Some people put the eggs in mesh bags or baskets to hatch. If you have one egg per bag, then after it hatches you have one chick and one shell in that bag, which makes it easy to tell.
The more chicks you have at once, the harder it is to keep track of them all. Putting each egg in an...
I have used this one:
https://iqbirdtesting.com/
I was doing a different breed of chicken, not silkies, but I don't think that would make any difference.
They were accurate for the two chickens I did.
I plucked a few feathers from the chest of each chicken (following directions from their...