CATDOLL : CATDOLL: What is the new technology of fly maggot breeding?

1. What is the technology for breeding bean dregs fly maggots?

Method 1: Put 25 kg of tofu dregs and dishwashing water into a tank and mix well. After 3-5 days, a large number of maggots will naturally breed in the tank. Take out the maggots and mix them into the feed to feed the eels. Method 2: You can also ferment the tofu dregs, put them into a pit, add some rice washing water, stir and seal the pit. After about 5-7 days, a large number of fly maggots will also be produced.

Tofu dregs method: Put 25 kg of tofu dregs and dishwashing water into a tank and mix well. After 3-5 days, a large number of maggots will naturally breed in the tank. Take out the maggots and mix them into the feed to feed the eels. At the same time, you can also ferment the tofu dregs, put them into the pit, add some rice washing water, stir and seal the pit. After about 5-7 days, a large number of fly maggots will also be produced.

2. The latest method of maggot breeding?

1. Dry the chicken manure, mash it, and mix it with a small amount of rice bran and wheat bran. Then mix it with the mud into a pile and cover it with straw or weeds.

2. The top of the pile must be made into a concave shape and poured with sewage about 1-2 times a day. A large number of small maggots will appear in half a month.

3. After the worms are eaten, the dung pile must be piled well. Maggots will be produced again after a few days. This long-term cycle can produce maggots several times in each pile.

4. You can also mix the fermented chicken manure with beer lees or soy sauce lees in a ratio of 4:1, spread it on the floor, the thickness must not exceed 17cm, and the water content is about 70%. You can put some rotten vegetable leaves, stinky fish and shrimp on it, which can attract flies to lay eggs, and many maggots will be produced after a few days.

3. How to breed maggots? What is the best way to breed maggots?

Outdoor simple fly maggot breeding technology Although the yield of outdoor fly maggot breeding is lower than that of three-dimensional fly maggot breeding, and it is not as stable as three-dimensional fly maggot breeding, it has the advantages of low investment, quick results, no need to introduce species, no need to feed flies, and low cost. It is the choice of most breeders at present. The suitable season for outdoor simple fly maggot breeding is generally from the end of April to mid-October each year. The construction site of the simple breeding house is chosen in a place far away from the living area, with shade but certain light, and more wild flies. The area should be determined according to the required output. According to production experience, the average output per square meter is about 0.5 kg. As long as the breeding house can shelter from rain, thatched houses, cement tile houses, and bark houses are all fine. The house should be surrounded by 1-meter-high screens to prevent animals such as chickens and ducks from entering. The breeding pool requires a simple cement pool, each pool area is 1.5 square meters to 2 square meters, and the pool edge is 20 cm high. Preparation and placement of manure: 70% fresh pig manure (within 3 days of excretion by pigs), 30% chicken manure (within one week); 100% fresh pig manure from slaughterhouse; 75% pig manure, 25% tofu dregs; 50% chicken manure, 25% pig manure, 25% tofu dregs. Mix the above manures, with a water content of 100%, pile the manure to a height of 20 cm, cover it with agricultural film, and it can be used after 24 to 48 hours. Since it is outdoor breeding, the manure can be directly sent to the breeding pond without fermentation. Send the fermented manure to the maggot house, and pile three in each pond, each 0.8 meters long, 0.2 meters wide, and 0.15 meters high. The time for placing manure is 4 to 5 o'clock every afternoon. Preparation and placement of egg-collecting materials Since it is outdoors, there are more choices for egg-collecting materials. You can put dead fish directly on the dung pile, or you can prepare it according to the following formula: Calculate based on 100 kg of dung: 1 kg of wheat bran, 2 liang of fish meal, 3 liang of peanut bran, and 1.5 kg of water. Mix well and put it on the dung pile. After placing the egg-collecting materials, it is forbidden to walk around the maggot pool. Daily management: Put the dung well, put the egg-collecting materials (preferably dead fish or fish viscera in the first few days to attract wild flies), and in places with more wild flies, a large number of flies will gather on the egg-collecting materials within half an hour to lay eggs. At 9 o'clock in the evening, use a small amount of egg-collecting materials to cover the egg masses laid by the flies with a thin layer to increase the hatching rate and reduce the damage of insects such as ants. The fly eggs will all hatch the next morning. After 36 to 48 hours, the maggots have already made the previously neatly stacked manure pile very messy. After 72 hours, the first grown maggots begin to crawl out of the manure pile and automatically separate and fall into the maggot collection bucket. Generally, the maggots in the manure have been completely separated on the seventh day. Assuming that you have 14 maggot pools, you should add manure to two pools every day. Fill them all on the seventh day. On the eighth day, shovel out the residual manure that has been completely free of maggots on the first day and put in new manure. This cycle of production continues. At 10 o'clock in the morning, collect the maggots from the maggot collection bucket, shovel out the residual manure that has been completely free of maggots, and shovel the manure in other pools that has been loosened by maggots and has been piled up on the edge of the pool into the middle of the manure pile to avoid blockage and maggots cannot tell the way when separating. It is not necessary to feed simple outdoor maggot breeding. However, in order to keep the flies around the maggot breeding room, new manure and egg-collecting materials must be placed every day. The main food of flies comes from manure and egg-collecting materials. Since outdoor maggots cannot be disinfected, the maggots raised must carry a lot of harmful bacteria. It is recommended to soak them in 70,000 parts potassium permanganate water for 5 minutes before feeding them to economic animals.

4. How to raise maggots at home?

Fly maggot rearing technology A. Living habits of houseflies Houseflies are kept at room temperature of 20-30℃ and relative humidity of 60%-80%. After five days of development, the pupa changes from soft to hard, from beige, light brown, dark brown to black, and finally the adult fly breaks out of the shell from the front end of the pupa. The newly emerged adult fly can only crawl, not fly. One hour later, it spreads its wings and starts to eat and drink water. The adult fly is active during the day and stays still at night. After three days, it matures sexually, and the male and female begin to mate and lay eggs. The peak egg-laying period is 1-8 days old, and the egg-laying ability is basically lost at 25 days old. Fly eggs hatch into maggots in half a day to a day. The maggots are cultivated in pig and chicken manure and generally become pupae on the fifth day. A generation of flies is about 28 days. Temperature and nutrients in maggot bait have a great influence on the growth and development of maggots. Generally, the room temperature is within the range of 20-30℃. The higher the temperature and nutrients, the faster the maggots grow and develop, and the larger the pupae become. B. Breeding and reproduction of breeding flies Breeding flies should be raised in a fly house. The size of the breeding fly house can be built according to the needs, and it can also be modified from an old house. Glass and screens should be installed on the doors and windows to facilitate temperature adjustment, and fans should be installed on the walls to adjust the air. There should be heating equipment in the room to keep the temperature at 20-23℃ in winter and the relative humidity in the room at 60%-70%. Black curtains should be installed on the passage to prevent the breeding flies from escaping. There are breeding racks in the room, which are divided into upper, middle and lower layers. The breeding racks are made of iron or wood. Each layer of the rack is placed with a fly cage made of nylon gauze, which is 100 cm long and 80 cm high. The breeding flies are kept in the cages. Each cage can hold 12,000 breeding flies. Each cage is covered with cloth sleeves to facilitate feeding, water addition and egg collection. 12,000 adult flies are fed 20 grams of milk powder every day. The feed is placed in a feed basin with gauze padding, and the adult flies are allowed to stand on the gauze to suck. The feed and water are changed once a day. Put gauze in the basin, put wet wheat bran in the egg-laying basket for the fly species to lay eggs, collect eggs from the fly cage once a day and send them to the maggot room for breeding. The number of eggs laid by the fly species is the largest from 8 am to 3 pm every day, so the time for collecting eggs should be appropriate. Each batch of fly species is eliminated after 15-20 days of breeding, killed with hot water or steam, dried and ground into powder for livestock and poultry feed, and then replaced with a new batch. While producing fly maggots, the fly maggots pupate. There are two ways to make new fly species: one is to let them pupate naturally and wash out the pupae with water; the other is to take out the fly maggots and put them into dry powder when the maggots turn yellow after about 5-6 days of breeding to promote pupation. C. Cultivation of fly maggots Fly maggots can be cultivated in a maggot breeding pool with a brick side height of 20 cm and an area of ​​1-3 square meters, or in a bamboo and wood frame and a plastic tray. A plastic tray with a diameter of 50 cm can breed 1.5 kg of maggots with only 3 kg of wheat bran. After 3-4 days of breeding, it can be collected and used. The source of maggot breeding feed is relatively wide, and the cost of different maggot feeds varies. You can choose reasonably. Wheat bran has high nutritional content and a slightly higher price. It is generally used to breed fly species. Cheap wine troughs, bean dregs, etc. can be used as commercial maggot feed. If wheat bran is used as maggot feed, generally 1 kg of wheat bran can produce 0.5 kg of fly maggots. When using it, it needs to be shaken with water. The dryness and wetness should be such that water comes out when squeezed by hand and it is suitable to fall apart when touched (water content 60%-65%). If semi-dry and wet materials such as wine troughs and bean dregs are used, it can be cultivated without adding water. Specific maggot breeding operation method: Pour the egg-laying and wheat bran materials into a plate, add wine trough, bean dregs or wheat bran and other maggot materials, and mix them evenly. Note that the fly eggs should not be exposed on the surface of the maggot material to avoid water loss and loss of vitality. The thickness of the maggot material is based on the fermentation temperature in the maggot material not higher than 40℃ and not lower than 20℃, generally 5-10 cm. In summer, when the temperature is high, the maggot material should be appropriately thinner, and in winter, when the temperature is low, the maggot material can be appropriately thicker. If human and animal feces are used, bacteria and parasites must be killed before use. The ratio of material to maggots is, for example, 3.5-4 kg of chicken manure generally produces 0.5 kg of fresh maggots. Regardless of which raw material is used to raise maggots, the dryness and humidity of the maggot material should be controlled at 60%-65%. D. Collection of fly maggots. The fly maggots are afraid of light. Use a dung scraper to scrape the surface of the drinking water in the maggot breeding pool. Keep scraping, and the fly maggots will drill in. Take away the surface dung. Repeat this method many times. Finally, a small amount of dung and a small amount of fly maggots are left. The separated fly maggots can be washed and directly used to feed livestock and poultry. Dry them at 200-250℃ for 15-20 minutes, process them for drying and storage. New technology for fly maggot breeding 1. Breeding flies and feeding. There are two kinds of breeding flies raised in this place. One is a large fly with red eyes and green body (big-headed fly); the other is a small housefly commonly seen in the home, with the former being the main one. Both are wild and domesticated. Breeding flies are fed in fly sheds, mainly brown sugar water (1:10), with a small amount of cream essence, which is the "ovulation hormone" prepared by the farm (prepared with Chinese medicine such as epimedium, lysine, methionine, and vitamins). Adding some yeast powder will have a better effect. The feeding method is to put a sponge in a porcelain basin, pour sugar water into the sponge, and clean the sponge once a day.

5. New methods and technologies for raising maggots using pig manure?

Pig manure fermentation and fly maggot breeding method:

1. Pig manure fermentation: First, add fecal EM bacteria fermentation agent to the pig manure for fermentation. When fermenting, add corn flour or wheat bran or rice bran. Judgment method: Hold the material tightly with your hands. Water can be seen between your fingers but it does not drip. It is appropriate to fall to the ground and scatter. After mixing evenly, make a pile for fermentation. It should not be too small (1.2-1.5 meters high, 2 meters wide, and 2-4 meters long). Generally, the fermentation can be completed in 3-5 days.

2. Collect eggs: send the fermented pig manure into the maggot house and pile it into a strip of 0.8m long, 0.2m wide and 0.15m high. Put fly maggot eggs on the manure pile, three small piles for each strip. Even if there are no fly maggot eggs, flies can be attracted into the fly maggot house to lay eggs and reproduce.

3. Collect maggots. At room temperature of 25-35℃, the egg mass generally hatches into small maggots after 8 hours. During the fermentation process, the functional probiotics contained in the fecal fermentation bacteria have the effect of inhibiting the growth of harmful bacteria; and the high temperature generated by the fermentation can kill parasites and pathogens that are not resistant to high temperatures, creating a healthy environment for the hatching and growth of young maggots. The small maggots will first eat the egg collection, and then drill into the manure pile to grow. The fermented pig manure is nutritionally balanced, and the nutrients are easier for maggots to digest and absorb, which can ensure the nutritional needs of rapid growth. The peak period for crawling out is 72-96 hours after hatching, and it can be collected. Generally, on the fourth day after the manure is put in, the maggots in the manure pile can be basically crawled and collected.

The maggot breeding cycle is short and the breeding cost is low. It only needs fermented pig manure. In addition, the fermentation time is greatly shortened due to the use of fecal fermentation agents in the process of fermenting pig manure. It is also less expensive, simple to operate, and more suitable for the growth of maggots. Pig manure treatment is a particularly troublesome problem for large farms. After simple treatment, it is used to raise maggots, which not only solves the problem of environmental pollution, but also provides high-protein feed for livestock. It is a good example of waste ecological recycling and creating benefits, which is worth learning from.

6. Simple breeding technology for maggots?

1. Temperature: 20 degrees - 38 degrees. Temperature that is too low or too high will affect the activity of flies.

2. Food: (flies) brown sugar, milk powder, candy, etc. (maggots) wheat bran, rice bran, fermented pig manure, chicken manure or a mixture of the two

3. Living habits: Flies, like most insects, hibernate in December and wake up in March every year. After waking up, they break out of their pupae and enter the reproductive period in one to two days. After entering the reproductive period, they will lay eggs throughout their growth period. The eggs are small and look like rice grains. There are dozens or hundreds of white and yellow eggs stuck together. It only takes one week for maggots to grow from eggs to adults.

4. Breeding environment: You can raise flies directly in a house or in a cage. It is easier to manage and more hygienic to raise flies in a cage. First, prepare a cage that is 1 meter long, 0.8 meters high, and 0.5 meters wide. Then make a hole at the bottom of the front of the cage. The size of the hole depends on the size of the egg-collecting basin and the water basin. Sew a long barrel cloth sleeve about 0.4 meters long on the hole as the operation port, and then put water, food, and egg-collecting objects in it. Put a sponge as big as the basin in the water basin, and then add water. The water cannot exceed the sponge to prevent flies from drowning. Put sugar and milk powder in a small dish and put it in the cage. The egg-collecting objects are generally made of wheat bran. Add water to the wheat bran and mix it evenly. Squeeze it into a ball with your hand, and it will fall apart when you let go.

5. Reproduction: Two to three days after the pupae emerge, you can see flies mating in pairs. The next day, you can see fly eggs in the egg-catching material. After you find the eggs, you can take them out and put them in a new egg-catching material. In the egg-catching basin, you need to add another layer of egg-catching material on the surface to cover the eggs exposed outside. This is to prevent the eggs exposed outside from drying up. You can collect eggs twice a day.

7. Are there any practical methods for raising maggots?

Method for rapid breeding of fly maggots: The specific method is as follows:

1. Cultivation tools: General household plastic basins, plastic buckets and other containers can be used, the four walls must be relatively smooth, and the depth of the basin must be greater than 25 cm.

2. Selection and preparation of egg-sucking materials and collection and cultivation of fly eggs. If there is fresh chicken manure, you can directly use fresh chicken manure as egg-sucking materials to collect fly eggs. The method is: put fresh chicken manure in a basin. If the chicken manure is too dry, sprinkle a little water on it. Put it in a place where there are many flies in the wild. It should be placed in a cool place as much as possible. If the sun is too strong, use shade to shade it. Generally, flies will gather and lay eggs immediately after putting it in. Take back the egg-sucking materials every afternoon. You can see that there are clumps of fly eggs on the surface of the chicken manure. You should immediately cover it with corn manure or wheat bran mixed with water to ensure that the egg masses have a certain humidity. You can see many small maggots the next day, and you can raise them in separate basins. The method of raising maggots is to first spread about 3-5 cm thick wheat bran or corn flour mixed with water in the basin, and then put the hatched maggots together with the egg sucking material on the wheat bran or corn flour. After eating the egg sucking material, the maggots will quickly drill into the feed below. Under normal circumstances, they can grow into large maggots in 3 days. The powder used to raise maggots can be fermented or used directly. If rice bran is used to raise maggots, it must be fermented, and the rice bran must be of good quality. The "rice bran" that is completely rice husk is not effective in raising maggots. Fermentation can increase the yield of fly maggots. Generally, 1 catties of wheat bran can produce about 0.5 catties of maggots, and 1 catties of corn flour can produce 0.4 catties of maggots. The yield can be increased by about 1 times by adding waste such as pig blood. The powder mixed with water is easy to heat up, so the thickness of the powder in the basin should not be too thick to prevent the fly maggots from dying from heat. The maggot breeding pot should be placed in a place with higher temperature (25-30℃) but slightly dim light.

3. Cage management of flies. Using this method to collect fly eggs will not only not increase the number of wild flies, but also gradually reduce the number of flies in the wild if used for a long time. However, in some densely populated areas, in order to avoid causing people's disgust, especially if you want to use red-headed flies for breeding, you can keep the flies in cages. The specific method can be found in Appendix II, pages 34-36 of the third volume of the eel training materials.

4. Separation of fly maggots. There are several methods for separating fly maggots. (1) Separation between large and small basins. Place a smaller plastic basin inside a larger basin, wet the four walls of the small basin with a damp cloth, pour the maggots and feed into the small basin to a thickness of about 2 cm, and the fly maggots will crawl along the basin wall into the large basin. (2) Photo separation. Place a sieve with holes large enough for the maggots to drill through on a plastic basin, wet the maggot feed with water, and then pour it into the sieve. The thickness should not exceed 2 cm. Place it in the sun. Since the fly maggots are afraid of light, they will try their best to drill down and fall into the basin below. (3) If there is a maggot breeding room, pour it into the maggot breeding pool and let it separate automatically.

The waste from breeding fly maggots can be directly used for raising chickens, pigs, fish, etc. It is still a very good feed, and animals love to eat it.

Using this method, based on the calculation of using fly maggots alone to breed eels, generally about 7 kilograms of fresh maggots can make the eel gain weight.

8. How to raise maggots artificially?

Hello friend, I am honored to answer your question. The knowledge about raising maggots is relatively unpopular.

It's rare that you are interested in this area. First of all, I would like to introduce to you the role of artificial maggot breeding.

As far as I know, most of the artificially cultivated maggots are used as feed in aquaculture, and at most they are the feed that soft-shelled turtles or eels like to eat.

In fact, there are several breeding methods. It depends on which part of my country you are breeding, when you are breeding, and more importantly, what kind of maggots you choose to breed, red-eyed green-bodied flies? Or the small flies that are common at home? After comprehensive consideration, I can give you the most specific answer.

Let me briefly introduce you to a method that is suitable for most parts of our country and for all kinds of flies.

First of all, we need to have a species of fly, which can adapt to a temperature of about 20-30 degrees Celsius and a humidity of 60%-80%.

After the environmental problem is solved, the next problem is their diet. Actually, it is not a big deal. Simply put, you can mix some pig manure, chicken manure, rice bran or wheat bran together. The specific ratio is not too fixed. Just remember that pig manure has the largest ratio and rice bran has the smallest ratio. It is about 60%-80% pig manure and 10%-15% rice bran.

With food and shelter all solved, all that's left is to wait for them to produce maggots. Generally, the lifespan of a fly is 28 days, and it only takes three days for a maggot to turn into an adult fly. The next 1-8 days are their peak reproductive period, and they will basically stop reproducing after around 25 days.

In fact, there are edible maggots, which are more difficult to raise. The cost is high, but the profit is higher. If you want to know more, you can send me a private message and I will give you the answer.

Finally, I wish you a happy life. It's not easy to type, so please give me a thumbs up. Thank you!

9. Complete version of fly maggot breeding technology?

Fly maggot breeding technology:

1. Construction of breeding facilities

1. Construction of fly breeding room

The breeding house is used to raise adult flies. Generally, 20 to 40 square meters is enough. You can renovate an old house, which can also save costs.

The house should be equipped with screen doors and windows to prevent flies from escaping.

If you raise them in winter, you need heating equipment, preferably a heater, and if conditions permit, you can also install air conditioning. The indoor air should be fresh and the sunlight should be more than 10 hours a day.

Flies are mostly raised in cages. Cages not only take up less space, but most importantly, they do not pollute the environment. We can set up a breeding rack in the fly breeding room. The breeding rack is made of wood and can be divided into two layers. Each layer of the breeding rack is placed with a fly cage made of nylon mesh. The fly cage is fixed on the rack like a mosquito net. The cage is 100 cm long, 40 cm wide and 80 cm high. The breeding flies are kept in the cage; at the same time, a working opening with a diameter of 30 cm is left in the middle and lower part of the fly cage. The working opening should be made into a cylindrical tube with white cloth to facilitate feeding, watering and taking and placing the egg-laying pad.

In addition, a piece of nylon gauze can be hung in the middle of the cage to increase the habitat area for adult flies. The bottom of the cage is supported on a small flat plate.

In addition, each fly cage should be equipped with a feeding tray (a plastic dish with a diameter of 15-20 cm), a water tray (25 cm x 15 cm x 6 cm), an emergence tray (40 cm x 30 cm x 8 cm) and an egg tray for holding eggs (40 cm x 30 cm x 8 cm).

2. Construction of maggot breeding room

The maggot breeding room is mainly used to breed fly maggots for seed preservation. The room temperature is required to be between 20 and 28 degrees Celsius, and the humidity is 65% to 70%. Other indoor breeding facilities should be determined according to the breeding method adopted, such as setting up multi-layer breeding racks, maggot breeding basins and heating equipment. Generally, these facilities are placed on both sides, leaving a walking path in the middle, which can fully utilize the space and facilitate operation and management.

3. Construction of maggot breeding greenhouse

Maggot breeding shed is specially used to breed fly maggots for protein feed. It can be built into a simple shed as long as it is windproof and waterproof.

The maggot breeding pond can be designed as this long strip pond or a small rectangular pond.

If it is a long strip pool, the length is not limited, the width is about 1.2 meters, and the two long sides have a certain slope, the angle is 45 degrees, and at the same time, the two long sides should have 11-20 cm grooves, and the height of the grooves is about 8-10 cm. This is to facilitate the collection of fly maggots in the future.

If it is a small rectangular pool, the area is usually 3-4 square meters. There are slopes and grooves on all four sides. The setting requirements of the slope and groove can be operated with reference to the long strip pool. The only difference is that you can bury the maggot collection bucket at the corner of this pool, and the edge of the bucket should be slightly higher than the bottom of the pool, which is also for the convenience of collecting maggots.

After the breeding facilities are built, the next step is to cultivate maggots.

2. Cultivation of fly maggots

The specific operational steps for breeding fly maggots can be divided into the following aspects (diagram): hatching of pupae → breeding of seed flies → collection of egg masses → centralized hatching → breeding in separate trays (part of which is retained for seed) → separation of maggots → breeding of maggots → utilization of fresh maggots → repeated cycle of production.

1. Breeding of fly species

Put the purchased fly seeds into the hatching tray. Basically, 10,000 fly seeds are about 150 grams. Usually, a hatching tray of 40 cm long, 30 cm wide and 8 cm high can hold up to 750 grams of fly seeds.

2. Hatching of pupae

Put the hatching plate into the fly cage and tie the working opening tightly. As long as the appropriate temperature and humidity are maintained, the flies will hatch into flies after 3-4 days. Generally, the most suitable temperature for flies is 25℃-30℃, and the relative humidity of the air is preferably 50%-80%. If the temperature is low in winter, turn on the heater to increase the temperature, and you can also turn on the air conditioner if conditions permit. If the temperature is around 36 degrees, the flies will hatch into flies in two days.

When flies emerge from their cocoons, feed trays and water basins should be placed. Flies, like other animals, also need enough protein, sugar and water to maintain life and reproduction. Under artificial breeding conditions, we use 50% milk powder and 50% sugar. Sugar can be some expired sugar cubes, which can also save costs.

Put sugar and milk powder in two feed plates respectively; put a sponge of the same size and 2 cm thick in the water basin, and then add water on the same level as the sponge to prevent flies from falling into the water and drowning when drinking water.

In addition, in order to promote the development of flies and their mating and egg laying, water, sugar and milk powder should be added in time to ensure that the flies have adequate nutrition. At the same time, in order to increase the egg laying rate, you can feed one-third of raw eggs to each cage every day from the time the flies emerge, and feed for three consecutive days to achieve the best results. When feeding eggs, it is best to lay a layer of gauze on the surface of the eggs in the feed tray to prevent flies from sticking to them when eating.

During this period, not only the temperature and humidity must be maintained, but also the appropriate light, because appropriate light can stimulate adult flies to feed and lay eggs. Generally, the light exposure for adult flies is 10-11 hours a day. Natural light can be used on sunny days, and fluorescent or incandescent light should be used on rainy days or when the light is relatively dim. Turn off the light at night to let them rest. The breeding fly room should be ventilated frequently to keep the indoor air fresh.

On the fourth day after the adult eclosion, flies can be seen mating, and on the fifth day, they can lay eggs. Therefore, on the fourth day, egg-laying materials should be placed in the fly cage in time. Egg-laying materials are solid feeds used to lure flies to lay eggs. This type of feed is nutritionally comprehensive, can meet the nutritional needs of flies, and has a strong attraction to flies. We usually choose wheat bran as egg-laying materials. However, wheat bran must be moistened before use. Just add clean water to the wheat bran so that it can drip water and can be loose when put down. Spread a layer of the adjusted wheat bran in the egg-laying basin with a thickness of about 1 cm. The four corners should be slightly thicker, about 2-3 cm. Put the egg-laying materials in the fly cage. After mating, flies will naturally lay eggs on wheat bran. Fly eggs are white, and milk powder is also white, so after starting to lay eggs, you only need to add sugar to the feed tray instead of milk powder. The purpose is to prevent flies from laying eggs on milk powder and delaying egg collection.

10. Maggot breeding technology?

1. Equipment for rearing adult insects.

Fly cage: A 50 cm × 50 cm × 50 cm bracket is made of iron or wooden bars and covered with plastic or window screen, with an operating hole with a diameter of 12 cm to 15 cm on one side.

Each fly cage is equipped with a drinking cup, three or four feed trays, and an egg-laying tank.

Fly maggot culture tray: Made of plastic or iron sheet, the number depends on the scale of breeding. The size should be such that each tray can hold 5 kg of culture medium. The culture tray is generally 10 cm high on each side, and the thickness of the culture medium should be 3 cm to 5 cm.

②Feed preparation.

The food of adults is mainly young maggots. First, mince the fresh maggots with a meat grinder (the wall hole diameter is 1.0 mm-1.5 mm), and then mix them according to the following proportions: 95% maggot paste, 5% brewer's yeast, and 150 ml of water.

③Feeding techniques.

Put the breeding flies into the fly cage (when the breeding pupae are about to emerge, put them together with the emergence tank). The stocking density is calculated based on the average space occupied by each adult in the cage being 10 cm3. At least 12,000 flies can be placed in each cage.

Wait until 5% of the eclosion has occurred and the male and female have begun to mate, then put them into the egg-laying tank.

The spawning tank is an opaque container with an appropriate amount of bran placed in it.

For ease of management, adults should emerge in batches every 7 days.

Adults can lay up to 1,000 eggs, and they can be eliminated after the egg-laying volume decreases after about 12 to 15 days.

The method is very simple. After taking out the bait and water, the fish will starve to death after two days or be scalded to death with boiling water.

Dead flies can be directly fed to poultry, or they can be dried, crushed and mixed into feed.

Things to note during operation: The room temperature should be controlled at 24℃-30℃, and the humidity should be controlled at 50%-80%. Every morning, take out the two bait plates (one for brown sugar and the other for maggot slurry) and a water tank in the fly cage, rinse them clean, and then put in the bait.

In order to reduce the number of fly escapes, it is also advisable to remove the fly eggs and move them into the larval room for cultivation.

Put about 40 grams of brown sugar in the sugar plate each time and change it every 2-3 days.

Just once.

Flies can spread a variety of diseases. During the cultivation process, be careful to prevent flies from escaping from the cage.

A buffer room should be set up outside the adult insect room, and a fly-killing device should be installed indoors to lure and kill individual adult insects that fly out.

2. Culture of larvae (maggots) 2.1 Prepare culture medium.

Mix 30% chicken manure, 70% wheat bran or all chicken manure and pig manure, and add water to prepare a culture medium with a water content of about 15%.

2.2 Egg collection.

Place the prepared culture medium in a fly maggot culture tray with a thickness of about 3 cm to 5 cm (no more than 3 cm in summer), and then inoculate 4 grams of fly eggs per 5 kg of culture medium.

The inoculated culture medium can be placed in a culture room at 22℃-25℃ for culture.

2.3 Separation of fly maggots.

Fly eggs can hatch into maggots after 8-12 hours in the culture room, and become pupae after 5-6 days.

As feed for livestock and poultry, it can usually be harvested from the 4th day after the larvae hatch.

The harvesting method is: taking advantage of the light-avoiding property of maggots, place the culture medium under strong light, and the maggots will drill into the bottom layer of the culture medium. At this time, remove the upper culture medium, pour the remaining culture medium into a gauze sieve, rinse it repeatedly in water, and you can get clean maggots.