Rabbit, Guinea Pig, Mouse & Rat Treats Peters Carrot Chips are a delicious treat for pet rabbits, guinea pigs, mice and rats. Sprinkle some in the food bowl or feed by hand. Naturally sweet tasting and delightful to nibble, Peters Carrot Chips are ideal as a reward or just for fun to show you care. Suitable for all breeds of adult rabbits, guinea pigs, mice and rats. Feed Peters Carrot Chips as a supplement to your pet’s main diet.