Field & Trial Maintenance Plus has been specially formulated to include joint aid for dogs which can help maintain healthy joints and flexibility of movement throughout the life of your dog. It is suitable for all breeds of adult dogs and is particularly recommended to benefit older working dogs. It contains easily digestible chicken providing the correct level of protein for the maintenance of strong muscles, teeth, and bones. Specially formulated to meet the needs of working dogs undertaking light work or at rest during the close season and for older working dogs that can benefit from the inclusion of joint aid for dogs. High levels of essential fats and oils help to maintain a healthy, glossy coat and ensure that your dog's skin is also kept in great condition. A mixed blend of cereals provides a good source of carbohydrates. A full balance of 27 vitamins and minerals promotes general good health.