Aquaculture Research

Research Article

Defatted Black Soldier Fly Meal in Diet for Grow-Out Gilthead Seabream (Sparus aurata L. 1758): Effects on Growth Performance, Gill Cortisol Level, Digestive Enzyme Activities, and Intestinal Histological Structure

Table 7

Histopathological analysis. Means (SD) of histological parameters (ED, VF, NP, and SV) for each experimental diet and different intestine areas (anterior or posterior) (n = 15).


Groups	Intestine
Groups	Anterior	Posterior

ED
CTRL	1.86 (1.25)	1.00 (1.36)
HI25	2.66 (1.23)	1.93 (1.71)
HI50	3 (1.13)	1.80 (1.52)
HI75	4 (0.85)	2.93 (2.01)

VF
CTRL	1.26 (0.59)	1.00 (0.53)
HI25	1.53 (0.83)	1.26 (0.96)
HI50	2.06 (1.16)	1.53 (0.99)
HI75	1.80 (1.32)	1.60 (0.91)

NP
CTRL	1.26 (0.46)	1.00 (0.53)
HI25	1.93 (0.88)	1.66 (0.97)
HI50	2.60 (0.51)	1.86 (0.91)
HI75	2.66 (0.62)	2.33 (1.05)

SV
CTRL	1.33 (0.62)	1.13 (0.52)
HI25	1.93 (0.59)	1.26 (0.59)
HI50	2.40 (0.83)	1.73 (0.88)
HI75	2.46 (0.99)	2.06 (0.80)

HI, Hermetia illucens; CTRL, control; ED, epithelium detachment; VF, villi fusion; NP, loss of nuclei position; SV, loss of normal supranuclear vacuolation.