The reasons why black cats have white hair: 1. It may be a genetic problem. If the parents of a black cat are not solid-colored cats, the black cat will have white hair when it is three months old. 2. It may be that black cats have unbalanced nutritional intake. If the food fed to black cats is not nutritionally balanced, it will also lead to the phenomenon of white hair.

How to prevent black cats from growing white hair:

1. If the parents of black cats are not solid-colored cats, it will cause white hair to appear when the black cat is three months old. Hair, this is a normal genetic phenomenon, and cat owners don’t need to worry.

2. If the food fed to black cats is unbalanced in nutrition, it will also lead to the phenomenon of white hair. In this situation, you need to pay attention to supplementing nutrition for black cats at ordinary times, feeding more high-nutrient foods, and adding calcium, vitamins, etc. can improve it.