Table 7.

Amino acid composition (g/100 g of wet weight) of the filets of the gilthead sea bream fed with the four exerimental diets.

	GROUP				p -value		SEM1
	HIM0	HIM25%	HIM35%	HIM50%	D2	BW3
Fish	18	18	18	18
Indispensable amino acids
Arginine	1.77 a	1.11 b	1.05 c	1.16 b	<0.001	0.295	0.014
Histidine	0.83 a	0.77 b	0.82 ab	0.86 a	<0.001	0.701	0.013
Isoleucine	1.23 b	1.25 b	1.20 b	1.34 a	<0.0001	0.404	0.014
Leucine	2.12 a	2.07 a	1.93 b	2.11 a	<0.001	0.463	0.018
Lysine	3.66 a	3.65 a	3.44 b	3.55 ab	0.011	0.236	0.047
Methionine	0.66 a	0.59 b	0.56 c	0.66 a	<0.001	0.884	0.008
Phenylalanine	1.56 a	1.16 c	1.34 b	1.04 d	<0.001	0.626	0.011
Threonine	1.10	1.18	1.16	1.16	0.212	0.691	0.027
Valine	1.15 b	1.17 b	1.13 b	1.26 a	<0.001	0.705	0.015
Tryptophan	0.02 b	0.03 a	0.03 a	0.02 c	<0.001	0.855	0.011
Dispensable amino acids
Hydroxylysine	0.14	0.12	0.13	0.12	0.630	0.276	0.009
Alanine	0.96 ab	0.95 b	0.96 b	1.00 a	0.013	0.187	0.011
Aspartate+Asparigine	1.39 b	1.41 ab	1.39 ab	1.48 a	0.032	0.841	0.024
Cysteine	0.06 a	0.03 b	0.04 b	0.01 c	<0.001	0.766	0.003
Glycine	0.93 ab	0.91 ab	0.85 b	0.95 a	0.007	0.478	0.019
Glutamate+ Glutammine	0.77	0.74	0.76	0.75	0.823	0.598	0.021
Proline	0.73 a	0.72 ab	0.68 b	0.76 a	0.001	0.666	0.013
Hydroxyproline	0.33	0.33	0.34	0.34	0.456	0.193	0.008
Tyrosine	1.03 a	0.97 b	0.90 c	0.91 c	<0.001	0.889	0.014
Serine	1.07	1.15	1.14	1.09	0.058	0.615	0.024
EAA/NEAA	1.91 a	1.77 b	1.76 b	1.78 b	<0.001	0.206	0.018

HIM0, fish meal group; HIM25„ HIM35, and HIM50%, Hermetia illucens meal at 25, 35 and 50% substitution rates of fish meal groups, respectively.

Fish: 18 per diet, 6 fish per tank, and 3 replications per diet.

Mean values with different letters in the same row are significantly different at p < 0.05.

¹Standard error of the mean.

²Diet.

³Body weight.