Milk and Other Dairy Products - But, a small saucer of milk or a slice of cheese can really affect a kittens undeveloped digestive system. (pethelpful.com)
Lactose (milk sugar) intolerance, a deficiency of the intestinal enzyme lactase, is seen in some adult cats which is why the traditional saucer of milk is not necessarily the best treat for a cat. (petpeoplesplace.com)
Over the years, farmers would sometimes put out saucers of milk for kittens. (catster.com)