A case of bovine congenital erythropoietic porphyria in a 9-month-old Holstein female, from Machado, Minas Gerais, Brazil is described. The calf showed chronic cutaneous photosensitization, limited to white-haired areas, when exposed to sun-light. Reddish-brown discoloration of bones and brownish-pink discoloration of teeth, caused by deposition of porphyrin, were observed.
congenital erythropoietic porphyria; bovine; porphyrin
