During an outbreak of diphtheria or ulcerative stomatitis in young Boergoat kids Fusobacterium necrophorum was consistently isolated under anaerobic cultural conditions from material taken from the edges of the ulcerative lesions from all of the cases examined. Corynebacterium pyogenes, Staphylococcus aureus, Actinobacillus lignieresi, Moraxella spp. and Lactobacillus spp. were also isolated anaerobically and/or aerobically. The typical symptoms and lesions were confirmed to the mouth, tongue and throat regions.