The change in SOD activity showed a trend of first increasing and then decreasing with the increase in the oxytetracycline concentration ( Figure 1 ), and AL was the highest (0.58–0.77) at 36 mg/kg; only minor changes were observed after short-term exposure, whereas a moderate upward trend occurred after long-term exposure, with the maximum value (0.77) on day 30.
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Exploring the Toxicity of Oxytetracycline in Earthworms (<i>Eisenia fetida</i>) Based on the Integrated Biomarker Response Method.
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