Pig transportation to slaughter is one of the highest-welfare-risk phases of their lives, with mixing of unfamiliar animals, temperature stress, and duration all contributing to suffering.
Pig transport welfare involves acute stressors at multiple stages. Mixing unfamiliar pigs for transport causes aggression - pigs that have not grown together will fight to establish dominance, causing bite wounds and stress. Heat in inadequately ventilated lorries can kill pigs within 30 minutes. Long journey times without water cause dehydration and electrolyte imbalance. Local slaughter systems that reduce journey times to under an hour dramatically reduce these harms. Consumer preference for locally produced pork from shorter supply chains creates market incentives for the infrastructure investment that makes short-haul slaughter commercially viable.