CATDOLL : CATDOLL: How do maggots come into being without flies?

How do maggots come into being without flies?

Since maggots have grown, there is no doubt that it must have been contaminated by fly eggs. What is important is that the contamination process may have been completed unconsciously. Because in theory, maggots are eggs laid by flies in food, and maggots will not grow if there are no flies. However, it cannot be ruled out that other parasites or bacteria and viruses may breed.

Maggots are hatched from fly eggs. Because fly eggs are too small, people cannot easily see them, so they mistakenly believe that maggots grow on their own. Maggots are also called fly larvae, so maggots should not be produced without flies.

Flies like to lay eggs in a humid and protein-rich environment. The eggs usually turn into "maggots" after 6 hours, and the "maggots" turn into "pupae" after about a week, and the "pupae" turn into "flies" after another week. The newly transformed flies will start mating and laying eggs after a few days. They mate once and lay eggs for life. A life cycle can be completed in about 25 days.

The harm of maggots:

When maggots mature, they turn into flies. Flies breed and fly in garbage dumps, toilets, rotting animal carcasses, pus, blood, sputum and vomit, and feed on them. They carry tens of thousands of bacteria, viruses and parasite eggs on their bodies and in their stomachs. Flies have the habit of eating, vomiting and defecating at the same time. Wherever they fly, the food and tableware there will be contaminated by bacteria, viruses and worm eggs. When people eat contaminated food or use contaminated tableware, intestinal infectious diseases or parasitic diseases may occur.

Flies directly breed maggots

Flies directly breed maggots

Flies give birth to maggots directly. The life of flies is very short, and it only takes 7 to 14 days from egg development to adult. Most people know that maggots turn into flies, but they don't know what the process is. In fact, it doesn't take long. Some flies give birth to maggots directly.

Flies directly produce maggots 1 Some species of flies can directly produce maggot larvae.

Flies are holometabolous insects, and their life cycle can be divided into several stages: egg, larva, pupa, and adult. Most species of female flies lay eggs, but some lay larvae. After 3 to 4 days, the larvae turn into pupae, and the pupae emerge as adult flies with wings and can fly.

Maggots are flies that hatch after laying eggs at 15℃~40℃ for several hours. They are about two centimeters long and move by crawling. Modern science has found that maggots are rich in protein and can be used as medicine or food. Maggots are the pathogen of myiasis and the larvae of flies. They are also called meat worms and meat granules.

Additional information:

About the harm of flies and their larvae

1. Omnivorous flies feed on a wide variety of food, including decayed plants and animals, human and animal food, excrement, secretions, pus and blood, etc. Most flies belong to this category. There is also a category that cannot feed due to the degeneration of their mouthparts, such as stomach flies, mad flies, and skin flies. Flies feed frequently, and they vomit and excrete while eating, so many pathogens can be carried and spread by them.

2. Besides harassing people and contaminating food, fly maggots also spread a variety of diseases, such as avian influenza, foot-and-mouth disease, swine streptococcosis, etc. Diseases can be spread mechanically, biologically, or sexually.

3. Flies spread pathogens such as dysentery, cholera, typhoid, poliomyelitis, intestinal worms, protozoan diseases, tuberculosis, bacterial dermatitis, anthracis, tetanus, conjunctivitis, trachoma, etc. through activities such as landing, licking, vomiting and excretion.

About the prevention and treatment of fly maggot disease

1. Eliminating flies is not only an important measure to eliminate pests and diseases, but also the best way to prevent fly maggot disease.

2. Improve the sanitary environment, eliminate and reduce the breeding grounds of maggots, properly handle human and animal feces and garbage, and pay more attention to sanitary management in special industries such as meat, aquatic products, leather food processing plants, pig farms, etc.

3. Eliminating the breeding environment of maggots, isolating the breeding organisms so that flies cannot come into contact with the food to lay eggs, installing screens, screen doors, and screen covers to prevent flies from coming into contact with food, and spraying with drugs are all effective prevention and control measures.

4. If an animal is infected with myiasis, remove the maggots from its wounds and rotten areas thoroughly, clean the wounds together with the rotten tissue, disinfect the wounds, and prevent them from coming into contact with flies again. The wounds will heal quickly.

Flies give birth to maggots directly. 2 Will maggots turn into flies directly?

The egg stage of a fly is about 1 day, the larval stage is 3 to 6 days, and the pupal stage is 3 to 7 days. It only takes 7 to 14 days for the egg to develop into an adult. It takes a few days to more than ten days for the granular eggs to grow into flies.

The adult flies start to move and eat 2 to 24 hours after shedding their pupal skins and emerging from their pupae. Flies can only mate and lay eggs normally after feeding. Flies are very good at flying and are very phototactic, flying to where it is bright, so they like to move around in places with lights during the day or at night. In dark places or at night, flies rest on ceilings, hanging ropes, walls, etc.

Flies can mate 1-2 days after emerging from their pupae, and produce small piles of eggs within a few days. Flies are different from other animals, most of which mate only when they are in estrus, and produce one offspring each time they mate.

Additional information

In biology, flies are completely metamorphosed insects. The life cycle of flies can be divided into eggs, larvae (3 stages), pre-pupae, pupae, and adults. Although the life span of flies is only about one month, a female fly can lay 500-1000 eggs. According to statistics in the late 1970s, there are about 4,200 named fly species in the world, and about 500 species are known in my country.

Although the life span of flies is only about one month, their reproductive capacity is amazing. According to statistics, a female fly can lay 500-1000 eggs, and the offspring of a pair of flies total about 190 million, which is an astonishing number. This shows how harmful flies are.

Flies give birth to maggots directly. Can maggots give birth to maggots after they die?

No, because maggots are the larvae of flies. Flies have such biological characteristics that they like to eat carrion and blood, and they are accustomed to laying eggs under the skin or on the surface of organisms.

The eggs can hatch into maggots here, which feed on rotten tissue and then emerge as adults.

Flies are holometabolous insects, and their life cycle can be divided into several stages: egg, larva, pupa, and adult.

Female flies of most species lay eggs, but some also lay larvae.

After 3-4 days, the larvae turn into pupae, which then emerge as adult flies with wings.

Can I still eat salted fish if it has maggots?

Salted fish with maggots cannot be eaten. Microorganisms decompose it and toxins are generated, which are harmful to human health. Salted fish has already gone bad, and flies are so unhygienic. A little salty food is nothing, but it is not worth it if you eat it and get sick.

Why do salted fish grow maggots?

Generally, pickled meat and fish will have it. If it is not serious, you can eat it after washing it thoroughly. You can buy it, but it is recommended to eat less.

Fishermen hang the fish on the beach. There are a lot of flies on the beach near human settlements, and almost all the dried fish have a large number of fly eggs. If soaked in water for a long time, the fly eggs on the dried fish will hatch, and white, wriggling maggots will come out.

How to prevent maggots from growing in pickled foods

After marinating, put it in the refrigerator to let it marinate (skip this step in the twelfth lunar month), then take it out and quickly blow dry or air dry it in a cool place, so it is not easy to attract flies. Seal it well, pack it tightly as much as possible, and keep the outside of the package clean. Flies find food by smell. There is no better way to leave it in the open air, and it is OK if it has less moisture.

How to deal with maggots in meat

Once you find that flesh flies have taken advantage of the situation and have maggots on some dried fish, you must take measures to kill the maggots in the bud. Never mix dried fish with maggots without treating them, otherwise it may cause maggots to grow on a large scale.

You can use high or low temperatures to kill maggots. If you have quick-freezing refrigeration equipment such as a refrigerator with a temperature below -18 degrees Celsius at home, you can seal the cured fish in a plastic bag and put it in to quickly freeze it for half an hour, then take it out and dry it in the sun. If you don't have quick-freezing equipment, you can use a microwave to kill maggots. Put the cured fish with maggots in the microwave and bake it on high heat for half a minute. In addition, if there are maggots still on the surface, you can also use a strong ultraviolet lamp to kill them.