Pre-hatch, you inject the dye through the shell: http://chickscope.beckman.uiuc.edu/resources/egg_to_chick/coloring.html
Post hatching, you dip the chick in kool-aid (NOT its head!!!--that you could pour kool-aid over as long as you avoid the nostrils). If you use kool-aid, be SURE to keep the chicks warm throughout the entire process.
Post hatching, you dip the chick in kool-aid (NOT its head!!!--that you could pour kool-aid over as long as you avoid the nostrils). If you use kool-aid, be SURE to keep the chicks warm throughout the entire process.