摘要
绵羊分娩前１～２个月皮下注射破伤风类毒素０．５ｍｌ／只，对所生羔羊可获得坚强的免疫；剪毛前１个月皮下注射破伤风类毒素０．５ｍｌ／只，一年内注射２次（一生只注射２～３次），经连续１７年的观察可获得终生免疫。
Firmly immune on the lamb leve to tetanus could be formed by subcutanous injection to the ewe with 0 5ml tetanus toxoid 1 to 2 months before parturition.Continuous observation for 17 years demonstrated that immunologic protection could be obtained in the whole life of the sheep by subcutanons injection with 0 5ml tetanus toxoid one monthe ahend of shearing twice a year and 2 to 3 times for the whole life.
