The growth of silkworms separated into 4 stages which are egg stage, worm stage, cocoon stage, and adult moth stage.
The life cycle of silkworms begins when adult moth lay eggs. A female moth lays about 250-500 tiny eggs. Eggs are yellow in the beginning and then change into grey before hatching in 10 days.
After hatching "Larvae or Worm" eats mulberry leaves 3 times a day. They feed on mulberry until become fat and full-growth in 3 - 4 weeks.
When the silkworm is alive for 12-13 days, the silk gland is only 6.39%...