羊四防苗免疫失败的原因分析

Analysis of the reasons for the failure of the Quadruple Vaccine in Sheep

羊四防是用于预防羔羊痢疾、羊快疫、猝狙、肠毒血症的四联疫苗,是养殖户重要的常规免疫疫苗。造成免疫失败的原因很多,主要有疫苗本身的质量、疫苗的储存运输温度、免疫操作不规范、程序不科学、免疫前后使用其他药物、羊只本身因素和环境因素等造成。

Quadruple vaccine is used for preventing lamb dysentery, ovine braxy, sudden spy and enterotoxaemia, which is an important routine immunization vaccine for farmers. Immunization failure are caused by many reasons, mainly include the quality of the vaccine, the vaccine storage and transportation temperature, non-standard immune operation, unscientific procedure, abusing other drugs before and after immunization, sheep and environmental factors.