Newborn kittens have not yet opened their eyes and are still connected by the umbilical cord. They cannot generate heat on their own and can only rely on the ambient temperature to maintain their body temperature.

It's best to place them in a sheltered environment. If possible, prepare a special birthing room and use blankets, electric blankets, heat lamps, and other tools to create a warm environment for them.
For food, you can choose lactose-free milk or goat milk powder for feeding.