In experimental exposure in the lab, Two hundred and forty Nile tilapia (30 ± 5 g b.w.) were distributed into glass aquaria containing 10% LC50 of lead nitrate (PbNO3) [34 (link)] and zinc sulfate (ZnSO4) [35 ], 14.33 mg/L and 6.398 mg/L, respectively, for 4, 6, and 8 weeks.
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