Farm Animal Welfare

Farm Animal Genetic Diversity and Heritage Breed Welfare

Commercial livestock breeding has narrowed genetic diversity, with heritage breeds offering welfare advantages in specific contexts.

Key Facts

The global pig population is dominated by three commercial breeds - Large White, Landrace and Duroc
Rare breeds often show greater disease resistance, maternal ability and environmental adaptation
Rare Breed Survival Trust maintains gene banks for endangered UK livestock breeds
Native breeds may perform better in extensive systems but often grow more slowly
Genetic bottlenecks increase inbreeding depression and reduce adaptive capacity to new diseases

Welfare Considerations

Genetic diversity in livestock is both a welfare and resilience issue. Breeds selected purely for production often carry welfare-compromising traits - respiratory problems in heavy pigs, leg issues in fast-growing broilers, metabolic disease in high-yielding dairy cows. Heritage breeds are not automatically higher welfare, but genetic diversity underpins long-term adaptation.

What You Can Do

Support rare and heritage breed conservation through purchase of their products
Donate to rare breed gene bank programmes
Advocate for public funding of heritage breed preservation as a genetic resource
Choose food from farms that include heritage breeds in their production