Research into cattle enrichment has produced evidence-based recommendations about what types of stimulation genuinely improve welfare outcomes in different housing systems.
Cattle enrichment research has matured to the point where evidence-based recommendations can be made with confidence. Automatic scratching brushes are consistently shown to be used extensively and to produce measurable welfare improvements through enabling natural self-grooming behaviour. Pasture access transforms welfare across multiple indicators simultaneously. Calf enrichment programmes that support play behaviour have downstream benefits including improved growth rates and reduced disease susceptibility. Less-supported interventions — like music or static novel objects — show diminishing returns over time. The evidence base is sufficient to justify enrichment mandates in cattle welfare legislation, with the caveat that enrichment design should follow research rather than intuition.