The asthma model of big rats were injected in the abdomen by the mixture of ovalbumen and kinkcough bacterin , after two weeks were sensitized by ovalbumen (OVA) and incited with inhaling fog .

采用腹腔注射卵蛋白和百日咳疫苗混合液，两周后用卵蛋白雾化吸入进行哮喘模型造模。