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我们于1987～1989年在灵山县对该病的流行病学情况进行了初步调查,结果如下。 一、应用酶联免疫吸附试验(ELISA)检测了采自三隆、檀圩两重疫区的猪血清(表1)。
We conducted a preliminary investigation of the epidemiology of the disease in Lingshan County from 1987 to 1989, and the results are as follows. First, ELISA was used to detect the pig serum collected from the two epidemic areas of Sanlong and Tanxu (Table 1).