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本次对锡林浩特草原地区的健康人群、家畜及野生动物的血清学调查，发现该地区健康人群中有钩端螺旋体抗体阳性血清，阳性率为５．１４％，并分布于４个血清群即黄疸出血群、犬群、致热群和秋季热群，黄疸出血群占阳性总数的５５．５％。家畜（羊）的抗体阳性率为１７．３９％，有５个血清群即黄疸出血群、犬群、致热群、秋季热群和七日热群，秋季热群占阳性总数的５０．０％。鼠类的抗体阳性率为８．８％，其菌群均为黄疸出血群。证实我区草原地区健康人群中同样有钩体病的既往感染或隐性感染。家畜（羊）可能为该地区钩体病的传染源，鼠类亦可能为另一重要传染源。
This serological survey of healthy population, livestock and wildlife in the grassland of Xilinhot showed that there was a positive serum of Leptospira antibody in the healthy population in the area, with a positive rate of 5.14%, which was distributed in four serogroups, jaundice Hemorrhagic, canine, pyrogenic and fall heat groups, jaundice hemorrhage accounted for 55.5% of the total positive. The antibody positive rate of domestic animals (sheep) was 17.39%. There were 5 serogroups, ie, jaundice hemorrhage group, dog group, pyrogen group, autumn heat group and seven heat group. The autumn heat group accounted for 50.0% of the total %. The positive rate of murine antibodies was 8.8%, and the flora of the mice were both hemorrhagic jaundice. Confirmed that the same areas of grassland healthy population of Leptospirosis past infection or latent infection. Livestock (sheep) may be the source of infection of leptospirosis in the area, and rodents may also be another important source of infection.