The dosage of interest is typically the lethal concentration, known as LC50, that will kill 50% of the population of organisms in a given period of time.
需要测试的剂量是致命浓度(LC50)在给定时间内能杀死50%生物体的剂量。
The results of regressive tests of GPV wild strain showed that latent period was8d, lasting1~3d after infected, and lethal rate was100%.
回归试验结果表明，该GPV野毒株的感染潜伏期为8天，病程为1～3天，致死率达100%；
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