Table 6 Active and illustrative variables used to calculate the Principal Component analysis (PCA).
From: An on-farm investigation of beef suckler herds using an animal welfare index (AWI)
Active variables | Minimum score | Maximum score |
|---|---|---|
Space allowance | 0 | 2 |
Injurious protrusions | -0.5 | 0 |
Ease of locomotion | 0 | 1 |
Grazing time | 2.5 | 2.5 |
Age/group mixing | -0.5 | 1.5 |
Calving method | -0.5 | 1 |
Weaning method | -0.5 | 2 |
Type of floor | -0.5 | 2.5 |
Cleanliness of floor | 0 | 1 |
Cleanliness of yard | 0 | 1 |
Grassland | 0.5 | 1 |
Natural light | 0.5 | 2 |
Artificial light | -0.5 | 1.5 |
Side openings | 0 | 1 |
Draughts | -0.5 | 1 |
Condensation | 0.5 | 1 |
Noise | 0.5 | 1 |
Water cleanliness | 0 | 1 |
Water trough (cleanliness) outdoors | 0.5 | 1 |
Feed cleanliness | 0.5 | 1 |
Equipment | -0.5 | 1 |
Cleanliness of animals | -0.5 | 1 |
1Lameness | -0.5 | 1 |
Health | -0.5 | 1 |
Background | 0 | 1 |
Interest of the Stockperson | 0 | 1 |
Illustrative variables | ||
Number of animals | 15 | 1000 |
Total score | 17 | 36.5 |