Royal Canin Feline Health Nutrition Mother & Babycat Mousse (WET FOOD - Cans) 195g ROYAL CANIN Mother & Babycat Loaf is formulated with the nutritional needs of the mother and her kittens in mind. This food is suitable for gestating or lactating queens as well as 1 to 4 month old kittens during their 1st age.Between 4 and 12 weeks after birth, the natural immunity acquired from the mother's colostrum (a milky secretion rich in protective antibodies) gradually decreases. ROYAL CANIN Mother & Babycat contains a patented complex of antioxidants, including vitamin E, which helps to support the kittens' natural defences while their immune systems are still developing.