Key advantages British Duck Rich in Natural Vitamins and Minerals Responsibly sourced Suitable for puppies 12 weeks and over Great Training Treat Easily Digestible Healthy and Nutritious No Additives or Preservatives Suitable for all ages Composition: duck (82%),wheat flour, glycerol, vitamins & minerals. Analytical Constituents: crude protein 28%, crude fibre 0.2%, crude fat 16.5%, crude ash 9.8%, total moisture 17.8%.