Given the leg color of the poult they are severely dehydrated. Get a small syringe and give them a few drops of water by holding the beak open and dropping on the tongue. If you have a penicillin based antibiotic injectable or water based give a few drops the same way as they probably have a naval infection caused by bacteria that entered through the naval during the sealing process. Give one drop of antibiotic twice per day for seven days and give water by syringe several times per day to keep the birds hydrated. Put sugar in the water to give them some quick energy then make a slurry out of starter, sugar and water, draw this in your syringe and give four or five times per day until they begin to eat on their own. I hope you have caught this early enough to save the little fellows.
Blessings,
Bo