These negative effects can be exacerbated if temperature
reaches 35 1C (Lewis et al., 2003). Temperature is a crucial
factor governing the amount of stress an animal experiences
during transport (Lambooij, 1988). The application of
acute cold and heat stress showed that piglets altered
activity and resting times during attempts to cope with
these stressors (Hicks et al., 1998). The European Food
Safety Authority recommends a comfort zone of between
20 1C and 30 1C for piglets weighing less than 10 kg, and
between 14 1C to 32 1C for pigs up to 30 kg live weight