Cattle Mastitis Prevention and Udder Welfare

Mastitis is the most costly and welfare-significant disease in dairy cattle, causing painful udder inflammation that affects millions of cows annually in dairy systems worldwide.

Key Facts

Mastitis affects approximately 25-40% of dairy cows annually in many systems
Clinical mastitis causes pain equivalent to moderate human toothache according to pain scoring studies
Subclinical mastitis causes chronic discomfort without obvious visible signs
High milk production levels are associated with increased mastitis susceptibility
Management factors including milking hygiene and housing significantly affect mastitis rates
Antibiotic treatment is common but antimicrobial resistance is an increasing concern

Welfare Considerations

Dairy cows with mastitis experience painful inflammation of their udders that causes reluctance to be milked, altered gait to protect the affected quarter, and reduced feed intake from systemic illness. Subclinical mastitis, which causes no obvious swelling but significant inflammation, represents a vast reservoir of undetected chronic pain in dairy herds. The high mastitis prevalence reflects the welfare cost of extreme milk production selection and management systems that prioritize output over health.

What You Can Do

Support dairy producers with low mastitis rates as indicators of good welfare management
Advocate for mastitis monitoring and reporting as part of mandatory welfare standards
Choose dairy products from farms with verified low somatic cell counts indicating udder health
Reduce dairy consumption to decrease demand for systems driving extreme production levels
Support research into mastitis prevention that reduces the need for antibiotic treatment