Parafilariasis, a nematode infestation of cattle, is characterized by focal hemorrhages on the skin and damage to the subcutaneous tissues that resembles bruising. The main impact of this disease is economic. Losses are caused by damage to the hide and trimming of the carcass during meat inspection. In animals with extensive lesions, the entire carcass may be condemned. The cost of controlling the parasite and its vector, together with economic losses in the slaughterhouse, can be significant.