52results about How to "Guaranteed hatch rate" patented technology

The invention provides a method for cultivating earthworms. The method comprises the steps that first, a base box body is sequentially filled with river stones, gravel and silver sand, an earthworm cultivation box is placed on the base box body, organic waste mixtures are arranged in the earthworm cultivation box, then earthworm seedlings are put into the earthworm cultivation box, after the earthworms are cultivated for 30 days, organic waste mixtures are continuously added into the earthworm cultivation box until the earthworm cultivation box is filled with the organic waste mixtures; earthworm cultivation boxes are continuously placed on the earthworm cultivation box filled with the organic waste mixtures, after the earthworm cultivation box at the top layer is filled with the organic waste mixtures, the earthworm cultivation box at the bottom layer is drawn out, and the earthworm cultivation box is placed back to the top layer after earthworm cast in the earthworm cultivation box is cleaned away to achieve circulation cultivation. The method for cultivating the earthworms has the advantages that the facts that earthworms are bred from generation to generation, are inbred and are in variety degeneration are avoided, and breed conservation and reproduction of the earthworms can be better achieved. Adult earthworms are harvested conveniently, the living and incubation environment of the earthworms is not damaged, the incubation rate is guaranteed, and the method is suitable for earthworm industrial large-scale cultivation.

The invention relates to an artificial propagation method of Odontobutis obscura, belonging to the technical filed of artificial fish breeding, and comprising the following steps: parent fish selection; parent fish breeding; artificial insemination; germ cell delamination; artifical incubation; and fry breeding. The technical scheme provided by the invention solves the technical problem that the germ cell of the Odontobutis obscura is easy to mildew and rot, can ensure the fertility rate and rate of hatchability which are respectively over 66% and over 26%. The invention has simple operation, is not rigour, has wide applicability and can meet the requirement of industrialization breed in batch.

The invention provides a pharmaceutical composition for chickens' internal lesion caused by overexertion and a preparation method of the pharmaceutical composition. The pharmaceutical composition comprises angelica sinensis, montane parsely, rehmannia glutinosa libosch, bulb of fritillary, rehmannia glutinosa, cuscuta chinensis, asparagus cochinchinensis, thalictrum simplex L. var. brevipes Hara, ophiopogon japonicus, Chinese wolfberries, limonium bicolor, poria cocos, cornus officinalis, arthraxon hispidus, Chinese yam, medicago archiducis-nicolai, radix codonopsis, tokay gecko, Chinese magnoliavine fruit, spinach beet seeds, Chinese arborvitae seeds, achyranthes bidentata, cinnamon, eucommia ulmoides, cyperus malaccensis Lam.var.brevifolius Bocklr, melastoma dodecandrum Lour, gymnadenia conopsea, fructus mori alba, pileostegia viburnoides Hook. f. et Thoms., polygonatum odoratum, arisaema cum bile, asterina pectinifera and lotus seeds. The pharmaceutical composition has the advantages that the pharmaceutical composition is capable of tonifying Qi, replenishing blood, nourishing Yin and tonifying Yang, not only can cure chickens' internal lesion caused by overexertion, but also can improve immunity of chickens and is remarkable in curative effect, low in price and free of toxic and side effects; additionally, fertilization rate of hens and hatching rate of hatching eggs can be well guaranteed.

The invention provides a compound feed for treating chicken internal lesion caused by overexertion and a preparation method of the compound feed for treating the chicken internal lesion caused by the overexertion. The compound feed is prepared from the following raw materials: corn, wheat, millet, sticky rice, rice bran, bean pulp, rapeseed meal, DDGS, wheat bean, mung bean flour, lotus powder, fish meal, bone meal, carrots, Chinese yam flour, mountain flour, stiff silkworm powder, corn oil, table salt, vitamin premix and a trace element premix. The preparation method of the compound feed comprises the following steps: a crushing step, a burdening step and a pelletizing step. The compound feed disclosed by the invention has the beneficial effects of containing the traditional Chinese medicine additive with effects of replenishing qi, enriching the blood, nourishing yin and tonifying yang, not only can be used for treating the chicken internal lesion caused by the overexertion, but also can be used for improving the immunity of chicken, and has the advantages of remarkable curative effect, low price, and no toxic and side effects. Besides, the compound feed further can be used for guaranteeing the fertility rate of hens and the hatching rate of hatching eggs.

The invention discloses a special composite vitamin premix feed preparation for breeding poultry. The special composite vitamin premix feed preparation for breeding poultry per 1000 parts by weight comprises the following components in parts by weight: 726.8-839.1 parts of composite fermentation fine powder of traditional Chinese medicines, 92.5-137.1 parts of vitamins, 8-15 parts of amino acid, 25-35 parts of polysaccharide, 10-15 parts of zinc methionine and 50-75 parts of dihydropyridine. One purpose of the invention aims at providing the special composite vitamin premixed feed preparation for breeding poultry, wherein the special composite vitamin premixed feed preparation has the functions of improving the feed conversion rate and the productivity of breeding poultry, restraining harmful bacteria and the like, is convenient to use and has low use cost, performance price ratio, no antibiotic residues and no antibiotic resistance, and the other purpose of the invention aims at providing a preparation method and application of the special composite vitamin premixed feed preparation for breeding poultry.

The invention discloses an incubation method for enhancing the day hatchability rate of silkworm eggs, comprising the following steps of: concretely setting the environmental parameters of embryonic development stages from D1 to F5 by taking the D1 as an incubating and temperature-increasing initial embryo; when staged embryonic development lag rate alpha is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be higher than the temperature upper limit value of a corresponding embryonic development stage by 0.5-1 DEG C, wherein the environmental humidity of the embryonic development stage is increased by 3-5 percent on the basis of a humidity upper limit value of the corresponding embryonic development stage; and when staged embryonic development advance rate beta is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be lower than the temperature lower limit of the corresponding embryonic development stage by 0.5-1 DEG C. The incubation method not only reasonably and accurately determines the environmental condition parameters of the development stages of the silkworm egg, but also carries out the mutual matching and coordination among the environmental parameters of the embryonic development stages, is convenient to implement the staged regulation for the silkworm eggs and has very wide popularization and application prospect.

The invention discloses a mixed feed for pigeons of 2-3 years old and a preparation method thereof, wherein the feed comprises the raw materials as follows: corn, brown rice, wheat, millet, white flower seed, cottonseed meal, broomcorn, pea, peanut, bean pulp, watermelon skin, carrot, yam flour, stiff silkworm powder, DDGS, whey powder, beer yeast, edible salt, garlic oil, vitamin premixed materials and trace element premixed materials; the preparation method comprises the following steps of crushing, burdening and pelletizing. The invention has the beneficial effects that the feed mainly treats scabies of the pigeons of 2-3 years old, contains traditional Chinese additives with clearing heat and toxic materials and helminthic effects, can improve immunity of the pigeons and can improve disease resistance of the pigeons, has the advantages of high pertinence, obvious therapeutic effect without relapse, capability of shortening medication time interval and medication times and no toxic and side effects and can well guarantee hatchability and laying rate of female pigeons.

The invention provides a schizothorax waltoni fertilized egg incubating method. Before reaching the sarcomere appearing stage, fertilized eggs are placed in an incubating frame to be incubated in flowing water; after the fertilized eggs grow to the sarcomere appearing stage, dead eggs are removed, and the fertilized eggs are moved into a fish egg incubator to be incubated. In combination with thecharacteristics of the schizothorax waltoni fertilized eggs in the sensitive period, incubating is conducted in different stages, labor input is effectively reduced, and the method is suitable for large-scale artificial propagation of schizothorax waltoni.

The invention relates to the technical field of rare bird breeding, in particular to an artificial variable temperature incubation method suitable for species bar-headed gooses endemic to the Qinghai-Tibet Plateau. The method comprises the first step of preparation before incubation, wherein 1, an incubator and associated equipment are cleaned, disinfected and debugged, and 2, eggs are cleaned and disinfected; the second step of temperature and humidity control during incubation, wherein 1, the temperature is controlled, and 2, the humidity is controlled; the third step of management during incubation, wherein 1, the eggs are turned, 2, the eggs are candled, and 3, the eggs are cooled; and the fourth step of egg traying and hatching, wherein according to the incubation method, bar-headed goose hatching eggs are hatched 28 days after incubation, traying is carried out on normal embryo hatching eggs at the 26th day of incubation, and water at the temperature of 30 DEG C is sprayed 4-5 times every day to soften egg shells. The artificial variable temperature incubation method has the advantages of being reliable in principle, capable of improving the hatching egg hatching rate to 92-95% and suitable for being used and popularized in the Qinghai-Tibet Plateau and even the whole nation.

The invention discloses a Chinese-box-turtle incubation sex temperature control method and system. The temperature control method includes the steps that the temperature control system is installed in an incubation room, fertilized eggs are buried into sandy soil in the incubation room at certain intervals and certain depths, if it is needed that the proportion of the male in incubated young turtles is large, the temperature in the incubation room is controlled to range 26 DEG C to 29 DEG C, and if it is needed that the proportion of the female in the incubated young turtles is large, the temperature in the incubation room is controlled to range 29 DEG C to 32 DEG C. The Chinese-box-turtle incubation sex temperature control system comprises a temperature sensor, an A / D converter and a single-chip microcomputer. The signal output end of the temperature sensor is connected with the signal input end of the A / D converter, the signal output end of the A / D converter is connected with the signal input end of the single-chip microcomputer, the signal output end of the single-chip microcomputer is connected with the signal input end of an alarm apparatus, the signal input end of a displayer and the signal input end of an integrated power amplifier, and the signal output end of the integrated power amplifier is connected with a semiconductor heating and refrigerating sheet.

The invention discloses a biological brick used for the growth and reproduction of Hermetia illucens and its production and using method. The biological brick for the growth and reproduction of Hermetia illucens is made of the following components in parts by weight: 20-40 parts of bran, 10-30 parts of loess, 1-5 parts of CMC-Na, 0.3-3 parts of calcium propionate, and 10-50 parts of water. The biological brick has special shape and functions, integrates three major functions of egg collection, hatching and larva feeding in one, has wide sources of raw materials, low production cost, and shortgrowth cycle, can remarkably improve the efficiency of collecting eggs and the quality of the larvae, can be used as a nutrition enhancer for Hermetia illucens larvae, also can significantly improve the survival rate of Hermetia illucens larvae, has great potential in the popularization and application of large-scale and industrialized artificial reproduction of Hermetia illucens, and has better social and economic value.

A method for domesticating wild flies is a method aiming at preferably improving fly population under wild conditions. The method mainly comprises maggot obtaining, sterilizing, maggot hatching and fly domesticating. The steps are as follows: the maggots are fished from the cesspits by fishing tools and then are placed into the prepared feed after being cleaned, the maggots grow and mature 2-3 days later, then the mature maggots are collected into a big plastic pot, and bran is scattered on the maggots and a woven bag is covered on the maggots to prevent the maggots from escaping; 2-3 days later, the maggots become red pupae and the pupae are sifted out with sieves, sterilized with potassium permanganate solution for 10min and then fished out and aired; the pupae are placed into the plastic pot again and little bran is scattered to continue hatching; the first batch of hatched flies need to be fed with the best feed under quiet environment to increase the spawning rate, when the descendants of the first batch of flies begin hatching, the seed maggots are timely evicted out of the culture room, and after the above processes are repeated until the fourth generation, the domestication of the seed maggots succeeds.

The invention provides a large-scale hatching system for schizopygopsis younghusbandi regan eggs in Tibet. The system comprises a production support and incubators, the production support is arrangedon the inclined ground, and a water outlet is formed at the lower side of the ground; a plurality of rows of incubators are placed on the production support, and a water outlet pipe with a valve is arranged above each incubator; and each incubator comprises an incubation barrel, an overflow groove, a flow guide groove and a water inlet pipe, the water inlet end of each water inlet pipe is connected with the corresponding water outlet pipe, the water outlet end of each water inlet pipe is inserted from an opening at the top of the corresponding incubation barrel, a water outlet is close to thebottom of each incubation barrel, and the overflow grooves surround the outer side walls of the upper ends of the incubation barrels. The hatching system is high in survival rate of hatched fish eggs,high in production efficiency and capable of achieving large-scale production in Tibet.

The invention discloses a special multivitamin immunopolysaccharide microemulsion preparation for waterfowl. Each 1050 parts of the special multivitamin immunopolysaccharide microemulsion preparation for the waterfowl by weight comprises a traditional Chinese medicinal extract, 51.11-102.52 parts of multivitamin, 25.5-51.5 parts of polysaccharide and 12.5-25 parts of sunflower seed oil by weight, wherein the traditional Chinese medicinal extract is obtained by performing alcohol extraction on the following traditional Chinese medicinal raw materials in parts by weight: 200-250 parts of honeysuckle, 350-400 parts of radix bupleuri, 400-450 parts of indigowoad leaf, 150-200 parts of rheum officinale, 100-150 parts of motherwort, 100-150 parts of radix gentianae and 60-80 parts of liquorice. The invention aims to provide the special multivitamin immunopolysaccharide microemulsion preparation for the waterfowl, which can quickly supplement nutrition, resist diseases and promote growth. The invention also aims to provide a preparation method and specific application of the special multivitamin immunopolysaccharide microemulsion preparation for the waterfowl.

The invention provides an indoor expanding propagation method for oriusstrigicollis, and relates to the technical field of insect breeding. The method provided by the invention comprises egg collection, egg hatching and nymph breeding, adult collection and egg refrigeration. According to the method provided by the invention, a host plant for breeding thrips and an oviposition carrier of the oriusstrigicollis are set as kidney bean pods, so that breeding steps are simplified, and the development of large-scale breeding of the oriusstrigicollis is facilitated. A bedding material arranged in an oviposition device can reduce the humidity by about 10% to improve the survival rate of adults and the number of laid eggs; covers with different hollow diameters are matched during hatching, so that the hatching rate can be increased by 20%; the sucked adults mate quickly in a petri dish in advance before being placed in the oviposition device, so that the number of the laid eggs on a single kidney bean is increased by 105%. By using the method provided by the invention, the obtained eggs of the oriusstrigicollis are refrigerated in the environment of 8 DEG C for 8 days, and the egg hatching rate can be enabled to be 70% or above, and the adult collection rate is about 30%.

The invention discloses a breeding method for improving hatchability of yellow feather broilers. A breeding feed of the yellow feather broilers and a breeding method of the yellow feather broilers are involved. The breeding feed of the yellow feather broilers is prepared from, by weight, 63-67 parts of corn, 21-25% of 46% bean pulp, 4-6 parts of extruded soybeans, 2.8-3.2 parts of soybean oil, 1.4-1.7 parts of mountain flour, 0.8-1 part of calcium hydrophosphate, 0.2-0.4 part of sodium chloride, 0.05-0.08 part of 99% methionine, 0.02-0.04 part of compound chicken vitamin, 0.08-0.15 part of compound chicken ore, 0.12-0.15 part of choline, 0.03-0.05 part of complex enzyme preparation, 0.08-0.12 part of composite microecologics and 0.03-0.04 part of 15% bacitracin zinc. The digestibility of the breeding feed can be greatly improved, the palatability of the feed is improved, the immunity and disease resistance of the yellow feather broilers are enhanced, and the morbidity of yellow feather broilers is lowered, so that the survival rate of the yellow feather broilers is improved, and the hatchability of the yellow feather broilers is ensured.

The invention provides a method for cultivating earthworms. The method comprises the steps that first, a base box body is sequentially filled with river stones, gravel and silver sand, an earthworm cultivation box is placed on the base box body, organic waste mixtures are arranged in the earthworm cultivation box, then earthworm seedlings are put into the earthworm cultivation box, after the earthworms are cultivated for 30 days, organic waste mixtures are continuously added into the earthworm cultivation box until the earthworm cultivation box is filled with the organic waste mixtures; earthworm cultivation boxes are continuously placed on the earthworm cultivation box filled with the organic waste mixtures, after the earthworm cultivation box at the top layer is filled with the organic waste mixtures, the earthworm cultivation box at the bottom layer is drawn out, and the earthworm cultivation box is placed back to the top layer after earthworm cast in the earthworm cultivation box is cleaned away to achieve circulation cultivation. The method for cultivating the earthworms has the advantages that the facts that earthworms are bred from generation to generation, are inbred and are in variety degeneration are avoided, and breed conservation and reproduction of the earthworms can be better achieved. Adult earthworms are harvested conveniently, the living and incubation environment of the earthworms is not damaged, the incubation rate is guaranteed, and the method is suitable for earthworm industrial large-scale cultivation.

The invention provides a separation device for treating garbage by earthworms and a using method thereof. The separation device for treating garbage by earthworms comprises a frame body, wherein the two sides of the top of the frame body are fixedly connected with first motor cabinets, the interiors of the two first motor cabinets are fixedly connected with first motors, output shafts of the two first motors are fixedly connected with first rotating shafts, one ends of the two first rotating shafts sequentially penetrate through the first motor cabinets and the frame body and extend to the interior of the frame body, and one ends, located inside the frame body, of the two first rotating shafts are both rotatably connected with transmission devices. The separation device for treating the garbage by the earthworms and the using method of the separation device have the advantages that earthworm cocoons can be quickly separated from earthworm excrement by floating separation, the earthwormcocoons can be hatched in the mud, the survival rate and the hatchability of the earthworm cocoons are not greatly influenced by soaking the earthworm cocoons in the mud, the survival rate and the hatchability of the earthworm cocoons are guaranteed, and the used mud is mixed with the excrement of the earthworm and can be used for a second time as fertilizers.

The invention discloses a pharmaceutical composition for treating pigeon body psoroptic mange and a preparation method of the pharmaceutical composition. Raw materials of the pharmaceutical composition for treating the pigeon body psoroptic mange comprise cortex meliae, garlic, ox's thyroid gland, aloe, lilac daphne flower bud, sweet vernal grass, bambusa glaucophylla, polygonum aviculare, fructus evodiae, thelephora vialis, scirpus subcapitatus, lythrum, ailanthus altissima, diuranthera major, lycopodium phlegmaria, red-knees herb, radish leaves, lysimachia foenum-graecum, costustoot, turbinate aster, rhizoma anemarrhenae, rhizoma phragmitis, draba nemorosa, root of Chinese trichosanthes, glabrous greenbrier rhizome, dayflower, medicago lupulina, dandelion, sesbania, japanese violet herb or root, scandent schefflera stem and leaf and edible tulip. The pharmaceutical composition for treating the pigeon body psoroptic mange has the beneficial effects that the pharmaceutical composition has the effects of clearing away heat and toxic materials and expelling parasites and is mainly used for treating pigeon body psoroptic mange of pigeons 2-3 years in age, so that immunity of the pigeons is improved, and disease resistance of the pigeons can alsobe improved; the advantages of strong targeted property, obvious curative effect, difficulty in occurrence, short medication time interval, low medication frequency and no toxic or side effect are realized, and hatchability and laying rate of female pigeons can be well guaranteed.

The invention discloses an artificial feed for armyworm larvae as well as packaging and using methods of the artificial feed. The artificial feed is prepared from the following raw materials in percentage by mass: 0.8-0.9% of agar, 0.1-0.2% of potassium sorbate, 0.05-0.08% of sodium methyl niplatin, 4-6% of wheat bran, 4-6% of corn straw powder, 1-2% of yeast, 0.5-0.8% of glucose, 0.4-0.5% of vitamin C and the balance of water. The prepared artificial feed for the armyworms has the advantages that the armyworms like to eat the artificial feed, nutrition needed by the armyworms in all stages can be guaranteed, and the survival rate, the pupation rate and the hatching rate in the artificial feeding process are guaranteed.

The invention discloses a method for cultivating artificially reproduced parent fish of sturgeon. According to the method, preparative parent fish is screened systematically and purposefully in multiple stages from advanced fry to form a stable parent fish preparative population, the number of the preparative fish to be raised as parent fish can be guaranteed, the number of egg-laying population can be increased, and the whole fertility can be improved; the parent fish population is further optimized by selecting and raising the parent fish, the parent fish is subjected to enhanced raising indifferent tanks after sex of the parent fish is mature, the parent fish has excellent gonad development by adjusting the water temperature and nutrition for raising, and fertilized eggs with excellentquality can be obtained. Parent sturgeon is carefully raised after delivery, so that the casualty rate of delivered parent sturgeon is reduced, and the limited parent sturgeon resource is protected.Therefore, the brood amount and induced spawning rate of sturgeon can be improved, and high-quality artificial reproduced parent population with high reproductivity capacity can be formed; and the fertility rate and hatching rate can be guaranteed, the fry seeds have high survival rate, and the development of artificial sturgeon raising industry in China can be favored.

The invention discloses a full-automatic quail hatching device with an automatic temperature control function. The full-automatic quail hatching device comprises a hatching box, a placement frame anda placement groove, wherein the placement frame is arranged in the hatching box; the placement groove is arranged on the placement frame; a fumigation disinfection mechanism is mounted in the hatchingbox and is located on a lower side wall surface of the hatching box; a control adjustment mechanism is mounted on a right side wall surface of the hatching box; an auxiliary overturning mechanism ismounted between the placement frame and the hatching box. According to the full-automatic quail hatching device with the automatic temperature control function, disclosed by the invention, the fumigation disinfection mechanism is used for disinfecting hatching eggs put into the hatching box; the temperature and humidity in the hatching box are controlled and adjusted through the control adjustmentmechanism and the hatching rate of quails is improved; meanwhile, the auxiliary overturning mechanism is matched and the angles of the hatching eggs are automatically adjusted in a hatching process,so that the hatching eggs are uniformly heated and the hatching rate is guaranteed to the greatest extent; the full-automatic quail hatching device is simple in structure, convenient to operate and relatively low in cost.

The invention relates to the technical field of artificial breeding of insects, in particular to an indoor device for efficiently breeding spodoptera frugiperda population. The indoor device comprises a support frame, wherein a nylon net cover with an opening on one side is connected to the outer side wall of the support frame in a sleeving mode, and the opening end of the nylon net cover is connected with a door curtain for sealing the nylon net cover through a zipper. According to the population feeding device and method, the phenomenon of killing each other is avoided, the difficulty of increasing the population number is restrained, and manpower and financial resources are saved. Matrix soil, a plastic basin, a PVC pipe, a three-way connector, a nylon net and the zipper are mainly utilized to be arranged into feeding equipment which is simple in structure, assembling is convenient and fast, the aim of mass feeding can be achieved without consuming a large amount of manpower and energy, in addition, the setting condition of the device simulates the field life history of spodoptera frugiperda, and therefore, a natural development environment for the indoor spodoptera frugiperda is constructed, and the problem that feeding is difficult is solved.

The invention discloses a method for artificial breeding of sturgeon fry, which comprises the steps of parental gene bank and file building, parent fish selection and cultivation, artificial egg collection and insemination, fry hatching and cultivation, and the like. By collecting wild sturgeons to establish wild parent gene banks, combined with self-cultivated or purchased artificially cultivated parent gene banks, strain files are established, kinship reorganization is carried out, and sturgeon fry with excellent quality are cultivated. The invention carefully cultivates and domesticates the parent fish used for breeding, promotes the healthy growth and development of the parent fish, and fundamentally guarantees the quality of the offspring sturgeon; carefully controls the hatching environment and fry, ensures the hatching rate and the survival rate of the larvae, and obtains high-quality and healthy adult sturgeon. Sturgeon fry for the sturgeon aquaculture industry, which in turn is beneficial to the development of the artificially cultured sturgeon industry in China.

The invention discloses a non-contact magnetic measuring element, which relates to a detection control system. The technical scheme of the non-contact magnetic measuring element is as follows: the non-contact magnetic measuring element measures electrical pulse signals formed by the running of a fan blade; then the electrical pulse signals are subject to filtering isolation and pass through a trigger and a catcher; and finally, the processed electrical pulse signals are output to an MPU (micro processing unit) system to count, thereby obtaining the revolving speed value of the fan blade. The non-contact magnetic measuring element provided by the invention has the beneficial effects that because of adopting the technical scheme, the measuring element can measure the revolving speed value of the fan blade, and control the uniformity of a temperature field, thereby guaranteeing the consistency of temperatures of hatching eggs and the birth rate of the hatching eggs.

The invention provides a purification and expanding propagation method for propylaea japonica. The method comprises the steps that 1, the propylaea japonica is fed in an insect feeding cage, wherein horsebean seedlings are planted and enough pea aphids are fed in the insect feeding cage, a flowerpot of horsebean seedling planting is wrapped with a preservative film, and the number of the stretching blades of the horsebean seedlings is as little as possible so that most of spawn is spawned on the preservative film; 2, the spawned preservative film is collected, and larvae are hatched in a warm and humid condition; 3, the larvae are taken out in time and put into another insect feeding cage to be fed, after the larvae pupate, the spawn collecting operation in the step 2 is stopped; 4, after the spawn in another insect feeding cage in the step 3 is collected through the preservative film, the step 2, the step 3 and the step 4 are repeated until five generations, and the purified spawn is obtained; 5, after the purified spawn is hatched, expanding propagation in the insect feeding cage is conducted. The purification and expanding propagation method is beneficial to purify the generation number of propylaea japonica in the field and reduce newly hatched larvae and imagoes feeding of the spawn indoors, the operation is easy, the cost is low, and purification and expanding propagation for propylaea japonica indoors can be completed effectively.

The invention discloses a water purification and pressurization system for an incubator. The system is characterized by comprising a water purification group and a pressurization group, wherein the water purification group comprises a quartz sand filter, an activated carbon filter and a softening box which are sequentially connected through pipelines, and an ionic resin layer is arranged in the softening box; and the quartz sand filter is communicated with raw water. The water purification and pressurization system for the incubator can provide pure water for the incubator, solve the problem that nozzles are easy to block, reduce maintenance times of the incubator and improve economic benefits.

The invention relates to a paper bag hatching method and paper bag hatching equipment. According to the method, when eggs are moved to a hatcher ray, hatching eggs are placed into paper bags till young birds are grown; the hatching eggs placed in the same paper bag are from the same source; and the hatching eggs which are from the same source and in the same paper bag are from the same family. The equipment comprises paper bags, wherein each paper bag comprises a front side, a back side, a left side, a right side, a bottom side and a top cover; the top cover is openable; and the paper bags are made of a breathable material or have one or a plurality of vents on at least one side. The method and the equipment facilitate the differentiation of young birds from different lines and families, prevent young birds from different lines and families pecking one another and indirectly contacting each other through dung and villus, and thus effectively inhibit horizontal spread of diseases such as avian lymphoid leucosis among different young birds.

The invention belongs to the technical field of hatching, and particularly relates to a technology for repairing and hatching shell-broken hatching eggs. The technology comprises the following steps:disinfecting hatching eggs, then when candling is performed on the eggs on a seventh day of hatching, repairing the shell-broken hatching eggs by using a sealant, placing the repaired eggs into an incubator, and continuing to perform hatching with normal hatching eggs. According to the invention, the hatching rate of the repaired hatching eggs is greatly improved, the economic loss is reduced, andthe economic benefits are improved.

The present invention provides an artificial large-scale hatching method for the roe of the Tibetan bifidus cereus, the artificial large-scale hatching method, which is characterized in that the fertilized eggs are placed in the hatching frame for hatching in flowing water before the embryo formation period of the fertilized eggs ; After the fertilized eggs develop to the stage of embryonic formation, the dead eggs are removed, and the fertilized eggs are moved into the incubator to hatch. The hatching method has a high survival rate of hatched eggs and high production efficiency, and can be produced on a large scale in Tibet.