Fig. 2From: Selection for social genetic effects in purebred pigs improves behaviour and handling of their crossbred progenyRelationship between ear lesions and mean social breeding value per group (pen). One day after the pigs entered the finisher unit, effect of the mean social breeding value (SBV) in the groups on (1) the mean number of pigs within the group afflicted with ear lesions, and (2) the mean number of ear lesions per pig within the groupBack to article page