Identifying physiological measures of lifetime welfare status in pigs: exploring the usefulness of haptoglobin, C- reactive protein and hair cortisol sampled at the time of slaughter

Table 4 Descriptor loadings within the two identified principal components (PC)

Descriptor	PC1	PC2
Happy	.966	.088
Content	.961	.065
Positively occupied	.926	- .006
Relaxed	.851	−.071
Playful	.914	.115
Frustrated	−.805	.278
Irritable	−.857	.252
Agitated	−.861	.156
Aggressive	−.156	.900
Listless	−.659	−.421

Factor loadings over 0.3 are highlighted and were used to interpret the structure of each component

ISSN: 2046-0481