I raise silkworms, but they always lie motionless in the box. When I touched him, he moved and did not move.

So is mine. However, my classmates told me that this is a precursor to peeling. In a few days, your silkworm baby will be molted. Don't worry, the optimum growth temperature of silkworms is between 20 and 30 degrees. If the weather is too cold, silkworms rarely move, and young silkworms may be molting. Silkworms need to molt four times from silkworm ants to spinning cocoons (1-4 years old). When the temperature is around 27 degrees, you will usually molt for three times (1-3 years old) and once every four days (4 years old). You can feed young silkworms for about eight days. Then you will be finished.