, in particular to an automatic fly larva pupating separation device. The problems of reducing the working efficiency, drowning a part of fly larvae in water and reducing the fly pupa emergence rate by separating feed from fly larvae in a pupa washing manner after pupating fly larvae in the current fly larva feeding process in a laboratory are solved. The device disclosed by the invention comprises an outer cylinder and further comprises an inner cylinder and a cylinder cover assembly. An outward extension converse V-shaped edge is arranged at the opening edge of the inner cylinder. The inner cylinder is arranged in the outer cylinder. The cylinder cover assembly is arranged at the opening of the outer cylinder in a buckling manner. The device disclosed by the invention is used for feeding fly larvae in the laboratory and automatically separating fly larvae from feed.

Livestock and poultry ecological breeding system and breeding method, including livestock and poultry breeding room and black soldier fly breeding room, livestock and poultry manure collection tank; conveying pump; filter press; clarification tank; screw conveyor; conveyor; storage tower; insect breeding Groove; first track; second track; ferry car running on the second track; feeding and receiving car that can be stacked on the ferry car or run on the first track; sorting screen; induced draft fan; deodorization tower. After the livestock and poultry manure flows into the collection tank, it is sent to the filter press for dehydration, and the filter residue is sent to the storage tower. The ferry car carries the feeding and receiving vehicle to complete the feeding, and the feeding and receiving vehicle distributes the livestock and poultry manure evenly in the insect breeding tank; Inoculate black soldier fly larvae after the cloth is completed; repeat the cloth several times; the feeding and receiving vehicle collects the mixture of black soldier flies and insect sand, and then transports it to the sorting sieve; the sorting screen separates black soldier flies and insect sand; black soldier fly breeding The odor gas in the chamber and the storage tower is treated by the deodorization tower.

The invention belongs to the artificial feeding field of insects, and particularly relates to a method for refeeding fly maggots with leftovers of wheat bran after being utilized for the cultivation of housefly larvae. The method comprises the following steps: performing alkaline hydrolysis and fermentation on the leftovers of wheat bran after being utilized for the cultivation of the housefly larvae, blending with fresh wheat bran in a certain proportion to prepare a housefly larvae compost for breeding the housefly larvae. According to the method, the recycling of the leftovers is fully realized, the application amount of the wheat bran during the production process of the fly maggots is greatly reduced, and the cost of raw materials is reduced by two to three times. The method provides powerful technical support for utilizing the wheat bran to breed the fly maggots cleanly with a low cost.

The invention belongs to the field of environmental protection, relating to a method for processing food waste by using black soldier fly larvae and comprising the following steps: coarse crushing the food waste and then adding auxiliary materials to obtain culture materials for the black soldier fly larvae; and grafting black soldier fly spawn on the surface of the culture materials for the black soldier fly larvae so that the larvae hatched by the black soldier fly spawn acquires the culture materials for the black soldier fly larvae, thereby processing and cleaning the food waste. Before the black soldier fly larvae ages, a polypide collecting container is externally connected to the area for piling up the culture materials for the black soldier fly larvae and is filled with dry rice bran powder so as to guide to collect the aged black soldier fly larvae; and the rest of the processed culture materials for the black solider fly larvae is dried and then prepared into microbial organic fertilizer. The invention has strong processing capability, rapid processing speed compared with the common compost, the processing period is 4-5 days; after being processed, the volume of the foodwaste is reduced by 10-30%, the peculiar smell of the waste is lightened; and the invention can obtain excellent microbial organic fertilizer and insect bioprotein at the same time.

The invention discloses a method for extracting natural peptide from house fly larvae. The method includes the steps: (1) disinfecting house fly larvae body surfaces and dewatering the body surfaces until the body surfaces are free from moisture; (2) adding water, grinding the house fly larvae into pulp, sieving the pulp and then adding sodium hydrogen sulfite and vitamin C to obtain larvae pulp;(3) adjusting a pH (potential of hydrogen) value and performing microwave treatment and heat preservation; (4) filtering the larvae pulp, manufacturing raw materials of chitin by obtained filter residues, adjusting the pH value of obtained filtrate, standing, filtering the filtrate after layering, and performing micro-filtration and two-stage ultra-filtration on the filtrate; (5) performing nano-filtration on the filtrate by a reverse osmosis membrane; (6) discharging, cooling and freezing concentrated solution; (7) freezing and drying the concentrated solution to obtain a product. The methodis simple in operation, the recovery rate of the extracted natural peptide reaches up to 77.33% and is greatly increased, further, a plurality of by-products can be simultaneously prepared by the method, and the method is applicable to large-scale industrial production, simple in process and easy in operation.

Due to the recent problems of higher fuel costs and exhaustion of marine resources, fish meal-free feeds have been developed. However, these feeds are insufficient from the standpoints of feed-intake and growth of fishes. Also, there has been required a feed which can economically and easily prevent or treat fish diseases and, even in the case of given in a reduced amount, ensures efficacious fish growth without disturbing the growth of fishes. Disclosed is a feed containing fly pupae and / or fly larvae. This feed can be taken at a high feeding rate by fishes, promotes the growth of the fishes having taken the same and exerts an effect of activating the immunity of the fishes.