The earliest onset of symptoms in cats with folded ears is 2 months old. Usually, cats with folded ears will develop symptoms when they are 2 to 6 months old. However, there are also some cases where the onset of illness occurs after 1 year old. Some cats begin to develop symptoms after 6 years old. The specific time of onset is It depends on the breeding genes. If it is a homozygous cat with folded ears, the onset will be earlier, probably before 1 year old; if it is a heterozygous cat with folded ears, it will usually develop around 3-7 years old.

Obvious symptoms of cat disease with folded ears
1. The tail is thick, short, stiff, and unable to bend. The tail of some sick cats cannot swing;< 2. The hind limbs are too short, with unusual bends, growths or lumps;
3. The joints of the limbs are swollen;
4. The hind feet are abnormally thick. If you observe carefully, when the cat sits upright, , the occipital flesh of the rear foot cannot touch the ground;
5. Abnormal growth of nails.