Plants collected on the plots of land formerly irrigated with sewage water from a swine breeding complex (in sewage and the soil Yersinia had been earlier detected) were studied. In 4.9% of plant samples Yersinia were detected (Y. enterocolitica and Y. intermedia). The isolated strains were biochemically and serologically identical to those detected in sewage and the soil. No Yersinia were detected in washings from the surface of these plants, as well as in the study of control plants. These facts led to the conclusion that Yersinia were present in plant tissues.
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