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
T1
T2
T3
T4
Number of cells with MN
MN Freq (%) ± SE
Number of cells with MN
MN Freq (%) ± SE
Number of cells with MN
MN Freq (%) ± SE
Number of cells with MN
MN Freq (%) ± SE
Day 2
2
0.066 ± 0.03
7
0.233 ± 0.03
12
0.401 ± 0.05
21
0.701 ± 0.11
Day 4
3
0.100 ± 0.03
10
0.333 ± 0.03
23
0.766 ± 0.08
40
1.333 ± 0.12
Day 8
2
0.060 ± 0.03
18
0.610 ± 0.05
32
1.066 ± 0.12
51
1.733 ± 0.17
Day 14
1
0.033 ± 0.02
26
0.866 ± 0.08
36
1.200 ± 0.11
72
2.400 ± 0.11
Day 21
2
0.066 ± 0.03
25
0.833 ± 0.13
33
1.100 ± 0.11
65
2.166 ± 0.08
Day 28
2
0.066 ± 0.03
21
0.700 ± 0.05
30
1.00 ± 0.05
53
2.166 ± 0.08
Day 35
1
0.033 ± 0.03
16
0.533 ± 0.03
21
0.700 ± 0.05
41
1.366 ± 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.