天津市餐饮业蟑螂侵害状况调查

Survey of infestation of cockroaches in food and beverage industries in Tianjin

目的调查天津市餐饮业蟑螂侵害状况,为餐饮业蟑螂防治提供依据。方法分别于2009年4,8,10月三次在全市每区县随机抽取的10家餐馆采用粘捕法进行蟑螂侵害调查。结果全市18区县共调查180家餐饮业,平均密度为3.57,三次调查的侵害分别为46.1%,45.0%,40.56%,统计学无显著意义(P=0.526);监测中捕获均为德国小蠊,为餐饮业的优势种群;农村与城市侵害比较无显著性差异(P=0.466);餐馆不同部位的侵害不同,操作间侵害最严重。结论天津市餐饮业蟑螂侵害状况较严重,应采取有效的防治措施,防治中应注重重点部位的防治,以提高防治效果。

Objective To survey the infestation of cockroaches in food and beverage industries in Tianjin.Methods The infestation status of cockroaches was surveyed by choosing 10 eating houses selected from each district and counties of Tianjin in April,august and October,respectived.Results Totally 180 eating houses were surveyed and the average density of cockroasch was 3.57%,The infestation rates of cockroach surveyed in April,August and October were 46.1%,45.0% and 40.56% without significant difference（P0.05）.Blattella germanica was the predominat species.Conclusion Infestation rate of cockroaches in food and beverage industries in Tianjin is serious and effective measures be adopted to control the infestation of cockroach in Tianjin..