关键词: 鲤鱼, 喹乙醇, 递增染毒法, 蓄积毒性

Abstract: Cumulative toxicity of olaquindox to common carp was measured with dose increase method in every four days. The result shows that the cumulative coefficient of olaquindox to common carp is 1.45~1.9. According to cumulative action evaluation, olaquindox was with obviously cumulative action in common carp, The poisoned fish excreted opalescent and translucent mucous feces, appeared hyperemia and hemorrhage at the base of fins, the corner of the mouth and in abdomen, also with nervous signs before death. Histopathologically, the liver cells showed fatty or vacuolar degeneration; the renal tubular epithelial cells and cardiac muscle cells showed vacuolar degeneration; the intestinal tract showed catarrhal inflammation.

Key words: common carp(Cyprinus curpio), olaquindox, dose increase method, cumulative toxicity