Some people freeze coconut oil and offer it as little chunks that the bird can eat directly. Others administer by syringe or dropper. I usually do syringe but luckily my one girl who has a tendency to crop issues likes to drink the coconut oil straight from the dish.
You can try the egg white...
She might have a blockage further down her digestive tract that is causing the slow crop and lack of poop.
You could try giving her coconut oil, it’s lubricating as well as antifungal. You could also try giving her egg white, that will wrap around anything hard or sharp and facilitate its...