Table 4.
HAI index assessment of the liver of exposed Ctenopharyngodon idella by using importance factor and score value of cadmium chronic toxicity.
| Histological abrasions | Importance factor (w) | Score value (a) | Index (I) | HAI (a × W) |
|---|---|---|---|---|
| Hemorrhage | W lC1 = 1 | a IC1 = 3 | IIC | 3 |
| Edema | W lC2 = 2 | a IC2 = 3 | 6 | |
| Hepatic necrosis | W IRI = 3 | a IR1 = 3 | I IR | 9 |
| Partial degeneration of hepatic mass | W IR2 = 1 | a IR2 = 2 | 2 | |
| Congestion of central vein | W IR3 = 2 | a IR3 = 2 | 4 | |
| Vacuole degeneration | W IR4 = 3 | a IR4 = 3 | 9 | |
| Alarm cells | W IR5 = 1 | a IR5 = 2 | 2 | |
| Focal area of necrosis | W IR16 = 3 | a IR16 = 3 | 9 | |
| Dilated sinusoids | W IP1 = 3 | a IP1 = 3 | IIP | 9 |
| Pigmented cell ruptured | W II1 = 2 | a II1 = 2 | 4 | |
| Fat cell accumulation | W II2 = 1 | a II2 = 3 | 3 | |
| Hyperplasia | W LP4 = 2 | a LP4 = 3 | I LP | 6 |
| Hypertrophy | W LP5 = 1 | a LP5 = 3 | 3 | |
| Hepatic infiltration | W II3 = 1 | a II3 = 3 | 3 | |
| Nuclear alteration | W LR16 = 2 | a LR16 = 2 | I LR | 4 |
| Proliferation of hepatocytes | W LI3 = 1 | a LI3 = 2 | I LI | 2 |
| Mean value of Iliver | 78 |