Table 4 Parameters (behaviours) analysed during the strange person test (total of 120 s): comparison between the test results after the Play sessions and after the Control sessions
From: The provision of toys to pigs can improve the human-animal relationship
Parameter | Session | N | Mean | Std Dev | Median | Minimum | Maximum | P-value |
|---|---|---|---|---|---|---|---|---|
Latency to approach the person (sec) | Play | 16 | 4.9 | 5.0 | 3.5 | 1.5 | 19.0 | < 0.0001* |
Control | 16 | 40.9 | 43.1 | 26.5 | 2.0 | 120.0 | ||
Duration for which the pig was distant from the person (sec) | Play | 16 | 4.5 | 6.4 | 1.3 | 0.0 | 23.5 | < 0.0001* |
Control | 16 | 43.4 | 43.5 | 31.8 | 1.5 | 120.0 | ||
Direct contact duration (sec) | Play | 16 | 85.8 | 24.9 | 91.75 | 17.0 | 116.0 | 0.002* |
Control | 16 | 55.8 | 38.0 | 64.0 | 0.00 | 111.0 | ||
Need to separate the pig (frequency) | Play | 16 | 6.1 | 5.2 | 3.8 | 1.0 | 16.0 | 0.005* |
Control | 16 | 1.6 | 1.7 | 1.5 | 0.0 | 6.0 | ||
Tail movement duration (sec) | Play | 16 | 92.8 | 26.8 | 104.5 | 28.5 | 119.5 | 0.003* |
Control | 16 | 60.0 | 34.1 | 61.0 | 0.0 | 114.0 |