We alway see cats drinking milk, but is it really good for them? The answer is no. Many cats are lactose intolerant, which means your cat can’t digest the sugars (lactose) that are found in cow’s milk. In order to break down lactose, your body must contain the lactase enzyme, which both dogs and cats do not have.
Baby kittens must have milk, but it must be their mother’s milk. Once kittens are weaned, they require a diet of only meat and water. Cats are carnivores and therefore need a meat only diet. Cow’s milk contains no nutrition for a cat. If you cat is lactose intolerant and gets milk, she will develop gas, bloating and diarrhea.
If you want to give your cat some milk, it is best to get a specially formulated cat milk, which you can purchase from your veterinarian or from PetSupplies4Less.com. PetSupplies4Less.com carries KMR Kitten Milk Replacer, which would be a good alternative.