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Meghna Thapar 5 years, 5 months ago
The rearing of silk worms for obtaining silk is called sericulture. The female silk moth lays hundreds of eggs on the mulberry leaves. The larvae that hatch out of the eggs are called silk worms or caterpillars. The caterpillars feed on mulberry leaves vigorously. When the silkworms are ready to enter the next stage of its development called pupa it stops feeding and its salivary glands secretes a fibre around the pupa to hold itself. The fibre is made up of protein called fibroin which hardens on exposure to air. Then it swings its head from side to side in the form of figure of eight forming a cover around pupa. This covering is known as cocoon. The further development of the pupa into moth continues inside the cocoon. The most common silk moth is the mulberry silk moth.
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