Delicious natural meat treats for man's best friend... Burns pig trotters are air-baked and dried so the trotter keeps the delicious flavour. This treat should keep your pet busy for a while! Natural Gluten Free 100% Meaty Treat No Artificial Flavourings Petaroni is a registered trademark of Burns Animal Foods Ltd. Ingredients: Pork, EEC Permitted Preservative. This product contains bone. Your pet should enjoy this treat under supervision.