Table 4.
Summary of the minutes per day spent (±standard deviation) on the recorded behaviours of individually and pair-housed calves.
| Behaviour | Individually Housed Calf (min) | Pair-Housed Calf (min) | ||
|---|---|---|---|---|
| 1 Week Old | 5 Weeks Old | 1 Week Old | 5 Weeks Old | |
| Calf with head out of the front of the pen | 44 ± 26 | 63 ± 15 | 24 ± 14 | 41 ± 13 |
| Self-grooming | 28 ± 17 | 38 ± 15 | 11 ± 8 | 26 ± 11 |
| Total NNOB | 31 ± 13 | 48 ± 12 | 34 ± 23 | 51 ± 17 |
| NNOB on inanimate object | 31 ± 13 | 48 ± 12 | 14 ± 11 | 29 ± 14 |
| NNOB on paired calf on ventral region | NA | NA | 9 ± 9 | 8 ± 5 |
| NNOB on paired calf on body part other than in the ventral region | NA | NA | 11 ± 15 | 13 ± 8 |
NNOB, non-nutritive oral behaviour; NA, not applicable.