Kittens depend on their mother's milk for the first three weeks of their lives. From that point on, they start to demonstrate an interest in semi-solid food, initially licking their mother's food before picking up the skill of chewing. Because of this, it's a good idea to feed feeding and nursing queens a nourishing diet that's customized to suit their individual needs as well as the needs of their kittens. Royal Canin® Mother & Babycat is designed specifically to satisfy your cat's high energy requirements during the last stages of pregnancy and nursing. Additionally, it is designed to promote the healthy growth of nursing kittens up to four months of age. Vitamins C and E are among the nutrients found in ROYAL CANIN® Mother & Babycat that help maintain a strong immune system. This recipe has been enhanced with omega-3 fatty