I have a hen with a crooked beak that I have been syringe feeding for a long time, although her beak is a genetic thing. I took the hen to the vet and he gave me Lafeber's Nutritional support. You can only get through a vet. You mix it with water and syringe feed. I also syringe feed her with organic baby food, peas, green beans, peaches and now only occasionally apples as she got sour crop from too much apples. Hope that helps