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Mean frequency±standard deviation (%) and total cell scored of MNs and NAs observed in erythrocytes of Piaractus mesopotamicus in atrazine acute assay.
| ATZ concentrations | MN (%) | MN total | NA (%) | NA total |
|---|---|---|---|---|
| 0.0 mg/L | 0.01±0.01 | 9 | 1.49±0.68 | 1349 |
| 28.58 mg/L | 0.014±0.01 | 13 | 1.89±0.74 | 1706 |
n=9 per concentration, total number of cells screened/group=90,000. No significant difference by Mann–Whitney U-test with p<0.05. MN=Micronucleus, NA=Nuclear abnormalities, ATZ: Atrazine
