Dry Cat Foods


Gumby and Slick

This page is dedicated to Gumby and Slick, brothers who fought valiently against the scurge of CRF
(Cats diagnosed with Chronic Renal Failure require a diet low in phosphorus)

Ordered by Percentage of Phosphorus
Based on dry-matter analysis

Disclaimer: Individual companies were contacted for dry matter analysis values, if dry matter analysis was not available, average runs or as-fed numbers were used to calculate the dry matter analysis numbers. Please be advised that companies periodically send out samples to assure themselves that they are staying within label minimums and maximums. Numbers vary between these samples. The numbers presented here represent an average of one set of samples at a given point in time. If you contact the mfg and the numbers you obtain are different it is because 1) They have changed their recipe 2) A small variance between samples has occurred or 3) There was a miscalculation. Please contact me if this is the case.

Updated Version can be found HERE

Low-Protein Veterinary Dry Foods %protein %phosphorus % of sodium % of fat
         
Walthams Low-Protein dry 26.10 0.340 0.22 22.20
PurinaCNM NF dry 30.78 0.410 0.20 12.85
Hill's K/D (dry) 28.20 0.460 0.25 22.30
Eucanuba Multi-Stage Renal Diet 30.39 0.542 0.49 25.46
IVD SelectCareModified Dry 28.29 0.622 0.26 24.05
IVD Select Care Mature (Early kidney, heart disease) 28.80 0.780 0.27 16.18
         
Natural Dry Cat Foods %protein %phosphorus % of sodium % of fat
         
Techni-Cal Senior* (a UK product, not available in US) 30.43 0.650 0.22 15.22
Sensible Choice Senior 30.80 0.650 0.33 25.22
Royal Canin Senior Formula* 30.76 0.652 0.38 25.54
Eagle Pack Hairball Formula* 30.50 0.700 0.40 14.40
Science Diet Nature's Best with Real Chicken* 34.40 0.730 0.30 21.90
Neura Wellness 'Lite' Formula 33.15 0.751 0.22 12.05      
Royal Canin Persian Formula* 33.33 0.778 0.34 24.44      
Eagle Pack Less Active Formula* 24.73 0.790 0.35 12.27      
Science Diet Nature's Best with Real Ocean Fish* 33.60 0.800 0.35 21.90      
Wysong Uretic* (for FLUTD cats, not crf) 36.60 0.800 0.30 26.70      
Wysong Vitality* 38.60 0.800 0.30 20.20      
Wysong Nurture* 39.80 0.800 0.30 24.20      
Bil-Jac Reduced Fat Dry Cat Food 31.11 0.810 0.41 11.11      
Innova Cat Lite 28.80 0.830 0.24 10.00      
Eagle Pack Adult Formula* 32.42 0.850 0.36 20.50      
Precise Light Formula* 30.90 0.860 0.13 9.90      
Precise Senior Formula* 31.00 0.880 0.11 11.10      
Natural Life Adult Formula* 33.30 0.880 0.28 13.30      
Royal Canin Maine Coon Formula* 34.44 0.880 0.33 22.22      
California Natural Chicken & Rice 40.60 0.880 0.39 18.44      
SensibleChoice (ReducedCalorie) 29.67 0.890 0.44 11.11      
Newman's Own Cat Food 33.30 0.900 0.20 12.50      
Precise Feline Foundation Formula* 33.30 0.900 0.22 17.80      
Pet Guard Premium Dry* 36.36 0.900 0.58 18.18      
Wysong GeriatRX (dry)* 36.40 0.900 0.30 20.50      
BackToBasics 36.40 0.902 0.46 23.29      
Nutro MaxCat Senior Dry* - old formula 31.92 0.920 0.33 13.64      
Bil-Jac Dry Cat Food - Adult 34.44 0.920 0.44 20.00      
Excell (ReducedCalorie)(PetProductsPlus) 32.72 0.924 0.43 11.04      
Excel Senior Formula 34.46 0.924 0.38 22.07      
FlintRiverRanch (Regular)* 34.99 0.929 0.44 22.68      
Pinnacle Cat Food (made by Breeder's Choice) 36.09 0.940 0.28 20.11      
Authority (PetsMart) Chicken and Rice* 36.00 0.950 0.15 18.60      
Authority Senior Dry Food* 34.73 0.960 0.34 9.29      
Evolve Senior Lite 31.04 0.961 0.13 10.78      
Nature's Recipe Optimum Senior 32.79 0.980 0.17 9.29      
Natural Life Lamaderm Formula 32.80 0.980 0.28 15.80      
Chicken Soup for CatLovers 33.70 0.980 0.40 21.9      
Solid Gold Katz-N-Flocken 37.00 0.980 0.28 13.1      
BestInShow Adult Cat Food 37.36 0.987 0.37 19.78      
Purina O.N.E. Special Diet*
(Not for CRF cats, as it acidifies)		 34.49 0.990 0.20 16.24      
Blue Buffalo Lite Formula 29.00 1.000 0.40 9.60      
Natural Life Kitten Formula* 35.50 1.000 0.28 16.60      
AVO-Cat by Breeder's Choice 36.39 1.000 0.54 23.56      
Royal Canin Siamese Formula* 42.22 1.000 0.44 13.33      
Blue Buffalo Adult Formula 37.80 1.100 0.40 19.90      
Royal Canin Adult* 35.11 1.030 0.43 14.57      
Royal Canin Special* 36.09 1.030 0.43 24.24      
FlintRiverRanch (Lite)* 28.18 1.040 0.50 14.36      
Evolve Kitten Food 41.73 1.042 0.18 22.64      
Royal Canin Hairball Formula* 36.30 1.050 n/a 24.13      
Nutro MaxCat Lite* old formula 37.22 1.060 0.38 11.33      
Neura's Old Mother Hubbard Special Diet-Low Magnesium 36.78 1.070 0.48 18.35      
Authority (PetsMart Brand) Lamb and Rice* 37.30 1.070 0.12 18.00      
Excel Adult Formula (PetProductsPlus) 35.33 1.087 0.43 23.37      
Royal Canin Slim* 40.43 1.087 0.27 10.87      
SensibleChoice (regular) 34.40 1.110 0.42 16.67      
Nutro Natural Choice Weight Control Formula 37.34 1.110 0.46 13.13      
Nutro Natural Choice Complete Care Adult 37.69 1.110 0.45 21.25      
Evolve Adult Maintenace 37.97 1.117 0.17 21.61      
Wellness Kitten 35.50 1.120 0.32 24.05      
Innova 39.13 1.130 0.41 22.28      
Lick Your Chops 33.80 1.160 0.29 15.80      
Neura Wellness Adult Formula 35.50 1.190 0.32 24.05      
Nutro's Natural Choice Kitten 40.15 1.250 0.43 23.44      
Natures Variety Prairie Chicken and Rice 35.40 1.320 0.46 22.30      
Azmira Dry Cat Food 28.26 1.560 0.26 16.40      
Natural Balance n/a 1.600 0.30 n/a      
Natures Variety Prairie Beef and Barley 35.30 1.800 0.49 22.00      
Felidae Dry 38.20 1.800 0.24 23.47      
Natures Variety Prairie Lamb and Rice 35.2 1.810 0.48 22.00      
Cornucopia (sorry phosphorus & sodium was not avail.) 32.60 n/a n/a 16.30      
Nutro Natural Choice Complete Care Senior unavailable unavailable unavailable unavailable      
*contains corn gluten meal
(a lesser quality protein source)		              
               
Dry Foods With By-products
and/or Unnatural Preservatives		 %protein %phosphorus % of sodium % of fat      
               
Hill's Health Blend Geriatric 33.30 0.670 0.33 20.60      
Science Diet Feline Senior 33.70 0.680 0.29 16.30      
Hill's Health Blend Adult 32.80 0.700 0.23 20.20      
Triumph Adult - Natural preservatives 36.10 0.730 0.43 23.40      
Science Diet Feline Maintenance 33.80 0.740 0.32 23.00      
Science Diet Sensitive Stomach 35.90 0.740 0.40 21.00      
Science Diet Hairball Formula 34.30 0.750 0.32 16.80      
IAMS Ocean Fish and Rice 34.66 0.810 0.35 22.74      
Science Diet Lite 40.80 0.830 0.40 9.00      
IAMS Active Maturity - Natural Preservatives 36.96 0.870 0.29 16.17      
Waltham Lean Feline Diet 30.70 0.870 0.32 9.50      
Eukanuba Lamb and Rice 37.70 0.918 0.39 23.60      
IAMS Less Active - Natural Preservatives 32.40 0.920 0.32 16.55      
IAMS Moderate PH/O veterinary diet for calcium oxalate stones 35.68 0.960 0.49 18.17      
IAMS Lamb/Rice dry - Natural Preservatives 35.40 0.989 0.47 24.26      
Waltham Chicken & Selected Multi-Grain Feline Diet 35.00 1.000 0.43 16.80      
IAMS Original Flavor 34.47 1.010 0.31 22.62      
Waltham Adult Conditioning Feline Diet 34.57 1.030 0.47 11.49      
Purina Special Care (low PH formula) 34.79 1.040 0.34 15.99      
Friskies Senior Dry Cat Food 30.79 1.070 0.27 9.12      
Friskies Special Dry Cat Food (not recommended for crf) 33.39 1.070 0.31 16.53      
IAMS Hairball Care - Natural Preservatives 36.54 1.090 0.36 24.78      
Purina Mature 34.68 1.100 0.36 8.75      
Savory Blend by Whole Foods Market - Natural Preservatives 35.96 1.140 0.43 10.27      
Purina O.N.E. Salmon and Tuna 37.46 1.140 0.33 13.74      
Waltham Senior Diet 34.17 1.170 0.39 11.10      
Waltham Kitten Diet 36.10 1.170 0.55 12.43      
KalKan Crave Dry Catfood 34.49 1.240 0.62 11.24      
Purina Cat Chow 35.15 1.290 0.33 14.09      
Purina CNM - EN (Semi-Moist food) 41.89 2.010 0.32 17.01      
               
Other Veterinary Diets %protein %phosphorus % of sodium % of fat      
         
Hills G/D (Mngmt of Renal Insufficencies) 33.40 0.550 0.34 18.90
Hills C/D - S (Mngmt of Struvite Crystals, long term) 34.60 0.670 0.37 16.30
IVD Select Care Control (For Struvite and Oxalate Crystals) 33.41 0.750 0.39 22.63
Hills S/D (Mngmt of Struvite Crystals, short term) 34.20 0.770 0.70 26.30
Wysong Feline Uretic* (LUTD) 36.60 0.800 0.40 26.70
IVD Select Care HiFactor (weight control, constipation, diabetes) 36.13 0.810 0.42 12.18
IVD Green Peas & Rabbit (Limited Ingredient Diets) 34.18 0.820 0.26 12.84
IVD Select Care Weight Control 34.14 0.830 0.40 11.52
Hills Science Diet Feline ID 40.00 0.840 0.36 20.40
Hills W/D (High Fiber, Low Fat) 38.80 0.850 0.27 9.30
IVD Select Care Neutral Formula 28.13 0.940 0.37 11.55
Eukanuba Vet Diet Moderate PH/O (LUTD,Oxalate Stones) 36.00 0.970 0.49 18.33
IVD Green Peas & Venison (Limited Ingredient Diets) 33.98 1.830 0.37 17.11
IVD Green Peas and Duck (Limited Ingredient Diets) 35.07 1.310 0.47 14.21
IVD Green Peas and Lamb (Limited Ingredient Diets) 36.13 1.840 0.46 13.55
         
Revised: 05-Nov-2003        
         
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IN LOVING MEMORY OF GUMBY AND SLICK

Gumby who fought CRF 5 months, passing May 11, 1998
and Slick who fought CRF 5 years, passing Sept 13, 2003