How to raise silkworms
Silkworms were white and tender, moving slowly and very cute. In addition to breeding a large number of breeding industry, many people are willing to raise silkworms in their own homes to relieve boredom, today we will understand how to raise silkworms?
1. How to raise silkworms
1. Silkworms reproduce by eggs. Silkworm eggs are like fine sesame seeds, about 1 mm wide and 0.5 mm thick. Silkworm eggs begin to develop at a temperature of about 21-29℃. After about half a month, silkworm eggs become transparent, indicating that silkworms are coming out.
2, just hatched from eggs like ants, the whole body is black, known as "ant silkworm", covered with fine hair, about a few days after the hair is not obvious. Silkworm ants about 40 minutes after the shell that appetite, then we will start the feeding process, mainly mulberry leaves.
3. Silkworms turn white after eating mulberry leaves continuously, and begin to peel after a period of time. Silkworms do not eat and do not move when they sleep. The surface is sleep. In fact, they take off their old skin and replace it with new skin to continue growing. In the whole feeding process to molt 4 times, then try not to interfere with it. Each molting period lasts about a day.
4, after a peeling, is the second instar larvae, peeling off a skin even if an increase of one year, a total of four times to become the fifth instar larvae began to spin silk cocoon, at this time the silkworm's back will turn yellow, and will be bright and a little transparent.
5, generally about 25 days began to cocoon. It takes two days for a silkworm to form a complete cocoon and complete its last molt in the cocoon to become a pupa.
6. About ten days later, the silkworm transformed into a silkworm moth and broke out of its cocoon. After cocooning, female moths lure male moths to mate by smell, male moths die immediately after mating, and female moths die slowly after laying eggs.
II. Precautions for sericulture
1. Mulberry leaves prepared for silkworms must be clean and hygienic. Do not use medicine or soil. And no water.
2. The silkworm rearing box should be clean and odor-free.
3, do not put silkworms in the sun, to be placed in indoor ventilation.
4. Do not fiddle with silkworms with sweaty hands.
5. Change mulberry leaves in time and clean up feces.
Silkworm breeding process is introduced here, I hope interested in sericulture friends have help.
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