Transport of livestock in high temperatures causes heat stress, dehydration, and mortality, with legal requirements often poorly enforced.
Animals in poorly ventilated transport vehicles experience temperatures 10-15°C above ambient during summer. Combined with physical stress, unfamiliar environments, and dehydration, heat can cause rapid deterioration. Pigs and poultry are particularly vulnerable, with poultry mortality in summer transport reaching 0.5-2% per journey.