Your guinea pig needs a variety of foods to keep him healthy and happy. Start with a high-quality guinea pig pellet. You can buy this from a reputable pet supply store with high turnover so the pellets are fresh. Give your guinea pig fresh, leafy greens such as romaine lettuce, spinach or kale. Add other crunchy raw vegetables such as carrots and squash for added nutrition. Offer your guinea pig small pieces of fruit such as apple slices or strawberries as an occasional treat Your guinea pig cannot manufacture vitamin C on his own so you will need to ensure he gets plenty of this vitamin in the fruits and vegetables in his diet. Your guinea pig also needs lot of timothy hay for roughage and to help keep the teeth trim. Ensure that your guinea pig has access to clean, fresh water at all times. Learn more from your vet care Crown Point, IN.