A nurser developed to promote the natural feeding of Esbilac, KMR or other liquids to animals and Zoologic Doe Milk Replacer to fawns. Bottles and nipple specially designed for small and large babies: 2 oz. for small animals, 4 oz. for larger animals and 16 oz. for fawns. Bottle feeding allows animal to refuse formula when full. Nursing action develops facial muscles and stimulates the normal flow of saliva. Durable enough to stand up to hard use. Marked with graduations to make monitoring food intake easier and to help prevent over or under feeding.