Gui silkworm No.2

The main results are as follows: 1. The silkworm eggs are treated with high temperature photosensitive green work, 26 in the early stage (1-4 days), 1.5 in the difference between dry and wet, and 1.5-1 in the later stage (5-10 days), photosensitive 16 hours a day, dark protection after seeing the spot to promote the hatching of silkworm eggs.

2. Conscientiously do a good job in disease prevention and disinfection before, during and after 250 years, and strengthen disease prevention hygiene and technical treatment during the silkworm period, so as to eliminate the source of disease and reduce the occurrence of diseased silkworms.

3. Fresh and ripe mulberry leaves should be carefully selected for ant collection and food.

4. In the period of strong silkworm, especially in the period of the fifth instar, good mulberry must be eaten, the silkworm seat should be thin, and ventilation should be strengthened in case of high temperature and humidity.

5, suitable ripe, density should be thin, prevent too dense, pay attention to dark light, strengthen ventilation and dehumidification, and strive to dry the chamber.

6. The standard of acid leaching of silkworm eggs: acid leaching in cold storage, the specific gravity of hydrochloric acid is 1.094, the liquid temperature is 47.8 ℃, the acid leaching points of middle line silkworm varieties and Japanese silkworm varieties are 5.05.5 and 6.0respectively. Zhang Zi (10 grams of ants) produces cocoons of more than 38 kilograms, which is 10% higher than that of "Liangguang No.2" (9 Fu × 7 Xiang). The cocoon shell rate is more than 22%, the relaxation rate is about 70%, and the purity is 92%. 93 points.