Epizootic Lymphangitis: A contagious and eruptive disease caused by Histoplasma farciminosum formerly called Cryptococcus farciminosum. Animals affected: Horses and mules. Cattle are susceptible, but seldom contract the disease under natural conditions.

Ulcerative lymphangitis is a mildly contagious disease of horses characterised by inflammation of the lymphatic vessels of the lower limbs. Classical disease is caused by Corynebacterium pseudotuberculosis, but similar lesions can be produced by other pyogenic bacteria.