Table 3.
Semi quantitative evaluation of the main histopathological alterations found in the gills of juvenile European sea bass (Dicentrachus labrax) at the end of the feeding trial (63 days).
| Dietary treatments | |||
|---|---|---|---|
| C | GMOS | PHYTO | |
| Lamellar fusion | 1-2a | 1-2ab | 0-1b |
| Lamellar telangiectasis/aneurysms | 0-1 | 0-1 | 0 |
| MRCs cell hyperplasia | 1-2 | 1-2 | 1 |
| General gill inflammation | 1-2 | 1-2 | 1-2 |
| ILT infiltrated leucocytes | 1-2 | 1-2 | 1-2 |
| ILT infiltrated granulocytes | 1-2 | 1-2 | 1-2 |
1 (weak), 2 (moderate) and 3 (strong) for each parameter evaluated. Diets: C (control diet), GMOS (5000 ppm galactomannan oligosaccharides), PHYTO (200ppm phytogenic). Gill main histopathological alteration detailed in Figure 2 . Different letters within a row denote significant differences among dietary treatments (p ≤ 0.05; Kruskal-Wallis for independent samples; U Mann-Whitney tests).