A few cats with folded ears can erect their ears, but it is impossible to tell when. Cats with folded ears need this person to supplement their nutrition so that they can stand upright. Cats with folded ears are generally accompanied by cartilage, bone dislocation, deformation, and lack of a large amount of calcium. This requires the owner to patiently supplement the cat with liquid calcium, vitamins and other nutrients on a regular basis to reduce the possibility of the cat getting sick.