Table 5.
Effects of social status enrichment treatment and day on focal sow postures observed in photo scans. LS Means of duration (proportion of observations) and number of sows (proportion of sows) in each posture.
| Behaviour * | Social Status ** | p-Value | ||||
|---|---|---|---|---|---|---|
| Dom | Sub | SEM | SS | Treat. | Day | |
| Standing | ||||||
| Time (prop. of obs.) | 0.771 a | 0.824 b | 0.022 | 0.002 | 0.178 | 0.728 |
| No. of sows (prop.) | 0.561 a | 0.585 b | 0.013 | 0.007 | 0.023 | 0.407 |
| Sitting | ||||||
| Time (prop. of obs.) | 0.055 | 0.059 | 0.004 | 0.619 | 0.299 | 0.977 |
| No. of sows (prop.) | 0.342 | 0.334 | 0.041 | 0.233 | 0.674 | 0.348 |
| Lying | ||||||
| Time (prop. of obs.) | 0.489 | 0.512 | 0.040 | 0.409 | 0.003 | 0.522 |
| No. of sows (prop.) | 0.447 | 0.437 | 0.015 | 0.440 | 0.002 | 0.899 |
ab LS Means with a different superscript within the same row are significantly different (p < 0.05). * Sows were observed during an 8 h period (08:00–16:00 h) on four days (1, 8, 10 and 12) using time lapse photos of 10 min intervals. ** Social Status LS Means: Dom = Dominant; Sub = Subordinate.