Table 3.
Characteristics of the sample – number and percentage of pens and pigs with each enrichment type reported
| Percentage of pens with the enrichment of interest | Number of pens | Percentage of pigs assessed with the enrichment of interest | Number of pigs | |
|---|---|---|---|---|
| Straw | 44.7 | 50 136 | 60.8 | 3 320 398 |
| Other substrates | 1.41 | 1588 | 2.46 | 134 313 |
| Chain | 24.2 | 27 196 | 16.4 | 894 112 |
| Plastic objects | 33.0 | 37 003 | 21.4 | 1 171 330 |
| Other objects | 8.92 | 10 014 | 7.09 | 387 608 |
| Enrichment non seen 1 | 2.71 | 2058 | 1.73 | 65 613 |
1
Based on 76 002 pens and 3 790 879 pigs from June 2014 to May 2016.