Jjexporters.com
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J J Exporters
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According to Chinese legend, the culture and use of Silk originates 4000 years back on the banks of Hwang-ho or Yellow River. The empress Si-Ling-Chi learned how to rear the caterpillars on mulberry leaves and how to unwind the silk from cocoons. The secret of silk-making was kept close by the Chinese and was smuggled into Japan early in the Christian era and also reached India.
Silk is a strong, soft, lustrous fibre extruded by certain kinds of moth and spiders. The cultivated silk variety is produced by the species Bombyx mori. There are other less-cultivated species, known as Wild Silk (such as Tussar feeding on Oak leaves, Eri on Castor-oil plant leaves and Muga on variety of polyanthus leaves like Som, soalu etc.).
Silkworm eggs (popularly known as seeds) are laid out on the mulberry leaves to hatch out into caterpillars about 2 mm long. They grow rapidly, eat voraciously and end up about 30 mm long after 4-5 weeks. During this time, they change skins 4 times. After final skin change, straw frames are provided in which silkworms makes its cocoon. Cocoon-making takes further 8 days, It takes the silkworm another 3-4 days to transform into pupa and another 15 days for the moth to emerge. Like all other moths, the insect passes through four stages in it's life : Egg, Caterpillar, Pupa (or chrysalis) and perfect insect. Female moth lays 200-500 eggs at a time, normally in the summer.
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- InfoSoft
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