[A case of cutaneous actinomycosis (streptothricosis) in cattle, caused by dermatophilus congolensis (author's transl)].

A skin condition in cattle, associated with crusted lesions on the back, flanks, neck, head and skin of the udder was found to be cutaneous actinomycosis (streptothricosis) caused by D. congolensis, which is common in tropical regions during the rainy season. This actinomycete was isolated for the first time from cattle in the Netherlands in the case reported. Data culled from the literature as well as the diagnosis and treatment of the patient are discussed.