Dairy farming is among the main activities of Brazilian agribusiness, with a fundamental role in the country's economic development. However, ocular carcinoma is a disease that causes this activity. work reports the case of a bovine of the breed of the breed of the ocular region, that in the physical examination, increase of volume with ocular contour. Soon, an enucleation surgery was performed, and collection for histopathological examination, which after thirty days, tested positive for basal squamous carcinoma. Initially, the animal reacted well, however, it showed significant worsening after 90 days. Since the prognosis was unfavorable, euthanasia of the animal was reported to the owner.