乾安县位于吉林省松原地区西部,共辖17个乡(镇、场)156个村,293个自然屯,土地面积3400km~2常住人口26万多,是一个以农为主,农牧结合的县份,全县有羊105404只、牛15552头。据资料记载该县于1956年春在牧羊场大队暴发第一起人问布病,由于当时防治机构不建全,措施不利,以后 Qian’an County is located in the western part of Songyuan District of Jilin Province and has jurisdiction over 156 villages of 17 townships (towns and farms) and 293 natural villages with a land area of ​​3400km2 and a resident population of more than 260,000. It is a farmland dominated agriculture and animal husbandry County, the county has 105,404 sheep, 15,552 cattle. According to the information recorded in the spring of 1956 the brigade outbreak in the county the first man asked the disease, because the prevention and control agencies do not build the whole, the measures unfavorable, after