Royal Canin Veterinary Urinary S/O LP 18 is a nutritionally complete dog food designed to dissolve kidney and bladder stones and help minimise the chance of them reoccurring. With reduced magnesium and carefully controlled quality proteins, LP 18 works to dissolve and prevent struvite uroliths and struvite or calcium oxalate urolithiases as well as bacterial cystitis.The low RSS formulation in Veterinary Urinary S/O LP 18 helps to dilute the urine and reduces the concentration of ions, helping to remove leading factors in the formation of kidney and bladder stones. We recommend that you seek an opinion from a veterinarian before beginning this diet. Please do not feed Veterinary Urinary S/O LP 18 to pregnant or lactating dogs, puppies, or dogs with chronic renal failure, metabolic acidosis, pancreatitis, heart failure, or hyperlipidaemia.IngredientsMaize flour, rice, animal fats, dehydrated poultry protein, maize gluten, minerals, hydrolysed animal proteins, vegetable fibres, soya oil, fish oil, fructo-oligo-saccharides, mono - and diglycerides of palmitic and stearic acids esterified with citric acid, marigold extract (source of lutein). Protein sources: dehydrated poultry protein, hydrolysed animal proteins.Analytical ConstituentsCrude ash: 6.4%. Crude fibre: 2.2%. Crude oil fats: 17%. Protein: 18%.AdditivesVitamin A: 15500 IU, Vitamin D3: 1000 IU, E1 (Iron): 44 mg, E2 (Iodine): 4.4 mg, E4 (Copper): 13 mg, E5 (Manganese): 57 mg, E6 (Zinc): 147 mg, E8 (Selenium): 0.06 mg, Urine acidifying substances: calcium sulfate (0.88%). Preservatives - Antioxidants.Analysis TableDry FormulaVitamin A (UI/kg) 18000.0Moisture (%) 9.5Fibre (%) 2.3Protein (%) 18.0Biotin (mg/kg) 1.1Nitrogen-free extract (NFE) (%) 46.6Dietary fibre (%) 5.6Metabolisable energy (calculated according to NRC85) (kcal/kg) 3706.0Calcium (%) 0.5Omega 3 (%) 0.58DL-methionine (%) 0.96Arachidonic acid (%) 0.06Vitamin C (mg/kg) 200.0[metabolisable_energy_calculated_according_to_NRC_2006] (kcal/kg) 3866.0Omega 6 (%) 3.67Linoleic acid (%) 3.5EPA/DHA (%) 0.2Starch (%) 43.3Metabolisable energy (measured) (kcal/kg) 3866.0Phosphorus (%) 0.5Lutein (mg/kg) 5.0Fat (%) 17.0Ash (%) 6.6Vitamin E (mg/kg) 600.0Taurine (mg/kg) 0.21Methionine Cystine (%) 1.24Feeding GuideDry FormulaDog\'s weight 2 kg 54 g 5/8 cup 48 g 4/8 cup 41 g 4/8 cup 4 kg 91 g 1 cup 80 g 7/8 cup 70 g 6/8 cup 6 kg 124 g 1 + 3/8 cup 109 g 1 + 2/8 cup 94 g 1 + 1/8 cup 8 kg 154 g 1 + 6/8 cup 135 g 1 + 5/8 cup 117 g 1 + 3/8 cup 10 kg 182 g 2 + 1/8 cup 160 g 1 + 7/8 cup 138 g 1 + 5/8 cup 15 kg 246 g 2 + 7/8 cup 217 g 2 + 4/8 cup 187 g 2 + 1/8 cup 20 kg 306 g 3 + 4/8 cup 269 g 3 + 1/8 cup 232 g 2 + 5/8 cup 25 kg 361 g 4 + 1/8 cup 318 g 3 + 5/8 cup 275 g 3 + 1/8 cup 30 kg 414 g 4 + 6/8 cup 365 g 4 + 2/8 cup 315 g 3 + 5/8 cup 35 kg 465 g 5 + 3/8 cup 409 g 4 + 6/8 cup 354 g 4 + 1/8 cup 40 kg 514 g 6 cup 453 g 5 + 2/8 cup 391 g 4 + 4/8 cup 50 kg 608 g 7 cup 535 g 6 + 2/8 cup 462 g 5 + 3/8 cup 60 kg 697 g 8 + 1/8 cup 613 g 7 + 1/8 cup 530 g 6 + 1/8 cup 70 kg 782 g 9 cup 689 g 8 cup 595 g 6 + 7/8 cup 80 kg 865 g 10 cup 761 g 8 + 6/8 cup 657 g 7 + 5/8 cup