Your guinea pig depends entirely on you for a proper diet. Feed your guinea pig a nutritionally complete guinea pig pellet daily. Provide access to timothy hay at all times to help with digestion and to keep your pig’s teeth trim. Carrots are good for your pig’s teeth too. Guinea pigs need fresh vegetables once a day. Offer high-nutrition leafy greens such as kale, spinach or romaine lettuce. An occasional slice of apple or zucchini makes a nice treat but don’t give treats too often or your guinea pig could get diarrhea. Guinea pig’s bodies cannot manufacture vitamin C so you will need to supplement your pig’s diet with a slice of orange, papaya or strawberries on occasion. Remove all uneaten fruits and vegetables about an hour after you offer them to your pig to keep the cage clean. For more information, contact your Lakewood Ranch, FL vet.