Burns Penlan Farm Egg, Brown Rice & Vegetables for dogs has recently been approved by The Vegetarian Society. Free Range Egg (Min 20%), Organic Brown Rice (Min 20%), Seasonal Vegetables (Min 20%), Minerals & Vitamins As a natural product the consistency of Burns Penlan Range may change from time to time. Any variation in the consistency of the Penlan pouches is due to natural variation in the raw ingredients.