How to make silkworm eggs green?

(agricultural get Rich Network) how to promote silkworm eggs? After the silkworm eggs are collected, the silkworm eggs are protected in a suitable environment to make the embryos develop normally. The specific methods are as follows: in the sterilized silkworm room, lay the silkworm eggs in the silkworm plaque with the egg face up, the room temperature is 24 ℃ on the 4th day, the difference between dry and wet is 22.5 ℃, and the room temperature is 27 ℃ on the 5th-10th day. The difference between dry and wet is 1.5 ℃. When the embryo develops to the later stage, when a small number of silkworm eggs are found to be cyan dots, the silkworm eggs are immediately covered with black cloth. After about 40 hours, that is, 4-5 before dawn on the third day, the dark black cloth is removed, the silkworm eggs are wrapped in white paper, and the eggs are exposed to light. Let the ant silkworm bite through the egg shell and hatch.