Companion bird foods that do not contain animal proteins can be deficient in the necessary amino acids methionine and lysine. Protein Egg Food is made with baked whole eggs, whole grain bread crumbs and pure honey. Feeding Higgins Protein Egg Food as part of your birds diet willnot only add variety but will supplement its dietary intake with Vitamin A for immunity, Vitamins B12 & E for cell deveoplment, Vitamin D for bone and muscular development and Biotin for improved feathering.