Farm Animals

Pig Faecal Slurry Management Welfare

Slurry management from pig units affects both environmental outcomes and pig welfare, with high ammonia from poorly managed slurry causing respiratory disease and eye irritation in housed pigs.

Key Facts

Ammonia concentrations above 10ppm cause respiratory irritation and eye damage in pigs
Slurry stored below slatted floors releases ammonia continuously into pig breathing zones
Slurry additives and deep pit ventilation reduce ammonia concentrations significantly
Regular slurry removal reduces cumulative ammonia build-up in pig housing
Air scrubbers reduce ammonia emissions but require maintenance and energy investment

Welfare Considerations

High ammonia from slurry causes chronic respiratory disease and eye problems. Slurry management improvements protect both pig welfare and environmental quality simultaneously.

What You Can Do

Monitor ammonia levels in pig housing as a welfare indicator
Implement slurry management practices reducing ammonia release to pig breathing zone
Support technology adoption reducing ammonia emissions from pig housing
Raise awareness of ammonia as a major pig welfare and environmental variable