Females lay eggs using incubation periods 10-12 day silkworm Jinan hatch from an egg. Silkworm eggs hatching will start to eat mulberry leaves. As time goes 20-25 days. Silkworm was built fiber covering himself, for a period of 2-4 days.In the 10-12 days will become a butterfly. Then the female started breeding and spawning after จากวาง eggs 2-3 days, the female will die.