Table 2. Mean ± SE time and frequency of ingestive and kinetic behavior of muscovy duck in relation to the housing system.
| Behavioral patterns | Litter | Cage | Sig. |
|---|---|---|---|
| Feeding time (sec/h) | 415.1 ± 54.8 | 580.7 ± 45.8 | * |
| Feeding frequency/h | 7.3 ± 0.93 | 6.4 ± 0.75 | N.S |
| Water-related preening time (sec/h) | 376.1 ± 58.9 | 821.9 ± 86.03 | ** |
| Water-related preening frequency/h | 9.65 ± 1.26 | 13.85 ± 1.4 | ** |
| Foraging and pecking in objects time (sec/h) | 80.5 ± 18.12 | 5.8 ± 2.2 | ** |
| Foraging frequency/h | 3.275 ± 0.29 | 0.45 ± 0.29 | ** |
| Standing time (sec/h) | 281.35 ± 25.71 | 290.88 ± 99.71 | NS |
| Standing frequency/h | 10.60 ± 0.95 | 7.70 ± 1.36 | * |
| Walking time (sec/h) | 93.70 ± 14.0 | 42.0 ± 21.21 | * |
| Walking frequency/h | 16.83 ± 2.14 | 8.83 ± 1.85 | ** |
N.S = non-significant,
*
Significance difference at level p ≤ 0.05,
**
Highly significant difference at level p ≤ 0.01.