Space allowance per animal in feedlot systems affects cattle welfare through access to resources, aggression, heat stress and ability to express normal behaviours.
Space allowance directly affects the ability of feedlot cattle to express normal behaviour including synchronised activity, access to feed and water, and thermal comfort. Overcrowding creates a cascade of welfare problems from increased aggression through reduced lying time to heat stress. The commercial pressure to maximise animals per pen must be balanced against welfare standards that recognise cattle as social animals with synchronised behavioural needs. Adequate space allowance is not a luxury but a requirement for acceptable welfare.