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Duration of Viability and the Growth and Expiration Rates of Group E Streptococci in Soil

机译：土壤中E族链球菌的生存力持续时间及生长和终止速率

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摘要

In irradiated and nonirradiated feedlot and pasture soils inoculated with group E streptococci, the organism was not recovered 17 days postinoculation from either the irradiated or nonirradiated feedlot soils incubated at 37 C, but survived in the irradiated pasture soils for 24 and 31 days postinoculation. The streptococci survived in irradiated and nonirradiated soils incubated at 4 C for 116 days and in one irradiated feedlot soil for 165 days. The population of streptococci did not increase in either irradiated or nonirradiated soil, and the expiration rate was greater in the soils incubated at 37 and 25 C than at 4 C. With the relatively prolonged duration of viability of group E streptococci in soil at 4 C, it is suggested that soil contaminated with exudate from draining abscesses of infected swine could act as a source of infection during the colder season.
机译：在接种E组链球菌的辐照和未辐照的饲育场和牧场土壤中，接种后17天未从37℃下孵育的辐照或未辐照的饲育场土壤中恢复到有机体，但在辐照后的牧场土壤中存活了24天和31天。链球菌在辐照和未辐照的土壤中在4 C下孵育116天，在一只辐照的饲养场土壤中存活165天。无论在辐照还是未辐照的土壤中，链球菌的数量均未增加，并且在37和25 C孵育的土壤中，呼气速率大于4C。在4 C，E组链球菌在土壤中存活的时间相对延长，这表明在寒冷季节，由于排泄感染猪的脓肿而被渗出液污染的土壤可能成为感染源。

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