Ingredient and chemical composition of diets fed to young adult and geriatric dogs for 12 months.

1Provided per kg of APB diet: choline, 2654 mg; retinyl acetate, 15.2 KIU; cholecalciferol, 0.9 KIU; , 62.5 IU; menadione sodium bisulfite complex (source of vitamin K), 0.6 mg; thiamin, 13.1 mg; riboflavin, 14.0 mg; pantothenic acid, 25.3 mg; niacin, 70.0 mg; pyridoxine, 13.56 mg; biotin, 0.11 mg; folic acid, 949 µg; vitamin B-12, 129 µg; manganese (as MnSO4), 19.6 mg; iron (as FeSO4), 253.9 mg; copper (as CuSO4), 17.8 mg; cobalt (as CoSO4), 2.4 mg; zinc (as ZnSO4), 166.9 mg; iodine (as KI), 6.3 mg; and selenium (as Na2SeO3), 0.32 mg.
2Provided per kg of PPB diet: choline, 2457 mg; retinyl acetate, 16.3 KIU; cholecalciferol, 0.9 KIU; α-tocopherol, 74.1 IU; menadione sodium bisulfite complex (source of vitamin K), 1.2 mg; thiamin, 14.4 mg; riboflavin, 11.5 mg; pantothenic acid, 23.9 mg; niacin, 79.3 mg; pyridoxine, 15.8 mg; biotin, 0.24 mg; folic acid, 1024 µg; vitamin B-12, 33.3 µg; manganese (as MnSO4), 24.0 mg; iron (as FeSO4), 214.6 mg; copper (as CuSO4), 23.1 mg; cobalt (as CoSO4), 2.4 mg; zinc (as ZnSO4), 144.3 mg; iodine (as KI), 24.0 mg; selenium (as Na2SeO3), 0.27 mg.
3Trouw Nutrition USA, LLC, Highland, IL.