Companion Animal Welfare

Horse Mud Fever Prevention and Treatment

Mud fever, caused by Dermatophilus congolensis bacteria in wet conditions, causes painful skin lesions on horse legs and is a common winter welfare problem.

Key Facts

Mud fever thrives in wet, muddy conditions causing painful scabbing on horse pasterns
White-legged horses are significantly more susceptible due to less protective skin pigment
Prevention through dry standing areas and leg protection is more effective than treatment
Removal of scabs during treatment causes significant pain and is sometimes counterproductive
Resistant cases may involve secondary fungal infection requiring antifungal treatment

Welfare Considerations

Mud fever causes painful skin lesions that can become severe enough to cause lameness. Prevention through management changes and appropriate housing is far preferable to treatment, making field management and hygiene protocols key welfare interventions in wet conditions.

What You Can Do

Provide horses with access to dry standing areas during wet weather
Use barrier products prophylactically on susceptible white-legged horses in winter
Seek veterinary advice for severe or persistent cases rather than treating at home