Herd Papers
⚠️ Not veterinary advice. This guide is for education on minor issues only. If you are unsure, or your animal is in pain, call your veterinarian. In an emergency, call immediately.

Scratches / mud fever in horses and donkeys

Should I call the vet?

Typical signs: Scabby, crusty skin on back of pasterns, sometimes swollen.

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Call your vet now if you see

What you can do

  1. Clip hair; wash with chlorhexidine; dry completely.
  2. Keep legs dry; avoid mud.
  3. Thin barrier cream once clean and dry.

When to call the vet

If swollen, lame, or not improving in 1–2 weeks.

Normal adult vital signs (at rest)

Horse

VitalNormalConcerning
Temperature99.0–101.5 °FOver 102 °F or under 98 °F
Heart rate28–44 /minOver 60 at rest
Respiration10–24 /minOver 30 or labored
Gums / CRTMoist pink, refill < 2 sPale, white, dark red, purple, tacky
Gut soundsGurgles both sidesSilent
HydrationSkin pinch back in 1–2 sTents > 2–3 s

Donkey

VitalNormalConcerning
Temperature98.0–100.5 °F (37–38 °C)Over 101.5 °F
Heart rate36–68 /minOver 70 at rest
Respiration12–28 /minOver 30 or labored
Gums / CRTMoist pink, refill < 2 sPale, dark, tacky
Gut soundsPresent both sidesSilent
BehaviorAlert, eatingDull or not eating = urgent (hyperlipemia risk)

Young animals differ. Learn each animal's healthy baseline and record it.

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