With the aim of search the prevalence of anti-leptospiral antibodies, 426 sera samples were collected from dairy cattle in the microregion of Goiânia-GO, Brazil. Some questions were made about epidemiological and sanitary conditions characteristics of the farms to help us to understand the behavior of leptospirosis in this region. The prevalence was 81.90% and the serovars more involved were: wolffi (36.10%), icterohaemorrhagiae (20.50%), hardjo (5.20%) and tarassovi (4.90%). There were pigs and rats in the farms, but they did'nt interfer on positive animals number. This afirmative is also correct to artificial insemination and water supplying. The bovine leptospirosis had enzootic characteristics in this region.
bovine leptospirosis; prevalence; epidemilogy; dairy cattle
