Companion Animals

Companion Horse Mud Fever Prevention

Prevention and management of equine pastern dermatitis (mud fever) and welfare of affected horses.

Key Facts

Mud fever is caused by Dermatophilus congolensis bacteria in wet, muddy conditions
White-legged horses are most susceptible due to lack of protective skin pigmentation
Prevention requires minimising mud exposure and keeping lower legs dry
Clipping lower legs for treatment can paradoxically increase susceptibility
Severe cases cause pain, lameness, and significant welfare deficit

Welfare Considerations

Mud fever causes chronic leg pain and lameness in affected horses, and management of paddock conditions through winter significantly reduces welfare costs.

What You Can Do

Provide well-drained areas and minimal mud exposure for horses in winter
Apply barrier creams to lower legs before turnout in muddy conditions
Seek veterinary treatment promptly for mud fever that does not resolve with management