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目的初步调查湖南省长沙市岳麓地区不同乡镇大肠埃希菌O157:H7宿主动物带菌情况,为制定防治措施提供科学依据。方法于2010年11月采集长沙市岳麓区境内散养的鸡、鸭、猪、牛等家畜家禽粪便标本33份,按国标常规培养法检测大肠埃希菌O157:H7,并对数据进行统计分析。结果 33份标本中共检出阳性标本4份,总阳性率为12.1%(4/33),其中散养的鸡的粪便中大肠埃希菌O157:H7阳性检出率为13.6%(3/22);在4份散养的鸭子粪便中,检出1份阳性。结论长沙市岳麓地区已存在大肠埃希菌O157:H7感染,应引起足够重视。
Objective To investigate the host bacteria carrying Escherichia coli O157: H7 in different towns and villages in Yuelu, Changsha, Hunan Province, and to provide a scientific basis for making prevention and control measures. Methods Totally 33 feces specimens of domesticated poultry from chickens, ducks, pigs and cattle were collected from Yuelu District of Changsha City in November, 2010, and Escherichia coli O157: H7 was tested according to the national standard culture method. The data were statistically analyzed . Results A total of 4 positive samples were detected in 33 specimens, with a total positive rate of 12.1% (4/33). The positive rate of Escherichia coli O157: H7 in free-range chicken was 13.6% (3/22 ). Of the 4 free-range duck feces, 1 was positive. Conclusion There is Escherichia coli O157: H7 infection in Yuelu area of Changsha City, which should be paid enough attention.