Skip to main content

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
  1. *Significant differences