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Principal component analysis loadings of behavioural activities performed by horses belonging to HCG and HFG.
| PC1 (40.29%) | PC2 (20.67%) | |
|---|---|---|
| Feeding | −39% | −25% |
| Standing | 30% | 42% |
| Lying | 26% | −40% |
| Locomotion | 28% | 41% |
| Playing | 32% | 15% |
| Drinking | −23% | 40% |
| Mutual Grooming | −7% | 1% |
| Self-grooming | 29% | −23% |
| Stereotypic behaviour | 36% | 4% |
| Sexual behaviour | −15% | −20% |
| Biting | 26% | −34% |
| Snaking | −33% | 16% |
| Kicking | 19% | −12% |
