The reason for silver gradient folded ears is that there is a lot of inbreeding, so folded ears occur. Moreover, folded ears are a genetic disease, and offspring will basically inherit the disease. Broken ears are a type of rickets, which usually start to appear in cats after a few months or when they reach adulthood. Therefore, they need to eat chondroitin from an early age and supplement nutrition and calcium to prevent cats from being too painful when the disease occurs.