Table 1.
Semi quantitative scoring of eye, brain, and kidney in red tilapia,O. niloticushybrid, challenge experimentally to different routes of infection
| Lesion | Brain | Eye | Kidney | |
|---|---|---|---|---|
| Infiltration of mononuclear cells, congestion, detachment of blood vessel, hydrophic degeneration | Haemorrhage, congestion, infiltration of mononuclear cells, widening of retina layer | Hydropic degeneration, congestion, haemorrhage, | ||
| Hour | Group | |||
| 4 | 1 | 3 | 2 | 3 |
| 2 | 1 | 2 | 2 | |
| 3 | 1 | 1 | 2 | |
| 8 | 1 | 3 | 2 | 3 |
| 2 | 1 | 3 | 2 | |
| 3 | 1 | 2 | 3 | |
| 16 | 1 | 3 | 2 | 3 |
| 2 | 2 | 3 | 3 | |
| 3 | 2 | 3 | 3 | |
| 24 | 1 | 3 | 3 | 3 |
| 2 | 3 | 3 | 3 | |
| 3 | 3 | 3 | 3 | |