31 results about "Chrysomya megacephala" patented technology

The invention provides a method for trapping and collecting wild hermetia illucens by utilizing chrysomyia megacephala maggot cultivation residues. Specifically, bran and spray-dried animal blood cells are utilized to breed chrysomyia megacephala maggots firstly, then the chrysomyia megacephala maggot cultivation residues are utilized to trap and collect the wild hermetia illucens. According to the method, the suitable period for trapping and collecting the wild hermetia illucens ranges from April to October at the air temperature from 23 DEG C to 35 DEG C on clear and rainless days. The method is quite obvious in the effects of trapping and collecting the hermetia illucens, especially the lysine richly contained in the spray-dried animal blood cells is easily broken into cadaverine and other substances with strong stimulating smell under the action of the chrysomyia megacephala maggots and natural microorganism, the cadaverine and other substances with strong stimulating smell have an extremely strong effect of inducing adult hermetia illucens to lay eggs, and after the eggs of the wild hermetia illucens are hatched and grow under normal temperature, a great quantity of hermetia illucen larva resources can be obtained in a short time. The method is simple, convenient to operate, effective and capable of greatly saving manpower and time for obtaining the wild hermetia illucen larva resources.

The invention belongs to the field of environmental protection, relating to a method for processing utensil rubbishes by Chrysomya megacephala maggot. The method comprises the following steps: after the utensil rubbishes are coarsely crushed, auxiliary materials are added to obtain a Chrysomya megacephala maggot culture material; Chrysomya megacephala ovum is accessed on the surface of the Chrysomya megacephala maggot culture material; the larvae incubated by the Chrysomya megacephala maggot eat and decompose the culture material to process and clear the utensil rubbishes. Before the Chrysomya megacephala larvae are aged, the outer part of Chrysomya megacephala maggot culture material stacking area is connected with a polypide collection container in which dried rice bran powder is arranged for guiding and collecting aged Chrysomya megacephala maggot. Residual processed Chrysomya megacephala maggot culture material is dried and processed into an organic fertilizer. The method of the invention has strong processing capability and higher processing speed than common compost; the processing period is 4-5 days; after processed, the capacity of the utensil rubbishes is reduced by 10-30%, and a peculiar smell is reduced; high-quality organic fertilizer and high-quality insect biologic protein are obtained while processing the utensil rubbishes.

The invention discloses a method for obtaining organic fertilizer and bioprotein simultaneously by biologically treating inapplicable fresh tobacco leaves with chrysomya megacephala larva. The method mixes the inapplicable fresh tobacco leaves with auxiliary materials such as fish meal, guarantees the growth effect of the chrysomya megacephala on basis of scientifically treating the inapplicable tobacco leaves; and finally collects pure larva and breeding residues respectively, thus obtaining two products of nicotine-free bioprotein and organic fertilizer. About 3-4 tons of commercially bio-organic fertilizer and about 0.8-1.2 tons of the nicotine-free bioprotein can be produced by treating 10 tons of the inapplicable fresh tobacco leaves, so that efficient resource utilization of the inapplicable fresh tobacco leaves can be realized and wastes are changed into wealth. The place occupied by the method is small, and can be used repeatedly, without changing land usage. According to the method, the tobacco leaves only need to be cut or chopped into 2-3 cm, so that smashing cost is significantly reduced; a processing process has low energy consumption and few emissions; and the produced bio-organic fertilizer and bioprotein can increase profits.

The invention belongs to the artificial culture insect technical field, and specifically relates to a Chrysomyia megacephala larva egg mass collecting method and application; the invention comprises egg mass collecting material using pig dung as matrix and an egg mass collecting method; the method is characterized by comprising the following steps: 1, using pig dung freshly excreted in the same day as the egg mass collecting matrix, making water content up to 75%, and carrying out anaerobic fermentation for 6-12 hours, thus obtaining the egg mass collecting matrix; 2, thickening the egg mass collecting matrix on corners and edges of an egg mass collecting disc; 3, placing the egg mass colleting matrix into a fly cage for 8-18 hours every day, collecting fly eggs in every 2 hours, storing the egg mass of the same day at the temperature of 4 DEG C, and concentrating and hatching the eggs at 30 DEG C; 4, adding egg mass collecting matrix at proper time after the egg mass is collected, and keeping the matrix moist; 5, covering wheat bran of 65% water content on the surface of the egg mass, using a film for moisture retention, and hatching the eggs at 30 DEG C. The novel method can solve the Chrysomyia megacephala simultaneous hatching problems, and the egg mass collecting matrix is better than a normal method; the Chrysomyia megacephala larva egg mass collecting method and application are low in cost, good in egg collecting effect, and high in egg survival rate.

The invention provides a toad-fed maggot breeding method. The breeding method comprises the following steps of by taking disinfected corpses of bufo bufo gargarizans as a culture medium, cultivating fly eggs of calliphoridae insect chrysomyia megacephala in a place with higher content of toad venom behind ears of the bufo bufo gargarizans, then placing the bufo bufo gargarizans in environment withtemperature of 25-30 DEG C, and humidity of 30-35 DEG C for 5-7 days, and collecting larvae to obtain toad-fed maggot. According to the breeding method, culture is simple, complex culture medium configuration is avoided, the culture period is short, the survival rate of the fly eggs is high, the fly eggs can effectively absorb the toad venom behind the ears of the bufo gargarizans, and the obtained toad-fed maggot is high in medicinal value and yield.

The invention discloses a method of treating horse dung with Chrysomya megacephala to prepare an organic fertilizer, which belongs to the field of environmental protection technology. The method is as follows: horse dung is crushed into particles with a particle size of 1 to 5 mm; accessories are added into crushed horse dung, and a culture material is prepared from an obtained mixture; ova of Chrysomya megacephala are inoculated on the surface of the culture material and cultured for 4 to 5 days at a temperature of 25 to 35 DEG C; the culture material is collected, dried and prepared to obtain the organic fertilizer; wherein, the accessories comprise feather powder, meat and bone powder and spray-dried blood cells. The method provided in the invention has the advantages of strong treating capability, a small occupation area and low energy consumption in the process of treating; the method enables a biological organic fertilizer and Chrysomya megacephala maggot bioproteins to be obtained in the process of treating horse dung, thereby realizing resource utilization of horse dung, changing waste into valuables, improving environmental sanitation and producing the organic fertilizer and bioproteins; therefore, the method has a very good application prospect.

The invention discloses a cultivating method of a nicotine-resisting chrysomyia megacephala strain. According to the cultivating method, chrysomyia megacephala fly blows of the nicotine-resisting chrysomyia megacephala strain are inoculated into first formula materials containing nicotine, the fly blows are cultivated until larvae are ripe and pupate, after fly pupae are subjected to emergence, second formula materials are used for feeding adults, after the adults carry out oviposition, a next-generation domestication cultivating is carried out, and by continuous domestication cultivating of 20-30 generations, the stable nicotine-resisting chrysomyia megacephala strain can be obtained. The first formula materials comprise, by weight, the components of 70%-85% of bran and 15%-30% of imported fish meal, and a nicotine water solution with the mass percent concentration of 0.3% is used for adjusting the humidity of the formula materials into 60%. According to the method, the nicotine water solution with the proper concentration is directly used for being combined with the bran and the imported fish meal in a scientific mode, the obtained first formula materials successfully cover the unpleasant smell and bitter taste of nicotine, nutrient components are proper, smooth growing of the chrysomyia megacephala larvae is guaranteed, due to the proper and certain nicotine content, the fact that the obtained chrysomyia megacephala maggot rates of the formula materials with the same weight combination in different batches under the same cultivation environment are basically the same is guaranteed, and a stable cultivating effect is obtained.

The invention relates to a method for treating sludge produced by a slaughtering wastewater treatment plant by using chrysomyia megacephala maggots and a material formula. According to the method, adjuvants are added to the sludge and are stirred so as to prepare a chrysomyia megacephala maggot feeding material, chrysomyia megacephala eggs are put into the chrysomyia megacephala maggot feeding material, and larvae incubated from the chrysomyia megacephala eggs eat the chrysomyia megacephala maggot feeding material, so that the sludge is treated. The mass fraction of the sludge in the chrysomyia megacephala maggot feeding material is 45-95%, the rest is the adjuvants, and the adjuvants consist of the following substances in percentage by weight: 0-30% of cattle manure, 0-40% of bagasse, 0-10% of rapeseed meal, 0-40% of peanut shell, 0-30% of corncob, 0-30% of beer dregs, 0-30% of bran powder, 0-5% of potassium dihydrogen phosphate and 0-5% of sodium dihydrogen phosphate. The method and the material formula have the advantages that the treating capacity is strong, the treating speed is higher than that of ordinary composting, and the treatment cycle is 4-5 days. After treatment, the volume of the sludge is decreased by 10-30%, odors are reduced, and meanwhile, a high-quality organic fertilizer and high-quality insect biological protein can be obtained.

The invention discloses an insect protein-containing piglet creep feed and a preparation method thereof. The piglet creep feed is prepared from the following raw materials: extruded corn, corn, broken rice, whey powder, extruded soybeans, soya-bean oil, 46% bean pulp, insect protein powder, plasma protein powder, limestone powder, calcium hydrophosphate, lysine, threonine, methionine, an acidifier, zinc oxide and anthony pig premix. The insect protein powder is prepared by mixing one or more of housefly protein powder, black soldier fly larvae protein powder and chrysomyia megacephala protein powder. The creep feed is a non-fish meal creep feed, the dependence of the piglet creep feed on imported fish meal can be reduced, and meanwhile, the intestinal health of piglets can be improved by an antibacterial peptide contained in the insect protein powder.

The invention discloses a milking sow feed containing insect powder and a preparation method of the milking sow feed. The milking sow feed is prepared from the following raw materials: corn, beet pulp, the insect powder, 43% of soybean meal, calcium hydrophosphate, stone powder, sodium chloride, phytase, antioxidant, lysine, threonine, methionine and a milking sow premix agent, wherein the insect powder is prepared by mixing one or several of housefly powder, hermetia illucens powder and chrysomyia megacephala powder. The milking sow feed has the advantages that the insect powder is used for replacing common fish meal and soybean oil (extruded soybean) in the milking sow feed, so that the production cost of the milking sow feed is obviously reduced; rich medium-chain fatty acid contained in the insect powder has a stronger sterilization function, and the intestinal health of a milking sow is obviously improved.

The invention relates to the technical field of animal cultivation, in particular to a chrysomyia megacephala culture medium and a preparation method thereof and a culture method of chrysomyia megacephala. The culture medium is prepared from fish meal, milk powder, yeast powder, sodium chloride, agar and water. The culture medium has the advantages that the components are simple, the cost is low,nutrition matching is reasonable, the growth activities of chrysomyia megacephala larvae are observed conveniently, and sampling is convenient; the solid culture medium is adopted to culture the chrysomyia megacephala, and is conductive to the study of the individual differences and population differences of the chrysomyia megacephala; the cultivation process does not produce a foul odor, does notaffect normal life, and can be widely applied to large-scale and small-scale cultivation requirements.

A method for processing sludge generated in a domestic sewage treatment plant by using chrysomyia megacephala maggot and a material formula are disclosed. The method comprises: adding auxiliary materials into the sludge and stirring to prepare a chrysomyia megacephala maggot feeding material; then adding chrysomyia megacephala spawns, and making larvae incubated from the chrysomyia megacephala spawns eat the chrysomyia megacephala maggot feeding material, so as to have the sludge generated in the domestic sewage treatment plant processed. The sludge in the chrysomyia megacephala maggot feeding material accounts for 45%-95% by mass percent, the balance are auxiliary materials, and the auxiliary materials consist of the following materials by weight ratio: 0-30% of cow dung, 0-40% of bagasse, 0-10% of rapeseed meal, 0-40% of peanut shell, 0-30% of comcob, 0-30% of beer residue, 0-30% of bran powder, 0-5% of potassium dihydrogen phosphate, and 0-5% of sodium dihydrogen phosphate. According to the method and the material formula, the processing capacity is strong, the processing speed is faster than conventional composting, and the processing period is 4-5 days. After processed, the sludge is reduced by 10-30% in capacity and lightened in peculiar smell; and also high-quality organic fertilizer and high-quality insect biological protein can be obtained.

The invention discloses a preparation method of a chrysomya megacephala larva peptide homogenate. The preparation method comprises following steps: maggot body impurity removing, body surface disinfection, pulp refining, centrifugation, homogenizing, bottle filling, and disinfection. The preparation method is simple, is convenient to control, and is low in production cost; an obtained high protein function beverage is high in protein content and abundant in nutrients, is capable of promoting industrialization of fly maggot culturing, and possesses active economic and social benefits. A filter residue obtained in the production process can be taken as a raw material used for preparing chitin, so that reduction and recycling of leftovers generated in agricultural and sideline product processing are realized, pollution is reduced, and production cost is reduced.

The invention discloses a method for strengthening nicotine-resisting chrysomyia megacephala breeds. The method comprises the steps that spawns produced by the screened wild nicotine-resisting chrysomyia megacephala breeds are bred into adults through initial breeding materials with nicotine, and the spawns produced by the adults are strengthened N times through proper strengthening breeding materials and bred into adults. The initial breeding materials are composed of, by weight, 70 percent to 85 percent of bran and 15 percent to 30 percent of imported fish meal, and the humidity of the formula materials is adjusted to 60 percent through the nicotine aqueous solution with the mass percent concentration of one permillage. The nicotine aqueous solution with the proper concentration is directly and scientifically combined with the bran and the imported fish meal, chrysomyia megacephala is successfully strengthened and bred, the nicotine resisting capacity of the chrysomyia megacephala can be effectively and gradually improved, severe dispause of the chrysomyia megacephala cannot be caused, the nicotine resisting capacity of the wild chrysomyia megacephala breeds can be strengthened step by step, and the more stable breeding effect is obtained.