mud fever

Main Entry: mud fever
Function: noun
1 : a chapped inflamed condition of the skin of the legs and belly of a horse due to irritation from mud or drying resultingfrom washing off mud spatters and closely related or identical in nature to grease heel
2 : BLUE COMB
3 : a mild leptospirosis that occurs chiefly in European agricultural and other workers in wet soil, is caused by infection with a spirochete of the genus Leptospira (L.grippotyphosa) present in native field mice, and is marked by fever and headache without accompanying jaundice