Egg food is a required food supplement at mating and moulting. It is
made by mashing a 30-minute hard cooked egg with enough toasted whole
wheat bread crumbs to give a crumbly moist mixture. Crushed cracker
crumbs, Pablum, chick starter mash, or French's Nestling Food may be
substituted for the whole wheat bread crumbs to provide variety. Egg
food spoils quickly. As a precaution, any remaining in the cup or
scattered on the cage floor should be removed within two or three hours.
Egg food can be kept a short while under refrigeration, but it should be
fed at room temperature, rather than cold. At the first off taste or
odor it should be discarded, and a fresh lot prepared. French's Nestling
Food moistened with water or scalded milk makes a reliable egg food
substitute for occasional feeding.