【单选题】【消耗次数：1】
实验室检测鸡白痢的常用方法是
①
琼脂扩散试验
②
平板凝集试验
③
血凝试验
④
中和试验
参考答案：
复制
纠错
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【单选题】
在血凝抑制试验中,试验成立的条件是
①
无血清样品孔完全凝集，无红细胞沉积点
②
空白孔红细胞沉积并呈泪滴状流下
③
无血清样品孔完全凝集，无红细胞沉积点，空白孔红细胞沉积并呈泪滴状流下
④
时间到即可读数
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