Holstein heifer with generalized lymphadenopathy and enlargement of the intermandibular, parotid, retropharyngeal, prescapular, and precrural lymph nodes. Upon palpation, they were smooth, mobile relative to the skin and subcutaneous tissue, and slightly painful. The animal showed an anxious expression, poor appetite, weight loss, anemia, and mild hyperthermia. Grave prognosis; euthanasia was performed, and the carcass was sent for disposal.
In addition to the juvenile form, SBL can present two other clinical manifestations: the cutaneous form and the thymic form.
