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Leptospirosis is a zoonosis of worldwide distribution due to infection with pathogenic bacteria of the genus Leptospira, which occurs mainly by direct contact with the urine ENCICLOPÉDIA BIOSFERA, Centro Científico Conhecer Goiânia, v.15 n.27; p. 2018 108 of infected animals. The bovine species is considered responsible for the maintenance of the serovar Hardjo, which may be associated with persistent infection of the reproductive tract, abortion and infertility. The objective of the study is to report the occurrence of five abortions and the birth of two weak calves in a batch of forty cows due to infection with Leptospira spp. in a rural property, located in the district of Trindade. Blood samples were collected for serological tests for leptospirosis, toxoplasmosis, neosporosis, bovine viral diarrhea, infectious bovine rhinotracheitis and brucellosis, in order to investigate the cause of abortions and other reproductive problems observed on the farm. Of the eight animals evaluated, four presented titration against the Pomona, Hardjo and Icterohaemorrhagiae serovars by microscopic serum agglutination analysis for the diagnosis of leptospirosis, six had antibodies against bovine herpesvirus type 1 and three animals were reactive to the parasite Neospora caninum. None of the animals were positive for bovine viral diarrhea, brucellosis and toxoplasmosis. Associated with the observation of risk factors, epidemiological data and management techniques, the results of the laboratory tests led to the diagnostic conclusion of leptospirosis, and the possibility of the concomitant occurrence of other diseases of reproductive importance in the bovine species was not ruled out.

LEPTOSPIROSE EM PROPRIEDADE RURAL COM HISTÓRICO DE ABORTO EM VACAS LEITEIRAS NO MUNICÍPIO DE TRINDADE, ESTADO DE GOIÁS –RELATO DE CASO