Table 4.

Gill goblet cells morphometry of juvenile European sea bass (Dicentrarchus labrax) at the end of the feeding trial (63 days).

	Dietary treatments
	C	GMOS	PHYTO
Area (µm²)	59.68 ± 4.91	53.10 ± 2.30	56.34 ± 2.94
Perimeter (µm)	38.90 ± 5.89	31.71 ± 0.72	34.47 ± 0.59
Mean radius (µm)	4.12 ± 0.20	3.93 ± 0.06	4.02 ± 0.13
Minimum diameter (µm)	6.29 ± 0.45	6.12 ± 0.09	6.11 ± 0.33

Diets: C (control diet), GMOS (5000 ppm galactomannan oligosaccharides), PHYTO (200ppm phytogenic). Morphometric studies carried out on transversal sections. Different letters within a row denote significant differences among dietary treatments (p ≤ 0.05; one-way ANOVA; Tukey).