Table 2. Food composition, expressed as means and standard deviation (SD), of feline foods used in digestibility studies.*,† .
All Cat Foods | Dry Cat Foods | Canned Cat Foods | ||||
(n = 227 studies) | (n = 173 studies) | (n = 54 studies) | ||||
Mean | SD | Mean | SD | Mean | SD | |
Moisture | 23.5 | 29.6 | 7.1 | 1.3 | 76.3 | 2.2 |
Protein | 27.2 | 10.4 | 32.8 | 3.4 | 9.5 | 1.2 |
Fat | 15.3 | 6.7 | 18.4 | 4.2 | 5.3 | 1.6 |
Ash | 4.7 | 3.2 | 5.7 | 3.1 | 1.7 | 1.0 |
Crude Fiber | 3.0 | 2.7 | 3.6 | 2.8 | 1.2 | 1.0 |
Gross Energy, kcal/kg | 4139 | 1617 | 5028 | 299 | 1292 | 175 |
All analytical values are expressed as percentage of food as fed, unless otherwise indicated.
Food composition of the experimental foods was determined by a commercial laboratory (Eurofins Scientific, Inc., Des Moines, IA) using AOAC methods.