People have been using the silk worm for more than 4,000 years to make silk. The practice activated in China in about 2600 BC.
Recently people have learned to produce silk like synthetic material. However since the demand for real natural silk is high, still silk worms are raised to produce silk.
The practice of raising silk worms is famous as sericulture. Read more
Psykoterapeut Koebenhavn
A fully grown silkworm is about 5 -7cm long. The silkworm is famous to be an astounding worker.
A solitary silkworm can produce a 600 meter long silk thread just in a couple of days. It spins a cocoon and silk thread can be retrieved from this.
A very large amount of cocoons is needed to make raw silk. Roughly 20,000 cocoons are needed to make half a kilogram of silk.
Different types of silk is been produced by different categories of silkworms, all around the world.
One specific variety of silkworms produces a double thread by spinning a cocoon with an added silkworm.
Natural silk which is produced by the silkworm has a greater look and feel. The silkworm moth is yellowish white. It possess a hairy body. The wingspread of the silkworm moth is about 4cm. Read more
Rundrejse Californien
The adult silkworm moth lives a short time just enough time for her to lay eggs.
The silkworm young hatch in about 10 days, and they are about half a centimeter long.
The silkworm larvae thrive on white mulberry leaves. The larvae in imprisonment are often fed on this food.
Since the white mulberry leaves are the desired food of the silkworm larvae, when they are fed on it, they produce the finest outstanding silk.
The silkworm larvae carry on eating for about six weeks. After that they climb to the top of the branch and spin their cocoon. The cocoon is ended with one long thread and it takes the larvae about six days to complete it.
After a few weeks of pupating, the larvae will emerge from the cocoon as an adult moth.
When the moth is appearing, the cocoon is been destroyed. Therefore in farms, only a limited number of moths are allowed to emerge from the cocoon. This limited number of adult moths is allowed to emerge to ensure continuation of the species. The surplus adult silkworms are been killed by heat while they are inside the cocoon. Read more
Svenske frimaerker
At the end f the threads are pulled off the cocoons, and spun in to thread and woven in to fabric.
