Easy-to-mix powdered formula. Hartz Advanced Care Milk Replacement for Kittens can be used as a food for orphan kittens from birth to 35 days old. It is also suitable as a supplement for the mother during pregnancy and while suckling her young. Normal cow's milk doesn't provide the necessary protein and oils required. Hartz Advanced Care Milk Replacement for Kittens, however, provides the correct balance of oils, vitamins and minerals. Made in the U.S.A.