Most silkworm sellers just tell you to hatch them at a certain temp, but sometimes the hatch can take several days, and they don't tell you there are techniques that you can use in hatching. There was a 5 day period where I got up 2 x at night brushing kegos and going out to the yard to fetch fresh leaflets. But now I just use chow in the beginning to save work, as the newborns simply crawl onto the chow themselves. However, if you want to save the manual labor of tending to silkworms at various stages, try this technique:
Simply cover or put your eggs as soon as you see they have turned gray in completely darkness. Remove the cover in 2 days and expose to light (not directly of course) in the morning.. You will see hundreds hatch out before your eyes almost instantly. Allow two hours for the rest. If there are eggs that still have not hatched, repeat your technique and expose to light the following morning. This ensures most of your silkworms develop at around the same age.
Simply cover or put your eggs as soon as you see they have turned gray in completely darkness. Remove the cover in 2 days and expose to light (not directly of course) in the morning.. You will see hundreds hatch out before your eyes almost instantly. Allow two hours for the rest. If there are eggs that still have not hatched, repeat your technique and expose to light the following morning. This ensures most of your silkworms develop at around the same age.
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