Figure 6From: Aggression and cortisol levels in three different group housing routines for lactating sows Scratch score (mean ± S.D) in management routine W1, W2 and W3. Scratch score: 0 = none; 0 > 3 = mild; 3 > 5 = moderate; ≥5 = multiple. Bars with different letters are significantly different (P < 0.05).Back to article page