Feed your young Guinea Pig a diet that provides the essential fiber and nutrients needed to grow strong and healthy with Oxbow Essentials Cavy Performance Young Guinea Pig Food. Growing Guinea Pigs require more protein, calcium and energy than adults. And like adult Guinea Pigs, they need Vitamin C from their diet to stay healthy. Oxbow Essentials Cavy Performance Young Guinea Pig Food is specially designed to provide the high fiber, protein, calcium and energy required for young Guineas under six months to thrive. It is made with succulent alfalfa hay and a stabilized form of Vitamin C. Feed an unlimited supply of pellets daily with an unlimited supply of grass hay.