| [comparative evaluation of the indirect enzyme-linked immunosorbant assay in milk for the detection of cattle infected with brucella abortus, in herds located in the province of cundinamarca, colombia]. | to perform a comparative evaluation of the indirect enzyme-linked immunosorbent assay (ielisa) in milk, for the detection of brucella abortus in cattle, 1,523 milk samples were taken from individual animals and bulk milk belonging to 200 herds in the province of cundinamarca, colombia. all these herds were part of the official programme of monitoring free herds and determining herd prevalence in the province. the samples were submitted simultaneously to the milk ring test and the ielisa. a total ... | 2003 | 15005563 |