养殖与饲料2024年第1期散养鸡寄生虫感染情况的调查研究麻文静，沈娜，苏红萍，史杰，冯平*榆林学院生命科学学院，陕西榆林719000摘要［目的］了解陕西榆林某地区散养鸡寄生虫的感染情况。［方法］在陕西榆林市米脂地区的某鸡场采集36份新鲜散养鸡粪便，并对其进行编号分类，采用饱和食盐水漂浮法、离心沉淀法以及斯陶尔氏计数法对散养鸡寄生虫的感染情况进行统计分析。［结果］该鸡场散养鸡寄生虫总感染率为77.78%，混合感染率为33.33%，寄生虫种类有4种，分别为鸡绦虫、鸡异刺线虫、鸡球虫病以及鸡蛔虫，感染强度分别为456.67、258.36、369.35、389.23个/g。优势虫种是有轮赖利绦虫(R.cesticillus)，感染率为44.44%。［结论］该地区散养鸡肠道寄生虫的感染较为严重，应定期驱虫并加强防治。关键词散养鸡；寄生虫；虫种鉴定；感染率InvestigationonParasiticInfectioninfree-rangechickensInvestigationonParasiticInfectioninfree-rangechickensMAWenjing,SHENNa,SUHongping,SHIJie,FENGPing*CollegeofLifeSciences,YulinUniversity,Yulin719000,ChinaAbstractAbstract[Objectives]Toinvestigatetheinfectionstatusofparasitesinfree-rangechickensinacertainareaofYulin,ShanxiProvince.[Methods]36freshfecesoffree-rangechickensfromachickenfarmintheMizhiareaofYulinCity,ShaanxiProvince,werecollected,numbered,andclassified.Sta‐tisticalanalysesofparasiticinfectionsinfree-rangechickenswereconductedusingsaturatedsalinefloatationmethod,centrifugalprecipitationmethod,andStauer'scountingmethod.[Results]Thetotalin‐fectionrateofparasitesinthefree-rangechickensofthischickenfarmwas77.78%,andthemixedinfectionratewas33.33%.Therewerefourtypesofparasites,namelychickentaeniasis,chickenechi‐nococcosis,chickencoccidiosis,andchickenascariasis,withinfectionintensitiesof456.67,258.36,369.35,and389.23perg.ThedominantspecieswasR.cesticillus,withaprevalenceof44.44%.[Conclu‐sions]Theinfectionofintestinalparasitesinfree-rangechickensinthisareaisrelativelyserious,andregulardewormingandstrengthenedpreventionandcontrolshouldbecarriedout.KeywordsKeywordsfree-rangechickens;parasites;insectspeciesidentification;infectionrate散养鸡又称“溜达鸡”，品种优良，在饲养方式上以白天放养在房...
