Intervention with insecticide killing flea in the plague nature foci of 10 years in Leizhou island

Objective To discuss Leizhou peninsula plague focus of 10 years(1999-2009),the effect of using flea killing method in preventing and controlling plague.Methods Based on the results of monitor on ground free flea in annual March in Lianjiang,Suixi and Leizhou 10 key villages and towns,rodent flea index,density of rodent and implementation of flea each year were carried out in the selected township,related natural villages and households.The effect of killing flea was investigated through counted rodents' parasitic flea and ground free flea killing ratios contrast between before and after the application. Results The average killing effect of rat body flea was 47.85%,free flea was 76.67%. Conclusion Killing fleas on rodent is less effective,effect on ground free flea is better,while the rural comprehensive management of indoor and outdoor sanitation is also important.