How to raise silkworm babies is better?

Silkworms should stop eating mulberry leaves after the age of five and start looking for suitable places to spin silk and cocoon (also called mountain cocoon). In rural areas, branches made of grass mounds or straw are generally used as silkworm mounds. The following is the relevant content I have compiled. Welcome to read the reference!

Feeding techniques of silkworm babies

After receiving the silkworm eggs, put the silkworm eggs in the prepared box. Generally, the silkworm box can be made of ordinary paper boxes, but it must be clean and tasteless. Silkworm eggs naturally hatch at room temperature of 2 1-29 degrees Celsius for about 1 1 day (including delivery time) from the date of storage.

After about 40 minutes of incubation, you will have an appetite, and then you will start the feeding process. Take the prepared fresh tender meat out of the refrigerator, and when it returns to normal temperature, cut it into small pieces with a knife and put it in a silkworm box, and it will automatically climb to the floor to eat. Silkworms generally need about 27 days (5 instars) from hatching to cocoon formation in the mountains. One to three-year-old silkworms should choose tender mulberry leaves to feed, and four to five-year-old silkworms can be fed with ordinary mulberry leaves.

Silkworms are suitable to grow in the environment with the temperature range of 22-29 degrees Celsius, and the most suitable growth temperature is about 27 degrees Celsius. A silkworm eats about 25 grams of mulberry leaves in its lifetime. If you feed 40 silkworms, you only need 1 kg of mulberry leaves. But in the actual feeding process, a part of mulberry leaves will be wasted, so more mulberry leaves are needed.

Silkworms should stop eating mulberry leaves after the age of five and start looking for suitable places to spin silk and cocoon (also called mountain cocoon). In rural areas, branches made of grass mounds or straw are generally used as silkworm mounds. Silkworms fed as pets can be replaced by a carton divided into many compartments.

Feeding method of silkworm baby

1. Temperature and humidity regulation: 1 ~ 3 years old is called young silkworm, and the environment that young silkworm needs is high temperature and high humidity. The suitable temperature for 1 ~ 2 years old is 26 ~ 27℃ and the relative humidity is 90%. Therefore, 1 ~ 2-year-old silkworms adopt full-prevention dry culture, that is, cover with plastic film; The third age is semi-protected, that is, only covered with plastic film, the temperature is kept at 26 ~ 27℃ and the relative humidity is 85%.

2. Leaves for young silkworms: 65,438+0-year-old mulberry leaves with yellow leaves and green leaves, 65,438+0 kg for one silkworm; The fourth leaf from the top of the second instar has the number of buds, which is yellow-green. One silkworm leaf is 3kg. The fifth to sixth leaves of the third instar silkworm are light green and shiny, and the first leaf of the silkworm is10 ~12 kg. The first and second instar silkworms cut the mulberry leaves into cubes 1.5 times the length of the silkworm, and the third instar silkworms cut the leaves into triangles for feeding, and the amount of mulberry to be fed each time should be controlled in the silkworm bed before the next feeding.

3. Mulberry feeding frequency and time: 4 times a day, at 7: 00 am, at noon 1 1: 00, at 4: 00 pm, at afternoon10; Silkworms grow and develop rapidly, and every time they feed mulberry, they should be combined with expanding their seats.

4. Treatment before going to bed: (1) Sand removal before going to bed: The body color of young silkworms turns white, the body is shortened, and the body surface is tense and shiny. Some one-year-old silkworms are attached to silkworm droppings. When the second and third instar silkworms have the phenomenon of carrying silkworms, they can add nets to remove sand before going to bed. (2) Raising green: If some silkworms are asleep and others are awake, we should put more nets on the mulberries, pull up the silkworms that can't sleep, and move them to another dustpan to continue feeding until they fall asleep.

5. Protection during sleep: keep the silkworm bed dry in the middle and early stages of sleep, sprinkle lime powder on the silkworm bed and maintain a relative humidity of 80%; When silkworms hatch, the room should be humid and the relative humidity should be kept at 85%; If the humidity is not enough, you can sprinkle water on the ground to make up the humidity.

6. Pay attention to food when sleeping: When more than 95% of sleeping silkworms have shelled, their heads turn from gray to brown, and their heads become obviously larger, young silkworms can crawl for food. At this time, they can pay attention to their diet. Mulberry leaves should be slightly tender, so the amount of mulberries should be less.

Matters needing attention in rearing silkworm babies

1, do a good job of disinfection before sericulture to reduce the incidence of silkworm children.

Cleaning and disinfection before sericulture is the top priority of the whole disease prevention and disinfection work, and it is also the premise of high cocoon yield. In order to improve the disinfection effect, the disinfection steps should be "one sweep, two washes, three scrapes, four wipes and five coats"; In the process of disinfection, there are six requirements: the silkworm house should be cleaned, the silkworm utensils should be washed, the medicine preparation should be accurate, the liquid medicine should be sprayed evenly, the utensils should be destroyed, and the disinfected utensils should be kept well.

2. Do a good job of supplementing green and promoting green, and improve the single-day incubation rate.

The quality of supplementary hatching is directly related to the hatching rate of one day. Silkworm farmers should pay attention to supplementary incubation, mainly by temperature and humidity control and shading. Silkworm eggs should be spread out in time after they arrive at the house. The temperature should be controlled at 78 ~ 79 ℉ and the humidity difference should be 2℉. In the evening before collecting ants, the temperature should rise to 80 ~ 8 1℉, and the humidity difference 1℉. At the same time, the hatching should be strictly covered when supplementing green, so as to achieve the purpose of uniform hatching.

3, put an end to open flame heating to ensure the safety of silkworm babies.

There are great security risks in heating with open flame: First, it is easy to cause carbon monoxide and other waste gas poisoning of breeders, and silkworm farmers are sent to hospital for rescue or even death every year in our city because of open flame heating; Second, the temperature is difficult to control. Too high temperature will affect the physique of silkworms, and even dry them to death. Third, it is prone to fire accidents. At the same time, there is no seed preparation all over the country. If the silkworm eggs are poisoned, it is irreversible. Therefore, in order to ensure the safety of silkworm eggs, we should vigorously promote dark fire heating, promote ground fire dragon, sky fire dragon, electric furnace, wall-hung boiler and other forms of dark fire heating, or transform open fire heating facilities, increase ventilation outdoor flue to prevent open fire heating; When feeding silkworms in the silkworm room, there should be more than two people to take care of each other and rescue them in time when poisoning occurs; Silkworm farmers who have no facilities or poor feeding conditions and small feeding amount advocate joint household feeding, implement centralized feeding, or hand it over to small silkworm companies for feeding; The small silkworm room should be ventilated frequently to keep the indoor air fresh.

4, pay close attention to the weather and silkworm news, and jointly do a good job in fluoride prevention.

First, we must implement the municipal government's anti-fluorine ceasefire measures during the spring silkworm season; Second, pay close attention to the weather and silkworm news changes during sericulture. Once there are signs of fluorosis, agricultural anti-fluorine measures such as batch feeding, adjusting leaf position and lime washing should be taken in time to reduce losses.

5. Advocate core picking technology to improve the yield and quality of mulberry leaves.

Kerning is picking the tender head of new shoots of mulberry trees, which can accelerate the maturity of tender leaves and improve the yield and quality of mulberry leaves. The method is: before leaves are used 10 days or so, according to the plan of mulberry leaves, cut into pieces in batches and pick the core. Degree of core picking: generally, the degree of picking off the tender head of magpie mouth is the degree.

6. Pay attention to disease prevention and antivirus, and reduce the loss of silkworm diseases and poisoning.

In the process of feeding, fresh lime powder, anti-disease 1 No.,antibiotics and silkworm killer should be used frequently to disinfect and prevent diseases of silkworm beds, so as to minimize the loss of silkworm diseases. At the same time, fresh lime powder, anti-disease 1 and other volatile drugs should be stored in a sealed way and tied tightly with the back pocket. When picking mulberry leaves near mulberry fields of other crops, you must try them before eating them to prevent silkworm poisoning accidents caused by spraying pesticides on other crops.

7, strengthen ventilation, sparse rearing full of silkworm.

Due to the large amount of mulberry eaten by silkworm larvae in the big silkworm stage, their excreta is not resistant to high temperature and high humidity, so special attention should be paid to ventilation in the big silkworm stage, so as to open the door and open the window to raise silkworms, so as to be full of food. In three days, each silkworm can put enough silkworm seat area of more than 40㎡, give enough mulberry leaves and let the silkworm eat.

8. Grasp the mountain pass and improve the quality of spring cocoon production.

Doing well in sericulture is an important measure to improve the quality of cocoon production. First, choose climbing equipment with safety awareness. Due to the influence of pesticide residues in grass, a large number of cocoon-free silkworms have been produced in a few areas. It is recommended to use excellent tools such as square clips and plastic folding clips when climbing. When selecting rice straw utensils, we should try to choose rice straw with less pesticide pollution, make full use of leisure time in the early stage of sericulture and fully expose it to the sun to discharge residual pesticides as much as possible. The second is to strengthen cocoon ventilation. After all the mature silkworms go up the mountain to form cocoons into a net, the doors and windows of the cocoon layer room are opened for ventilation, so that the silkworms can spit out all the cocoon silk materials, increase the cocoon layer and improve the cocoon quality.

Attention: prevent pests and diseases, pay attention to disinfection before sericulture, prevent diseases from the second age and prevent flies and maggots from the third age; Prevent sultry and hot air from blowing; Anti-hunger silkworms should be fed less, and fed more when they are cold at night; From the third age, 1 desanding should be done every day. Collect ants on time at 8.9 am, and feed them when they are finished; When silkworms want to sleep, they should be fed with cut leaves, fed less and fed with nets to prevent them from falling asleep. The room temperature of young silkworm should not be higher than 30℃, and that of big silkworm should not be higher than 27℃. Summer silkworm is rarer than spring silkworm; Give the leaves proper and sufficient. Sleep should be handled in time. Sleeping nets should be added earlier than spring silkworms. If the growth is uneven, it is necessary to raise it in batches and raise one more batch to shorten the mulberry stopping time and sleep smoothly. Silkworms are old, so they should be picked and released in batches. Open the door and open the window 3 days after reeling, in order to remove moisture and protect the cocoon, but avoid strong wind blowing directly, and it is advisable to feel a little wind on your face.

The key of summer silkworm breeding is to focus on satiety of mulberry leaves and flexibly use the following techniques: preventing pests and diseases, preventing muggy and hungry silkworms, harvesting silkworms frequently and removing sand, harvesting ants early, expanding seats early and releasing silkworms later. The temperature in the silkworm room is even, the leaves are evenly distributed, the mulberry leaves are evenly fed, and the treatment should be timely.