关键词: 城区, 特殊行业, 鼠类侵害

Abstract: ObjectiveTo investigate the encroachment situation and the cause happened by mouse,to provide basis for reducing the mouse density.MethodsAn investingation was carried out on rat density and species with the method of night trapping in special areas including restaurants,no staple food shops,multiple shops,the five metal shops in the city zone of Weifang city,Shandong province.ResultsThe rat density was 2.83%,2.01%,1.51%,1.31% respectively in the four areas,the average density was 1.83%.136 mice were captured,Rattus norvegicus,Mus musculus,Circetulus barabensis,Suncus murinus were 106,24,2,4 respectively,Rattus norvegicus was predominant rat species(77.94%).ConclusionsEncroachment by mouse was seriously in these special areas,it's cause was high rat density,perishing rats was not carried out centralizedly.