TABLE 1.
Ingredients and mean dietary composition for the low protein and phosphate “renal” diet and the moderately protein and phosphate restricted diet MP fed to cats before and during this study respectively. Nutrients expressed per Mcal of Metabolizable Energy with Energy calculated by the manufacturer using the National Research Council 2006 equation
| Nutrient | Low protein and phosphate restricted renal diet | Moderately protein and phosphate restricted MP diet |
|---|---|---|
| Energy (Kcal/kg) | 3925 | 3789 |
| Moisture (g/Mcal) | 20 | 21 |
| Protein (g/Mcal) | 59 | 74 |
| Fat (g/Mcal) | 43 | 37 |
| EPA‐DHA (g/Mcal) | 1.1 | 2.1 |
| NFE (g/Mcal) | 112 | 109 |
| Starch (g/Mcal) | 97 | 89 |
| Crude fiber (g/Mcal) | 12 | 14 |
| Total dietary fiber (g/Mcal) | 27 | 34 |
| Minerals (g/Mcal) | 15 | 15 |
| Calcium (g/Mcal) | 1.5 | 2.0 |
| Phosphate (g/Mcal) | 0.8 | 1.5 |
| Calcium : phosphate ratio | 1.9 | 1.3 |
| Sodium (g/Mcal) a | 1.0 | 1.1 |
| Potassium (g/Mcal) | 2.3 | 1.8 |
| Chloride (g/Mcal) | 2.7 | 2.0 |
| Vitamin D3 (IU/Mcal) | 204 | 185 |
| Vitamin A (IU/Mcal) | 5990 | 6070 |
| Ingredients |
Renal diet: maize flour, rice, animal fats, wheat gluten, vegetable fibers, maize gluten, soya protein isolate, maize, hydrolyzed animal proteins, minerals, chicory pulp, dehydrated poultry protein, fish oil, soya oil, mono ‐ and diglycerides of palmitic and stearic acids esterified with citric acid, psyllium husks and seeds, fructo‐oligo‐saccharides, marigold extract (source of lutein). MP: Maize, wheat gluten, maize flour, dehydrated poultry protein, wheat, maize gluten, animal fats, rice, vegetable fibers, hydrolyzed animal proteins, chicory pulp, fish oil, soya oil, minerals, tomato (source of lycopene), psyllium husks and seeds, FOS, GLM 0.3%, hydrolyzed yeast (source of mannan‐oligo‐saccharides), hydrolyzed crustaceans (source of glucosamine), borage oil, marigold extract (source of lutein), hydrolyzed cartilage (source of chondroitin). |
|
Abbreviations: DHA, docosahexaenoic acid; EPA, eicosapentaenoic acid; FOS, fructo‐oligo‐saccharides; GLM, New Zealand green‐lipped mussel extract; NFE, nitrogen‐free extract.
Prior to 2014, renal diet contained 0.8 g/Mcal sodium. All other nutrient concentrations were consistent during the study period.