Objective To explore the feasibility about Xiphophorus helleri, Poecilia and Gambusia affinis as test organisms for 7 day subchronic toxicity test .
目的探索红剑鱼、孔雀鱼和食蚊鱼作为实验动物用于七天亚慢性毒性试验材料的可行性。
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Therefore, the dwarf mutation in X. helleri is caused by the developmental defect in spinal column, and the vertebral malformation underlies the body type alteration anatomically.