Livestock Heat Stress Management

As global temperatures rise, heat stress in livestock is becoming an increasingly serious welfare and productivity challenge requiring proactive management strategies.

Key Facts

Dairy cows begin experiencing heat stress at temperatures above 25 degrees Celsius combined with high humidity
Heat-stressed cattle show reduced feed intake, increased water consumption, and elevated respiration rates
Pregnant sows are particularly vulnerable - heat stress impairs embryo survival and milk production
Shade, ventilation, sprinklers, and cooling fans are the primary management tools for livestock heat stress
Climate projections suggest heat stress events will become more frequent and severe in UK summers

Welfare Considerations

Heat stress causes acute suffering including panting, lethargy, and hyperthermia in affected animals. Chronic low-grade heat stress during warm UK summers reduces production, compromises immunity, and impairs reproduction with cumulative welfare impacts. Dairy cows - which generate substantial metabolic heat from milk production - are particularly vulnerable. Housing design incorporating adequate ventilation, cooling systems, and access to shade are cost-effective welfare investments. The welfare case for cooling infrastructure is strengthened by productivity benefits, making heat stress management both ethically and economically justified.

What You Can Do

Support farm assurance schemes requiring shade, water, and cooling provision during hot weather
Advocate for UK government guidance updating heat stress thresholds for livestock housing standards
Buy dairy and beef from farms with documented summer welfare management protocols
Support research into climate adaptation strategies for livestock housing in warming climates
Raise awareness about heat stress as a growing welfare challenge for UK farm animals