Agradezco a Dios, a mis Padres y a todas1as personas que permitieron realizar este trabajo. This study purpose was the seroprevalence determination of Brucella sp.in Goats from Huarochiri , Lima. There have been recollected 384 blood samples from female, goats with more than 6 months of age, without vaccination, since July up to december 2002, in the districts of San Mateo, Matucana, Surco, San Bartolomé, Huarochirí, Mariatana, Tupicocha, Santo Domingo de Olleros, Langa and Antioquia; for the Antibodies detection, using the Rosa de Bengala Technique. There was found that the 100% of animais were negative to the test. This study result proves a 0% seroprevalence.