材料准备一、培养基;普通琼脂或血琼脂平板,按菌种不同而异。磺胺类药用无胨培养基。如用胎盘消化液代替肉汤则可缩短培养时间(4～6小时)。二、药敏纸片:直径6毫米的滤纸片,高压灭菌后干燥。每100片纸片加抗菌素液1毫升,浸泡1小时。于启盖平皿中,在紫外线下自然干燥,即可使用。如 Preparation of a material, medium; ordinary agar or blood agar plate, according to different strains vary. Sulfa medicinal peptone-free medium. If the placenta digestive juice instead of broth can shorten the incubation time (4 ~ 6 hours). Second, drug sensitive paper: 6 mm diameter filter paper, dried autoclaved. Every 100 pieces of paper plus 1 ml of antibiotic solution, soak for 1 hour. Cover in the open lid, the natural dry under the UV, you can use. Such as