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Published online by Cambridge University Press: 20 November 2017
A common method of housing newly weaned pigs from outdoor systems involves very large groups in straw-bedded pens. Concerns regarding pig welfare on these systems have been expressed in relation to excessive group size, the risk of hypothermia (no supplementary heating), disease challenge and the competition to which smaller piglets are subjected. Accordingly, indices of welfare (health, mortality, behaviour, growth rate and feed efficiency) were monitored in 2 large groups of newly weaned pigs.