How much is a colored silkworm? Is the silk spit in color? How to make the white silkworm into color?

"colorful silkworm" is the latest scientific research achievement which is introduced and absorbed by sericulture research institute at home and abroad and developed after years of research and innovation. By using the most advanced sausage-type artificial feed (without mulberry leaves) and colored silkworm and colored cocoon (the colored cocoon technology is provided by the sericulture Research Institute of the Academy of Agricultural Sciences), by raising "popular science silkworm babies", the whole life process of silkworm babies such as growth and development, silkworm spinning, cocooning, pupation, moth production and oviposition can be observed completely.

First, the price of colored silkworm

The price of 50 colored silkworm eggs is about 10 yuan, which is twice as expensive as that of white silkworms. The silkworm has six years old, and the prices of colored silkworms of different ages are also different.

2. Silk spinning of colored silkworms

The temperature requirement of colored silkworm is relatively high, and the baby silkworm is suitable for living in the environment where the temperature is 20 ℃ 30. It can also be raised with fresh mulberry leaves or whole or cut into small pieces with special artificial feed.

The main results are as follows: 1. it can be raised in whole or cut into small pieces with matching special artificial feed, or with fresh mulberry leaves. However, after feeding with mulberry leaves, it can no longer be raised with artificial feed.

2. Artificial feed should be sealed and refrigerated in a 5 ℃ refrigerator. It can be refrigerated for about 15 days after opening.

3. Avoid contact with harmful gases, especially insecticide, mosquito repellent, perfume, camphor, etc.

4. The optimum temperature and humidity of young silkworm (1-3 years old) are 26-29 ℃ and 85% respectively. First spread a small piece of feed at the bottom of the feeding box, and then catch the young silkworms to the top of the feed layer. Feed dry silkworm bite can not be changed, so it is best to put a little more feed each time, so that there is no need to change feed frequently, generally 1-3 years old each age to change feed. It is best to use a brush or a soft brush to catch silkworms, and never use your hands. At the same time, cover the vents of the feeding box with a little wet gauze every day, which can prevent the feed from drying too quickly, but there can be no dripping.

5. The optimum temperature of silkworm stage (4-5 years old) is 25 ℃. The surrounding environment requires fresh and ventilated air. At this time, the food intake of silkworms began to increase, it is necessary to timely supplement feed, timely clean up the silkworm feces and residual feed and other sundries in the feeding box, and keep it clean.

6. when the baby silkworm is transparent and ready to spit silk, put it in a box with squares, one for each grid, without feeding feed or mulberry leaves, it will begin to cocoon itself.

7. the silkworm can be pupated about a week after cocooning. If you need to observe pupation, you can cut it at one end of the cocoon with a knife 2-3 days after cocooning. Pour out the unpupated silkworm and gently place it on clean and soft paper. The process of pupation can be seen by frequent observation.

Third, can white silkworms be cultivated into colored silkworms?

The technology of colored silkworm culture is similar to that of ordinary silkworm culture, but the disease resistance of colored silkworm is relatively strong, and it can adapt even if the weather changes. In the spring of 2011, Tongliang County took the lead in raising 6 colored silkworms in Damiao Town and harvested more than 200 kilograms of orange cocoons to make natural colored silk quilts, which were well received by consumers.

Colored cocoon is through the transformation of silkworm genes, so that silkworms spit out a variety of colored silk, such as orange, pink, light yellow, light green, rust color. The natural colored silk extracted from colored cocoons is soft and bright in color, and the textile is made of this pure natural colored silk, which is as environmentally friendly and does not decolorize as natural colored cotton, omits the printing and dyeing process and reduces the pollution of silk printing and dyeing. It can avoid the harm of various chemical residues in fabric processing to the human body, and the products are favored by high-end consumers at home and abroad and have strong competitiveness in the market.

The colored silkworm is not a new species, but it is realized by scientific and technological feeding on the basis of the silkworm, so the colored silkworm still looks like a white silkworm in the growth process, and the silk is colored, but it is colored when it forms a cocoon and becomes a pupa.