yersinia enterocolitica o9 as a possible barrier against y. pestis in natural plague foci in ningxia, china.a survey of yersinia spp, as related to plague control, was made in haiyuan of ganning loess plateau plague focus, yanchi of inner mongolia plateau plague focus, and yinchuan city, as a control area, in ningxia, china. in haiyuan, where the main plague reservoir was mongolian ground squirrel (citellus alaschanicus) living in the prairie, y. enterocolitica o9 was frequently isolated from pigs, dogs, rodents living in and around houses, but only rarely from hare and mongolian ground squirrel. in y ...200111116388
yersiniosis in sheep due to yersinia outbreak of acute yersiniosis occurred amongst sheep transported from inner mongolia to hunan province in southern china. morbidity was 41% and mortality of affected sheep was 34%. eleven apparently identical isolates of yersinia enterocolitica were obtained from liver, lung and skin lesions of affected sheep and all were biotype 3. isolates could not be serotyped with available antisera. lesions were observed in the skin, intestine, liver and lungs. the causative bacterium is apparently diff ...19947953581
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