336 results about "Housefly" patented technology

The invention discloses a method for processing inapplicable tobacco leaves by musca domestica larvae to prepare a biological protein feed, and belongs to the technical field of environmental protection. The method for processing the inapplicable tobacco leaves by the musca domestica larvae to prepare the biological protein feed comprises the steps of: crushing fresh inapplicable tobacco leaves until the grain size of the crushed leaves is 1-5mm; adding bran, mixture of rice chaff and husk, feather meal and spray-dried animal blood cells to prepare compost; and inoculating housefly eggs at the surface of the compost, cultivating the housefly eggs for 5 days at 25-35 DEG C, collecting the compost containing the musca domestica larvae, drying and preparing the biological protein feed. The method disclosed by the invention is strong in handling capacity, small in floor area, and low in energy consumption in the processing process, achieves the resource utilization of the inapplicable tobacco leaves, changes waste into precious resources, improves the environmental health, simultaneously produces the biologic protein feed, and has a good application prospect.

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 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 discloses a treatment process for kitchen waste. The process comprises the following steps: step one, mechanical pretreatment of kitchen waste; step two, separation of plastic waste, glass bottles, cans and iron in the kitchen waste; step three, stewing and pressing of kitchen waste solids; step four, utilization and treatment of the kitchen waste; step five, breeding of housefly larvae; and step six, drying and utilization of fresh housefly larvae. The process provided in the invention enables the kitchen waste to be used effectively, overcomes the problem of feed homology, produces no environmental pollution and saves energy.

The invention discloses a quick and intensive straw management method based on ecological conversion via housefly metabolism. The method comprises the following steps of: housefly species collection and clean breeding and acclimatization, induction and stabilization of straw conversion adaptation housefly strains, breeding of cellulose high expression housefly strains, pretreatment of straw housefly maggot bioconversion, stabilization of industrialized straw conversion housefly strains, and production of industrialized housefly maggot products. Compared with the prior art, the method has the advantages that biotechnologies are adopted for functional induction and filtration of seed maggot straw ecological conversion, passage and engineered cultivation, a machinery crushing method and a biofermentation technology are adopted, and a modernized engineering means is adopted, so that intensive straw management based on microbe fermentation and insect metabolic conversion is realized. Compared with other methods, the method provided by the invention has the advantages of high ecological degree, high bioavailability, short rotten period, high product quality, high extra-value output of resources, non-environmental pollution, and scientific proportion and high fertilizer efficiency.

The present invention provides lignin-pesticide complexes, methods for making lignin-pesticide complexes, and methods for treating or controlling insect infestations on animals by administering such complexes. Advantageously, the lignin-pesticide complexes of the present invention can be used in feed-through products to control insect infestation on livestock or pets. Various insects such as face flies, house flies, stable flies, and horn flies can be controlled and treated using the feed-through products of the present invention.

The invention relates to the field of cultivation technology of insects, in particular to a cultivation method of a nicotine-resistant housefly strain. According to the cultivation method of the nicotine-resistant housefly strain, firstly, housefly eggs of the nicotine-resistant housefly strain are inoculated to a first formula material, and the housefly eggs are cultivated until the larvas become mature and pupate; then after eclosion of the fly pupas, a second formula material is utilized for feeding the imagoes, and after the imagoes lay eggs, domestication of a next generation is started; operation is repeated according to the steps, and the stable nicotine-resistant housefly strain can be obtained after 20-30 generations of continuous domestication cultivation.

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 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.

The invention relates to the field of artificial breeding of houseflies, in particular to a housefly breeding device and a breeding method thereof. The housefly breeding device comprises a main cage and an auxiliary cage with connected interiors, wherein the auxiliary cage is arranged on the lateral surface of the main cage, and the outer surface of the auxiliary cage is provided with a swabbing sieve surface for brushing food fluid; a pupa basin bracket for placing the a pupa basin is arranged in the auxiliary cage, and the lateral surface of the auxiliary cage is provided with an over-sleeve for putting the pupa basin into the cage; and the bottom surface of the auxiliary cage is a sieve surface higher than the bottom surface of the main cage, and a bracket for placing an ovum-inducing basin is arranged under the bottom surface of the auxiliary cage. The sieve number of the swabbing sieve surface is between 10 and 20 meshes. When the food fluid is brushed onto the swabbing sieve surface, the houseflies can lick the food fluid in the cages. When taking ova, an ovum-inducing feed is put on the bracket under the auxiliary cage, and four corners of the bottom surface of the auxiliary cage are washed by water periodically, and then the ova are filtered by a filter sieve with 60 to 200 meshes so as to obtain a large amount of pure housefly ova. The breeding device and the method have simple operation in whole breeding process, can effectively prevent the houseflies from escaping, and are suitable for industrial breeding of the houseflies.

The invention discloses a jewfish fish meal-free high efficiency safety mixed feed, which comprises the following components: 5-10 parts of chicken powder, 2-6 parts of pork powder, 5-15 parts of soy protein concentrate, 2-8 parts of fermented soybean meal, 2-7 parts of corn gluten meal, 12-25 parts of krill meal, 5-10 parts of cuttlefish powder, 1-5 parts of silkworm chrysalis powder, 3-6 parts of mussel housefly larvae enzymatic hydtolysis peptide powder , 3-5 parts of probiotics fermentation small peptide mixture, 1-3 parts of molasses extract yeast, 1-3 parts of seaweed meal, 12-18 parts of high gluten wheat flour, 1-4 parts of refine fish oil, 1-3 parts of refine soya-bean oil, 2-5 parts of soybean phosphatide oil, 0.1-0.4 parts of choline, 0.2-0.5 parts of composite vitamin, 1-3 parts of composite mineral matter, 1-3 parts of calcium dihydrogen phosphate, 1-2 parts of calcium lactate, 2 parts of traditional Chinese medicine compound preparation, 2 parts of premix and 2 parts of additive. The feed has the characteristics of no fish meal, fast growth, low bait coefficient, good stability in water, fast ingestion, low feeding cost, high efficiency and safety.

The invention relates to a housefly flyblow attracting and collecting method which is characterized in that attractant composed of the subsidiary agricultural products fermented by microorganism or the dejection of the livestock are wrapped by 0.5-3mm thick cloth or paper, and a 0.5-2cm deep goffer is formed on the surface of cloth or paper for the housefly to lay eggs in the goffer. By the method of the invention, the egg bag can be taken out after 6-12 hours, then a great deal of conglomerated flyblow can be found in the goffer, a great deal of clean flyblow can be obtained after the flyblow is scraped out by a scraper. So that the invention can easily realize the separation of the housefly flyblow from the egg laying material, can get clean housefly flyblow, can reduce time and labor for separating the flyblow, and can provide convenience for the standardization breeding of the fly maggot.

The invention discloses an artificial feed for natural enemy insects. The basic component of the artificial feed is defatted powder of yellow mealworm pupae. The artificial feed also comprises at least one of yeast extracts, cane sugar and bee pollens. The mass fraction ratio of defatted powder of yellow mealworm pupae, yeast extracts, cane sugar and bee pollens is 2.0:2.0:1.5:0.6. The natural enemy insects can be Harmonia axyridis Pallas, specifically Harmonia axyridis Pallas larvae. The house flies have short life cycle and strong reproductive capability, development duration of 12d and average female offspring number of 1500. The reproduction number of a couple of house flies in four months (from April to August) can reach 2*1020 if all the reproduced house flies survive; therefore, a great quantity of house flies can be obtained in a short period. The artificial feed has simple preparation method, wide sources, low investment and low production cost.

The invention discloses albumen powder richening in antimicrobial peptide fly maggot, a preparation method for the albumen powder and a feed additive of the albumen powder. The albumen powder richening in the antimicrobial peptide fly maggot is prepared by a method comprising the following steps of: (1) feeding flies, luring the flies to lay eggs and feeding larva by using feed after incubation; (2) conducting ultrasound induction on the larva; (3) continuously feeding, collecting the larva, washing, conducting disinfection treatment, and conducting tissue homogenate smashing; and (4) filtering, treating filtrate at 0-5 DEG C, removing surface lipid compositions, drying to obtain the albumen powder; adding auxiliary materials in the albumen powder, pelletizing to obtain the feed additive. A ultrasound stimulation mode under specified conditions is adopted to induce the larva to enable an antimicrobial peptide active ingredient content in a body of a housefly to obviously improve, and the feed additive has certain growth promotion and disease-resistant strengthening effects on litopenaeus vannamei, crucian and the like.

The invention provides a method for attracting wild hermetia illucens. The method includes the following specific steps of breeding housefly larvae, and then attracting the wild hermetia illucens outdoors by using residual breeding materials on clear and rainless days at the temperature of 23 DEG C to 35 DEG C from April to October. By means of the method, the effect of attracting the hermetia illucens is very significant, in particular, the composts used for breeding the housefly larvae are rich in lysine which can be extremely easily decomposed into cadaverine and other substances with pungent smells under the action of the housefly larvae and natural microbes, and cadaverine and other substances with pungent smells have an extremely strong attracting effect on the wild hermetia illucens adults. After the egg-laying and development of the hermetia illucens are finished, a large number of hermetia illucens provenances can be obtained easily in a short time. The method is simple, convenient to conduct and efficient, and can greatly save labor and time for obtaining the wild hermetia illucens provenances.

The invention discloses a housefly cecropin-human lysozyme fusion protein, and a preparation method and application thereof. A sequence of the housefly cecropin-human lysozyme fusion protein of the invention is shown by SEQ ID No.1. The housefly cecropin-human lysozyme fusion protein comprises a mature peptide sequence of housefly cecropin, a polypeptide linker sequence and the mature peptide sequence of human lysozyme. The housefly cecropin-human lysozyme fusion protein is prepared by the following steps of: according to the gene sequences of the housefly cecropin and the human lysozyme, designing a synthetic primer with esherichia coli preferred codons; performing PCR amplification by using a splicing overlap extension method to obtain the gene sequence of the fusion protein so as to construct recombinant prokaryotic expression plasmids; transferring the recombinant prokaryotic expression plasmids into host cells to obtain engineering bacteria expressing the fusion protein; and performing fermentation culture, separation and purification to obtain the housefly cecropin-human lysozyme fusion protein of the invention. The fusion protein of the invention has the characteristics of the housefly cecropin and the human lysozyme per se, has relatively more remarkable antibacterial activity and antibiotic activity, can be used for preparing antibacterials or bacteriostatic medicaments, and has wide application prospect.

The invention discloses a method for eliminating food rubbish. The method comprises the following steps of: breaking the food rubbish after being classified, adding auxiliary materials so as to acquire a food rubbish breeding material, putting the food rubbish breeding material in housefly eggs and making the larva hatched from the housefly egg eat the breeding material till the food rubbish is eliminated. The food rubbish breeding material comprises 50 to 90 wt.% of food rubbish, 0 to 40 wt.% of saw dust, 0 to 30 wt.% of rice bran powder, 0 to 30 wt.% of bran, 0 to 40 wt.% of straw powder, 1 to 5 wt.% of yeast powder, 1 to 3 wt.% of EM liquid, 0 to 3 wt.% of baking soda and 0 to 3 wt.% of slaked lime. The food rubbish is eliminated by adding housefly eggs in the food rubbish breeding material and making the larva hatched from the housefly egg eat the breeding material. By performing harmless treatment on the food rubbish by using the housefly maggot, the method of the invention greatly decreases the capacity of the municipal solid waste, the generated housefly maggot biologic protein and the microbial organic fertilizer can realize the recycling of resource and the environment is protected.

The invention discloses an infected dead livestock disposal method. The method comprises the steps that after infected dead livestock is subjected to high-temperature sterilization and degreasing, auxiliary materials are added into meat slurry, and then the meat slurry is prepared into nourishment for breeding black soldier flies or houseflies through the enzymatic degradation step or the fermentative degradation step and the like, and utilization by the black soldier flies is facilitated. Through the process, the infected dead livestock is converted into larvae or frass of the black soldier flies or the houseflies; the larvae can be used as ingredients of high-protein feed, and the frass can be used for preparing high-quality organic fertilizer. Through the method, the infected dead livestock pollution source can be eradicated completely, and insect protein and the organic fertilizer with the high additional value can be obtained.

The invention discloses feed for increasing the survival rate of crabs and improving the meat quality of the crabs. The feed is prepared from, by weight, 80-120 parts of fish meal, 30-60 parts of bean pulp, 5-15 parts of corn, 2-8 parts of wheat, 3-6 parts of dried-powder of housefly larvae, 2-6 parts of blood worm powder, 3-5 parts of margarya meat powder, 1-4 parts of dried and shelled shrimps, 1-5 parts of beer yeast, 2-6 parts of fish oil, 2-7 parts of seaweed meal, 1-5 parts of potamogeton maackianus, 2-5 parts of shrimp shell powder, 1-3 parts of monopotassium phosphate, 2-4 parts of mountain flour, 1-4 parts of fish decavitamin and 2-6 parts of astaxanthin. The feed contains rich protein, starch, amino acid, cellulose and microelements, the immunity of the crabs can be effectively improved, the survival rate of the crabs can be increased, and the meat quality of the crabs can be improved.

The invention belongs to the field of feeding of natural enemy insects and in particular relates to an artificial feed for harmonia axyridis larvae and a preparation method of the artificial feed. The artificial feed for harmonia axyridis larvae is prepared from the following components in parts by weight: 5 parts of pork liver, 0.5-1.5 parts of dried powder of housefly larvae, 1-2 parts of yeast extract, 1-3 parts of saccharose and 1-2 parts of honey. The preparation method comprises the steps of preparing pasty pork liver, preparing dried powder of housefly larvae and mixing all the components. The components of the artificial feed are readily available, the investment is low, the production cost is low, and the preparation method is simple, can be operated easily and is suitable for feeding harmonia axyridis larvae in a large-scale manner.

The invention discloses an aquarium fish feed comprising the following raw materials: by weight, 20-23 parts of fishmeal, 12-15 parts of housefly larvae powder, 30-35 parts of corn starch, 10-12 parts of flour, 40-45 parts of soybean meal, 3-4 parts of beer yeast powder, 3-4 parts of spirulina, 4-5 parts of hawthorn, 1-2 parts of citric acid, 1-2 parts of fumaric acid, 4-5 parts of diatomite powder, 2-3 parts of phtheirospermum tenuisectum Bur. et Franch, 1-2 parts of catalpa flower and 4-5 parts of a feeding promoting agent; the aquarium fish feed is prepared from a plurality of materials, is rich in proteins and multiple vitamins, is reasonable in the ratio of every nutrition ingredient, can provide comprehensive nutrition for aquarium fishes, at the same time, enhances the immune power of the aquarium fishes by adding of a plurality of Chinese herbal medicines, and reduces mortality.

The invention discloses the chicken feed which can improve the quality of the chicken. The invention is made mainly by mixing the leftovers of young house fly-aseptic culture, the soybean meal, the paddy, the fine rice bran, the dry residue from distilleries and the EM microbe at certain weight matching. The chicken feed has the advantages that (1) the prescription is rich in nutrition, the finished chicken is high in growth speed and the crop time is short, which is about 30 to 40 days; (2) the chicken is fresh and tender, which is crisp in skin, fresh in taste and compact in flesh when boiling in clear water for 30 minutes without any seasoning matter; (3) the invention can also be used as the fodder for other animals.

The invention discloses a method for artificially breeding Spalangia endius Walkers. A cage rearing method is used for rearing adult houseflies, wheat bran, the water content of which is 65 percent, is used as egg-laying substrateto lure the houseflies to lay eggs, the housefly eggs on the egg-laying substrate are collected and reared, so that older larvae are obtained, and the older larvae are collected and pupated, so that housefly pupae are obtained; female Spalangia endius Walkers are introduced into a breeding cage, the housefly pupae are put into a screen according to the number proportion of 1:10 and then placed into the rearing cage, and the housefly pupae on which the female Spalangia endius Walkers parasitize are collected; the obtained parasitized housefly pupae are put into a beekeeping cage, Spalangia endius Walkers are driven into a collecting cage from the surfaces of the housefly pupae after the eclosion of the Spalangia endius Walkers, and thereby the Spalangia endius Walkers are obtained. The method has the advantages that as the cage rearing method is adopted to rear adult houseflies, breed the Spalangia endius Walkers and collect the Spalangia endius Walkers, the escape of the parasitic bees and the housefly hosts can be effectively prevented, the artificial breeding of the Spalangia endius Walkers is conveniently realized, the injury of the Spalangia endius Walkers is minor, and the breeding efficiency is increased.

The invention relates to the technical field of aquaculture and specifically relates to a freshwater shrimp feed. The feed is prepared from the following raw materials in parts by weight: 8-10 parts of millet bran, 8-10 parts of barley bran, 10-12 parts of bean cake, 10-12 parts of rye, 6-8 parts of potato powder, 15-18 parts of corns, 5-6 parts of fried peanut powder, 6-8 parts of cedar moss powder, 2-3 parts of meat and bone meal, 2-3 parts of imported fish meal, 2-3 parts of lamp liver powder, 4-5 parts of black tea residue, 2-3 parts of fermented bean curd, 3-4 parts of dried-powder of housefly larvae, 2-3 parts of egg shell powder, 6-8 parts of water hyacinth, 2-3 parts of garlic juice, a proper amount of salt and 4-5 parts of phagostimulant. The feed prepared in the invention is rich in material type and good in palatability, satisfies the omnivorous characteristics of the freshwater shrimps, and contains various fine protein raw materials, so that the fed freshwater shrimps are quick in growth and obvious in weight gain; the garlic juice can be used for strengthening the antibacterial ability of the freshwater shrimps, and reducing the disease occurrence probability. Besides, all the raw materials of the feed are pure natural green raw materials without a drug residue phenomenon.

The invention provides a new preparation method of housefly larva chitosan, which comprises the following steps: 1) performing brine housefly larvae pretreatment to remove impurities; 2) stirring and soaking housefly larva shells with a hydrochloric acid solution, washing; 3) soaking the housefly larva shells washed in step 2) with a sodium hydroxide solution to remove wastes; 4) decoloring the housefly larva shells obtained in step 3) to obtain crude housefly larva chitin; 5) performing deacetylation of the crude housefly larva chitin by a microwave heating method to obtain chitosan. Chitosan is extracted from housefly larva shells by the method of the invention, and the method has the following advantages: 1) the deacetylation degree of the chitosan is increased to 94.4%; when compared with related national standards, the chitosan has a high deacetylation degree, and the product quality is improved by one grade; 2) the recovery rate of the chitosan is increased; 3) the deacetylationprocess is short in time, and low in energy consumption.

The invention discloses feed used for feeding ecological green-eggshell chickens. The feed is composed of corn flour, soybean meal, wheat bran, dried powder of housefly larvae, earthworm powder, bone meal, shell powder, spirulina powder, calcium carbonate powder, mortar powder, a compound bacteria type additive, loach powder, sweet potato powder, blood worm powder, freshwater shrimp powder, fresh yellow mealworm powder, fresh trash fish powder, grass powder, cod-liver oil, dried tangerine or orange peel powder, liquorice root powder, honeysuckle flower powder, almond powder and compound vitamin; all the raw materials are mixed, stirred, crushed, dried, stirred gain, puffed and granulated to obtain the feed. Chemically-synthesized pigments are not added into the feed so that the safety of the feed is enhanced; the maintaining period of the egg laying peak of the green-eggshell chickens is long, the egg laying rate is high, the average annual egg laying rate is increased by about 25%, the egg weight is increased by about 7.8%, and the egg laying performance of the green-eggshell chickens is remarkably improved.

The invention belongs to the food field or the field of bio-energy and develops a new oil material source-oil material insect housefly maggots. Grease can be obtained by carrying out hot air or microwave drying on aged housefly maggots and then using the press method (sending the housefly maggots into a screw press when the housefly maggots are still hot and pressing out the grease) for pressing. The grease can be used as a raw material oil for food, chemical industry and biodiesel. The oil content of the housefly maggots is 13-17%, and the grease extracted therefrom contains a variety of unsaturated fatty acids required by a human body through the analysis of nutritional ingredients, thereby being a high-quality healthy oil material; the growth cycle is short which is only 4-5 days, the occupied area is very small, the cultivation can be carried out under the high-density condition, the annual oil production per mu can achieve about 20t / mu year, and the cultivation can be carried out in an industrial plant without occupying the cultivated land area; and the grease is non-toxic, safe and reliable, and the extraction process is simple.

The invention relates to a house-fly pupa natural antibiotic peptide product as well as a preparation method and application thereof; house-fly pupas, the raw material of the antibiotic peptide product, are extracted overnight by acid and hot-processed to collect supernatant; and after going through siever filtration and ultrafiltration precessing, the supernatant is treated with spray dring to obtain the antibiotic peptide product. The preparation technique of the antibiotic peptide product is simple and quick, the yield of the antibiotic peptide reaches 1.2 percent and the recovery rate of the antibacterial activity is over 80 percent. The prepared house-fly antibiotic product consists of peptides which have the molecular weight less than 20kDa and are mainly micromolecular peptides with the molecular weight less than 14.4 kDa. The antibiotic peptide product has broad-spectrum antibiotic activity and no hemolytic activity to blood erythrocytes of mice and is characterized by high temperature resistance, acid and alkali resistance and good stability. The byproducts of the technique can serve as feeding insect protein powder. The prepared antibiotic peptide product can be widely applied to the fields such as the antisepsis and storage of foods, fruits and vegetables, feed additives, cosmetic and the like.

The invention discloses a method for recycling spent grains of strong aromatic Chinese spirit by using fly larvae. The method comprises the following steps of: collecting, cleanly breeding and domesticating flies, inducing and stabilizing a fly strain suitable for converting the spent grains of the strong aromatic Chinese spirit, preparing an industrial fly larva protein production bottom material, stabilizing a fly strain for producing the spent grains of the strong aromatic Chinese spirit, and producing a fly larva industrial product. Compared with the prior art, the method has the advantages that seed fly distillers' grains are subjected to ecological conversion, functional induction and screening, passage and engineered breeding by a biotechnology, and are recycled mainly by treating and metabolizing houseflies through a modern engineering technical means, ecological degree and bioavailability are high, the decomposition period is short (about 7 days), the product is diversified and high in quality and added value, near zero emission is realized during production, environmental pollution is avoided, fertilizer efficiency is high through scientific proportioning, the method is incomparable to other methods, and the like.