How Long Does It Take For Cats To Grow Back Fur. If the mange condition is treated properly, the skin will begin to repair itself and your pet’s fur will grow back.in extreme cases of mange mites it is possible some areas of your pet’s skin may take longer than others to heal and begin hair growth once again. Some mange cases will not grow hair back because the mange mites have destroyed all the.

My female cat was spayed approximately two years ago. There is a layer of soft downy fuzz, but nothing more. They recruited and clipped 11 labrador retrievers throughout the year, and found their coats grew back to full length between 13.6 and 15.4 weeks.