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 4

Growth performances of gilthead sea bream fed the experimental diets (n = 3).

CTRLHI25HI50HI75SEM value

WG (g)245.7238.9231.12234.2880.294
SGR (% (d))0.71a0.69a0.69a0.64b0.0080.003
FCR1.59b1.64b1.65b1.74a0.0180.007
PER1.46a1.41a1.41a1.34b0.0140.007
FR (% (d))1.161.161.171.150.0050.635
DIR (%)22.6423.0323.0722.870.0900.350

HI, Hermetia illucens; SEM, standard error of the mean; , probability; WG, weight gain; SGR, specific growth rate; FCR, feed conversion ratio; PER, protein efficiency ratio; FR, feeding rate; DIR, daily intake rate. Different letters within a row indicate significant differences ().