How to raise young silkworms
Silkworms are abnormal insects and can spin silk when they grow to a certain extent. Is a kind of animal with high economic value, how to raise the young silkworms?
How to raise young silkworms?
1. Temperature and humidity
The suitable temperature of 1-2 years old is 26-27 ℃, and the relative humidity is 90%. Therefore, 1-2 years old silkworms are reared with fully anti-drying, that is, covered with plastic film under cover, and the 3-year-old silkworms are reared with semi-anti-drying, that is, only covered with plastic film, keeping the temperature at 26-27 ℃ and relative humidity 85%.
two。 Feed
1-3 instar silkworms should be fed with tender mulberry leaves, while 4-5 instar silkworms can be fed with common mulberry leaves. Four times a day, the time is: 7: 00 in the morning, 11:00, 4: 00 in the afternoon, 10:00 in the evening; young silkworms grow and develop fast, each time feeding mulberry should be combined with seat expansion.
3. Sanitary
The newly bred silkworm baby should be taken care of very carefully. don't always touch it with your hands, it will kill it. Every time you change the mulberry leaves, you should first clean out the uneaten old mulberry leaves in the box. The nutritional value of the old mulberry leaves has been lost, let the silkworm baby eat new mulberry leaves, the nutrition will be absorbed better.
In addition, the mulberry leaves bought and fed can be packed and tied up in plastic bags and then stored in the refrigerator.
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