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1、弧菌病(胎儿弯曲杆菌病)Vibriosis (Bovine Campylobacteriosis)Prepared by: Dr. Terry HuntTranslated by Dr.傅小平因/发病机理Cause & Pathogenesis胎儿弯曲杆菌一一革蓝氏阴性、螺旋运动杆菌Campylobacter fetus var. venerealis 一 gram -ive motile spiral rod 寄生于牛的生殖道Obligate parasite of bovine genital tract造成胎儿死亡和怀孕5-6月的零星流产Transmitted by venereal c
2、ontactRisk FactorsNatural breedingSub clinical carrier bullsCauses early embryonic death of fetus and sporadic abortions at 5-6 months 通过性传镭 危险因素自然交配亚临床带菌公牛Clinical FindingsInfertilityIrregular estrus cyclesRepeat breeders亚临床带菌公牛Clinical FindingsInfertilityIrregular estrus cyclesRepeat breedersClini
3、cal FindingsInfertilityIrregular estrus cyclesRepeat breedersClinical FindingsInfertilityIrregular estrus cyclesRepeat breeders临床症状不育无规律发情周期反复配种 生殖道感染一一脓性子宫内膜炎Vaginal infection 一 mucopurulent endometritis不孕、早期胎儿死亡和再吸收Prevents conception or causes early embryonic death and resorption感染持续2-3月延长产犊间隔诊断病
4、史、临床症状鉴别诊断 毛滴虫病营养不良公牛无生殖能力感染持续2-3月延长产犊间隔诊断病史、临床症状鉴别诊断 毛滴虫病营养不良公牛无生殖能力感染持续2-3月延长产犊间隔诊断病史、临床症状鉴别诊断 毛滴虫病营养不良公牛无生殖能力Infection lasts 2-3 monthsProlonged calving intervalDiagnosisHistory and clinical signsDifferential DiagnosisTrichomoniasisPoor nutritionInfertile bullsLaboratory and Pathology Demonstrate
5、 or isolate organism Culture using Clark9s media Mucus agglutination test实验室和病理学诊断发现或分离病原体用Clarks培养基培养粘液凝集试验TreatmentIntrauterine flushing治疗子宫内灌注预后情况好、有抗再次感染能力后遗症延长产犊间隔预后情况好、有抗再次感染能力后遗症延长产犊间隔PrognosisGood and tend to resist subsequent infectionSequelae预防Sequelae预防预防预防Prevention & ControlProlonged calving interval人工受精Al program疫苗接种一一2次/年，而后每年加强免疫Vaccination program 一 twice 1st year then yearly booster
