Made from timothy grass meal, Oxbow Essentials Adult Rabbit food (formerly Bunny Basics/T) is specifically designed to meet the particular nutritional needs of adult rabbits. Adult nutritional needs are lower than those of animals in the growth stage of life. Rabbits are designed to eat and digest fibre found in plant material. Timothy grass hay provides the fibre necessary to maintain intestinal health, and makes Essentials Adult Rabbit food the veterinarian's number one choice for your adult rabbit. Timothy hay-based Optimum protein level Ideal diet for adult rabbits Recommended by veterinarians Balanced calcium to phosphorus ratio High fibre from quality digestible ingredients Essentials Adult Rabbit food is made with timothy hay and does not contain alfalfa (lucerne). It is therefore low in calcium. In addition it has a low oil content.