Table 5.
Changes in number and size of MMCs/μm2organ after exposure to Ag-NPs and silver nitrate in Clarias gariepinus (N = 3).
| Treatments | Size of melanomacrophage μm2 |
Number of melanomacrophage |
||
|---|---|---|---|---|
| Exposure period | Recovery period | Exposure period | Recovery period | |
| M ± SE | M ± SE | M ± SE | M ± SE | |
| (MinMax) | (MinMax) | (MinMax) | (MinMax) | |
| C | 725.76 ± 186.21 a (0–7180.9) |
718.86 ± 199.044 a (0–3617) |
3.85 ± 0.827 a (0–21) |
1.833 ± 0.57 a (0–10) |
| AgNO3 (100 μg/L) | 6253.76 ± 676.075 b (0–17982.5) |
3516.696 ± 826.83 b (0–13786) |
16.5 ± 1.918 ab (0–44) |
5.7 ± 1.14 ab (0–18) |
| 20 nm/10 μg/L AgNPs | 12335.198 ± 1842.94 c (0–71765.6) |
7615.24 ± 1109.823 bc (0–19843) |
22.1 ± 2.140 b (0–51) |
8.43 ± 1.38 bc (0–22) |
| 20 nm/100 μg/L AgNPs | 24374.955 ± 2200.80 d (0–64723.1) |
16187.56 ± 1720.707 c (0–29873.4) |
27.55 ± 2.243 d (0–57) |
10.83 ± 1.517 c (0–25) |
| 40 nm/10 μg/L AgNPs | 8206.10 ± 1149.914 bc (0–54771.9) |
5625.763 ± 1194.702 bc (0–22874.3) |
20.41 ± 2.086 b (0–49) |
7 ± 1.26 bc(0 –20) |
| 40 nm/100 μg/L AgNPs | 19952.105 ± 1922.713 d (0–54771.9) |
11786.663 ± 1322.681 bc (0–27621.3) |
23.85 ± 2.185 c (0–53) |
10 ± 1.47 bc (0–25) |
Different letters indicate significant difference at (P < 0.05).
C = control, AgNPs = silver nanoparticles and AgNO3= silver nitrate.