| serologic survey for leptospirae in european brown bears (ursus arctos) in croatia. | from 1981 to 1991, sera of 42 european brown bears (ursus arctos) from three areas in croatia were tested for antibodies against 12 leptospira interrogans serovars: grippotyphosa, sejroe, australis, pomona, canicola, icterohaemorrhagiae, tarassovi, saxkoebing, ballum, bataviae, poi, and hardjo. diagnostic levels of antibody were found in 17 (40%) of 42 sera. evidence of exposure to at least one of the serovars was found in seven of 14 free-ranging bears from the lika region, four of 12 free-rang ... | 1993 | 8258865 |