Farm Animals

Pig Hot Climate Welfare Management

Heat stress in pigs causes significant welfare and production losses. Management strategies specific to warm climates reduce suffering and improve outcomes.

Key Facts

Pigs cannot sweat effectively and are highly susceptible to heat stress
Upper critical temperature for pigs is approximately 25 degrees C
Heat stress causes reduced feed intake, reproductive failure, and sometimes death
Shade, water wallows, and sprinkler systems significantly reduce heat load
Wallowing in mud cools pigs through evaporation and solar radiation reflection

Welfare Considerations

Heat stress causes acute and chronic suffering in pigs in warm environments. Animals experiencing severe heat stress can die, while chronic mild heat stress impairs welfare through reduced appetite and reproductive dysfunction. Hot climate management systems that provide shade, wallowing, and cooling opportunities are essential welfare requirements.

What You Can Do

Support welfare standards requiring heat mitigation in pig production systems
Choose pork from producers with documented heat stress management
Advocate for heat stress provisions in hot country pig welfare regulations