Livestock Transport Heat Stress | Animal Welfare Hub

Animals transported in hot weather without adequate ventilation, water, or rest experience severe heat stress that causes suffering, injury, and death — a persistent welfare problem in global livestock transport.

Key Facts

EU regulations require water access every 24 hours on long journeys — often insufficient in heat
Core body temperature rises of 2-3 degrees Celsius impair immune and organ function in cattle
Heat stress deaths during transport are estimated in the hundreds of thousands annually globally
High-humidity combined with heat is more dangerous than high temperature alone
Sprinkler systems and journey timing adjustments dramatically reduce heat stress mortality

Welfare Considerations

Heat stress in transported livestock causes a cascade of physiological harm: elevated core temperature, respiratory distress, dehydration, and organ damage. Animals packed into vehicles without adequate airflow reach heat stress thresholds quickly in summer conditions. The experience involves panting, weakness, and eventual collapse — a prolonged and distressing process. Journey planning that avoids peak heat hours and ensures adequate ventilation can prevent most heat stress mortalities.

What You Can Do

Support campaigns for stricter livestock transport welfare regulations
Advocate for maximum journey time limits in hot weather conditions
Choose meat products from farms with short, certified-welfare transport chains
Donate to livestock transport welfare monitoring organizations
Raise awareness about the welfare impacts of long-distance livestock transport