Farm Animal Welfare

Cattle Heat Stress Genetic Solutions

Genetic selection for heat tolerance in cattle offers long-term solutions to the increasing welfare burden of heat stress from climate change.

Key Facts

Slick-haired cattle carry a genetic variant conferring heat tolerance through enhanced sweating
Crossbreeding Bos indicus (zebu) with Bos taurus improves heat stress resilience
Estimated breeding values for heat stress resistance are now available in some breeds
Heat-tolerant genetics can reduce production losses while improving welfare outcomes
Climate-adapted genetics will become increasingly important as temperatures rise globally

Welfare Considerations

Genetic solutions to heat stress represent a sustainable welfare intervention that improves animal outcomes across generations. As climate change increases heat stress burden globally, selecting for heat tolerance is both a welfare and a business imperative.

What You Can Do

Support breeding programs developing heat-tolerant genetics for dairy and beef cattle
Advocate for climate adaptation funding that includes genetic approaches to heat stress
Learn about the welfare implications of climate change for livestock globally