Social status and previous experience in the group as predictors of welfare of sows housed in large semi-static groups
Mixing gestating sows implies hierarchy formation and has detrimental consequences on
welfare. The effects of social stress on the most vulnerable individuals may be underestimated and it is therefore important to evaluate welfare between individuals within groups.
This study aimed at investigating the impact of social status and previous experience in the
group on well-being of sows housed in large semi-static groups. We assessed aggression
(d0 (mixing), d2, d27, d29), body lesions (d1, ...