Research Article

Genotoxic Effects of Chlorpyrifos in Freshwater Fish Cirrhinus mrigala Using Micronucleus Assay

Table 3

Incidence of micronuclei as nuclear anomaly in peripheral erythrocytes of Cirrhinus mrigala exposed to different concentrations of chlorpyrifos.

Exposure time Micronuclei
T1T2 T3 T4
Number of cells with MNMN Freq (%) ± SENumber of cells with MNMN Freq (%) ± SENumber of cells with MNMN Freq (%) ± SENumber of cells with MNMN Freq (%) ± SE

Day 220.066 ± 0.0370.233 ± 0.03120.401 ± 0.05210.701 ± 0.11
Day 430.100 ± 0.03100.333 ± 0.03230.766 ± 0.08401.333 ± 0.12
Day 820.060 ± 0.03180.610 ± 0.05321.066 ± 0.12511.733 ± 0.17
Day 1410.033 ± 0.02260.866 ± 0.08361.200 ± 0.11722.400 ± 0.11
Day 2120.066 ± 0.03250.833 ± 0.13331.100 ± 0.11652.166 ± 0.08
Day 2820.066 ± 0.03210.700 ± 0.05301.00 ± 0.05532.166 ± 0.08
Day 35 10.033 ± 0.03160.533 ± 0.03210.700 ± 0.05411.366 ± 0.14

Values with different capital alphabet superscripts differ significantly () within the same column.
Values with different small alphabet superscripts differ significantly () within the same row.