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Baltazard等氏于1963年在伊朗动物鼠疫强烈流行一年后的地区从鼠穴内的土壤中分离出鼠疫菌。而后来也有一些学者在另外一些疫源地内,甚至在不久前动物鼠疫强烈流行的地区调查被患病动物污染的鼠巢土壤,没有分离出鼠疫菌。根据以上两种不同研究结果,为了进一步证实鼠巢土壤存在鼠疫菌的情况和在不同条件下鼠疫菌的变异,我们进行了鼠巢底土的检菌工作。
In 1963, Baltazard et al. Isolated Yersinia Pestis from the soil in the pachyloma a year after the intense epidemic of the animal plague in Iran. Later, some scholars did not isolate Yersinia pestis in some other foci of China and even in the area where the animal plague was noticed recently in the area where the infected animals were contaminated. Based on the above two different findings, in order to further confirm the presence of plague bacteria in the rat nest soil and the variation of Yersinia pestis in different conditions, we carried out the bacteriostasis of the subsoil of the mouse nest.