Chronic Toxicity of Chloroform to Japanese Medaka Fish.

Environmental Health Perspectives | January 1, 2001| | Copyright

Japanese medaka (Oryzias latipes) were continually exposed in a flow-through diluter system for 9 months to measured chloroform concentrations of 0.017, 0.151, or 1.463 mg/L. Parameters evaluated were hepatocarcinogenicity, hepatocellular proliferation, hematology, and intrahepatic chloroform concentration. Histopathology was evaluated at 6 and 9 months. Chloroform was not hepatocarcinogenic to the medaka at the concentrations tested. Chronic toxicity was evidenced at these time points by statistically significant ([Alpha] = 0.05) levels of gallbladder lesions and bile duct ...

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