Table 2.
Food intake, fecal characteristics, and total-tract apparent macronutrient and energy digestibility of dogs fed extruded, mildly cooked, and raw foods
| Item | Treatment | |||
|---|---|---|---|---|
| Extruded | Grain-free roasted refrigerated | Raw | Roasted refrigerated | |
| Food intake | ||||
| g food/d (as-is) | 176.3 ± 26.98c | 342.0 ± 26.98b | 391.3 ± 26.98ab | 426.0 ± 28.30a |
| g DM/d | 164.5 ± 14.20ab | 132.1 ± 14.20b | 185.0 ± 14.20a | 179.7 ± 14.90a |
| g OM/d | 152.1 ± 12.99ab | 117.0 ± 12.99b | 172.5 ± 12.99a | 160.8 ± 13.60a |
| g CP/d | 39.6 ± 4.09c | 60.4 ± 4.09a | 46.5 ± 4.09bc | 55.8 ± 4.28ab |
| g fat/d | 21.9 ± 3.55c | 40.0 ± 3.55b | 62.7 ± 3.55a | 49.9 ± 3.73b |
| kcal/d | 806.9 ± 79.63b | 794.5 ± 79.63b | 1202.7 ± 79.63a | 1015.7 ± 83.46ab |
| Fecal output | ||||
| Fecal output, as-is (g/d) | 84.3 ± 11.83ab | 52.3 ± 11.83b | 101.6 ± 11.83a | 77.6 ± 12.62ab |
| Fecal output, DM (g/d) | 29.4 ± 3.54 | 19.9 ± 3.54 | 29.6 ± 3.54 | 28.8 ± 3.76 |
| As-is fecal output (g/d)/DMI (g/d) | 0.48 ± 0.04 | 0.39 ± 0.04 | 0.55 ± 0.04 | 0.44 ± 0.05 |
| Nutrient and energy digestibility | ||||
| DM (%) | 82.6 ± 1.52 | 85.1 ± 1.52 | 83.6 ± 1.52 | 84.1 ± 1.63 |
| OM (%) | 87.8 ± 1.21 | 89.9 ± 1.21 | 86.2 ± 1.21 | 89.1 ± 1.29 |
| CP (%) | 85.1 ± 1.02c | 94.6 ± 1.02a | 88.3 ± 1.02bc | 92.0 ± 1.09ab |
| Fat (%) | 92.1 ± 0.38c | 97.2 ± 0.38ab | 97.5 ± 0.38a | 95.8 ± 0.41b |
| Energy (%) | 87.4 ± 0.93b | 92.7 ± 0.93a | 90.8 ± 0.93ab | 90.7 ± 1.00ab |
a–cMeans in the same row without common superscript letters differ (P < 0.05).