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Dissolves pure struvite crystals and stones

Reduces the risk of struvite and calcium oxalate crystal and stone formation

The S/O® Index indicates that this diet has been specifically formulated to help manage urine pH, urine volume, and mineral concentrations to prevent the formation of struvite and calcium oxalate crystals and stones.

Specially formulated to assist in the management of lower urinary tract disease in cats.

Chicken by-product meal, brewers rice, corn gluten meal, corn, chicken fat, natural flavors, powdered cellulose, salt, grain distillers dried yeast, egg product, potassium chloride, fish oil, calcium sulfate, sodium bisulfate, vegetable oil, taurine, choline chloride, DL-methionine, vitamins [DL-alpha tocopherol acetate (source of vitamin E), niacin supplement, biotin, riboflavin supplement, D-calcium pantothenate, pyridoxine hydrochloride (vitamin B6), vitamin A acetate, thiamine mononitrate (vitamin B1), vitamin B12 supplement, folic acid, vitamin D3 supplement], trace minerals [zinc proteinate, zinc oxide, ferrous sulfate, manganese proteinate, manganous oxide, copper sulfate, calcium iodate, copper proteinate, sodium selenite], marigold extract (Tagetes erecta L,), rosemary extract, preserved with mixed tocopherols and citric acid.

Calorie Content

This diet contains 3631 kilocalories of metabolizable energy (ME) per kilogram or 298 kilocalories ME per cup on an as fed basis (calculated).

Crude Protein (min) 32.5%
Crude Fat (min) 13.5%
Crude Fiber (max) 4.5%
Moisture (max) 9.5%
Magnesium (max) 0.08%

Weight Low Activity Medium Activity High Activity
3.3 lb (1 1/2 kg) 1/4 cup (21 g) 3/8 cup (27 g) 3/8 cup (32 g)
4.4 lb (2 kg) 3/8 cup (26 g) 3/8 cup (33 g) 1/2 cup (40 g)
5.5 lb (2 1/2 kg) 3/8 cup (31 g) 1/2 cup (39 g) 5/8 cup (46 g)
6.6 lb (3 kg) 3/8 cup (35 g) 1/2 cup (44 g) 5/8 cup (53 g)
7.7 lb (3 1/2 kg) 1/2 cup (39 g) 5/8 cup (49 g) 3/4 cup (59 g)
8.8 lb (4 kg) 1/2 cup (43 g) 5/8 cup (54 g) 3/4 cup (65 g)
9.9 lb (4 1/2 kg) 5/8 cup (47 g) 3/4 cup (59 g) 7/8 cup (70 g)
11.0 lb (5 kg) 5/8 cup (51 g) 3/4 cup (63 g) 7/8 cup (76 g)
12.1 lb (5 1/2 kg) 5/8 cup (54 g) 7/8 cup (68 g) 1 cup (81 g)
13.2 lb (6 kg) 3/4 cup (58 g) 7/8 cup (72 g) 1 cup (86 g)
14.3 lb (6 1/2 kg) 3/4 cup (61 g) 7/8 cup (76 g) 1 1/8 cup (91 g)
15.4 lb (7 kg) 3/4 cup (64 g) 1 cup (80 g) -
16.5 lb (7 1/2 kg) 7/8 cup (67 g) 1 cup (84 g) -
17.6 lb (8 kg) 7/8 cup (71 g) 1 1/8 cup (88 g) -
18.7 lb (8 1/2 kg) 7/8 cup (74 g) 1 1/8 cup (92 g) -
19.8 lb (9 kg) 1 cup (77 g) 1 1/8 cup (96 g) -
20.9 lb (9 1/2 kg) 1 cup (80 g) 1 1/4 cup (100 g) -
22.0 lb (10 kg) 1 cup (83 g) 1 1/4 cup (103 g) -

Royal Canin Veterinary Diet Feline Urinary So Dry Cat Food

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