Table 1.

Main ingredients and composition of the experimental diets.

Ingredient	Diet (g ⋅ kg−1 dry weight)
	FO	FOMOS	SBO	SBOMOS
Fish meala	515.0	515.0	515.0	515.0
Soybean mealb	97.8	97.8	97.8	97.8
Wheat	85.3	85.3	85.3	85.3
Wheat gluten	85.3	85.3	85.3	85.3
Corn mealc	65.3	61.3	65.3	61.3
Fish oild	147.2	147.2	0	0
Soybean oil	0	0	147.2	147.2
Mineral and vitamin mixe	4	4	4	4
Antioxidant (BHT)	0.1	0.1	0.1	0.1
MOSf	0	4	0	4
Composition (%, dry weight)
Crude lipids	21.12	21.55	21.23	21.23
Crude protein	48.18	48.77	47.71	47.43
Moisture	4.29	4.73	3.91	3.90
Ash	10.55	10.42	11.46	11.41

^aPeruvian fish meal (67% crude protein; 9% crude fat; EXALMAR, Peru).

^bSoybean meal (Solvent extracted dehulled soybean meal; 47% crude protein; 2.6% crude fat; SORGAL SA, Portugal).

^cCorn meal (8–12% crude protein).

^dPeruvian fish oil.

^eMineral and vitamin premix provided by BioMar SAS.

^fBiomos^®, Alltech, Inc., USA.