内蒙古四子王旗家畜流产与人布鲁杆菌病感染的调查分析

目的调查内蒙古自治区四子王旗家畜流产情况,分析影响家畜流产的可能因素及其对当地牧民布病感染的影响。方法分阶段整群抽样入户问卷调查,对数据进行χ2检验、协方差的秩检验及Wilcoxon秩和检验进行分析。结果羊流产组和无流产组的人布鲁杆菌病感染率差别显著(χ2=5.51,P<0.05)。羊免疫组与未免疫组的羊流产无统计学差异(χ2CMH=0.71,P>0.05)。羊免疫前与免疫后的流产数目无统计学差异(M=17.0,P>0.05)。结论四子王旗羊患布鲁杆菌病引起的流产是该地区人群布病感染的一个重要因素。该地区羊群免疫接种对降低羊群流产效果不显著。

Investigation and analysis of livestock abortion and human brucellosis in Siziwang county of Inner Mongolia

Objective The aims of the study were to investigate situations about livestock abortion in Siziwang county of Inner Mongolia autonomous region,elucidate possible causes of livestock abortion and its effect on local hersman brecella infection.Methods A cross-sectional study was carried out,all samples were surveyed with a questionnaire.The data associated with brucellosis and livestock abortion was analyzed by Wilcoxon rank test and the chi-square test.Results The analysis results indicate there was great difference between sheep abortion group and non-abortion group in human brucellosis infection(χ2=5.51,P<0.05),it showed non-significant differences between immunized flock of sheep or goats and non-immunized flock(χ2CMH=0.71,P>0.05)in the number of abortion.There wasn’t significant differences in the number of abortion after immunization in the same flocks(M=17.0,P>0.05).Conclusions The analysis results indicate livestock abortion was one important factor to local human brucellosis infection,the sheep immunization had no significant effect on the reduction of sheep abortion in Siziwang county.