Impact of Diets Containing Plant Raw Materials as Fish Meal and Fish Oil Replacement on Rainbow Trout (Oncorhynchus mykiss), Gilthead Sea Bream (Sparus aurata), and Common Carp (Cyprinus carpio) Freshness

Table 1

Formulations and proximate compositions of the rainbow trout experimental diets fed from 10 g to 1.11.5 kg.

Ingredients (g kg^−1 feed)	M	C	V
Fish meal	543.2	300.0	0
Corn gluten	0	102.5	180.0
Wheat gluten	0	50.0	120.7
Soybean meal 48	0	63.0	43.0
Soy protein concentrate	0	35.0	181.0
White lupin	0	64.7	4.97
Dehulled pea	0	69.5	23.8
Rapeseed meal	0	63.1	98.5
Extruded whole wheat	301.0	71.7	27.9
Fish oil	135.8	80.0	0
Rapeseed oil	0	80.0	73.0
Linseed oil	0	0	73.7
Palm oil	0	0	30.0
Soy lecithin	0	0	20.0
L-Lysine	0	0.05	15.0
L-Methionine	0	0	3.00
CaHPO4⋅2H20 (18% P)	0	0	25.8
Attractant mix	0	0	15.0
Min. premix	10.0	10.0	10.0
Vit. premix	10.0	10.0	10.0
Proximate composition
DM (g kg^−1)	962.6	960.1	963.1
Protein (g kg^−1)	439.4	463.9	461.4
Fat (g kg^−1)	218.3	242.2	250.0
Energy (kJ g^−1 DM)	24.51	23.84	25.32
Ash (% DM)	78.9	61.1	56.5
Fatty acid composition; (g kg^−1 total FA)
16:0	173	119	147
18:2ω6	281	127	219
18:3ω3	8.4	43.0	219
20:4ω6	7.40	4.2	0
20:5ω3	146	79	0
22:6ω3	99	52	0
Total SFA^1	286	193	185
Total MUFA^2	295	429	372
Total n-6	91	161	220
Total n-3	293	204	219

: saturated fatty acids; MUFA: monounsaturated fatty acids.