Applaws Cat Tuna Fillet with Pacific Prawn in Broth. Applaws Tuna Fillet with Pacific Prawn in Broth contains nothing more than the ingredients listed and is a 100% natural complementary pet food for adult cats. Composition Tuna Fillet 55%, Fish Broth, Pacific Prawn 20%, Rice. Analytical Constituents Protein 15% Crude Fibre 1% Crude Fat 1% Crude Ash 2% Moisture 82% Additives None