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Table 1 Growth performances and survival rates of sea bass fed experimental diets over a 10-week period

From: Dietary aquaculture by-product hydrolysates: impact on the transcriptomic response of the intestinal mucosa of European seabass (Dicentrarchus labrax) fed low fish meal diets

DIET FM5 FM20 FM5 + 5% TH FM5 + 5% SH FM5 + 5% MH
Initial BW (g) 2.2 ± 0.01 2.2 ± 0.01 2.2 ± 0 .01 2.3 ± 0.00 2.2 ± 0.01
Final BW (g) 11.7 ± 0.4a 13.1 ± 0.3b 13.9 ± 0.4b 13.2 ± 0.5b 13.0 ± 0.6b
SGR (%) 2.5 ± 0.1a 2.7 ± 0.1b 2.8 ± 0.1b 2.7 ± 0.1b 2.7 ± 0.1b
K factor 2.0 ± 0.03 2.0 ± 0.01 2.0 ± 0.02 2.0 ± 0.02 2.0 ± 0.03
Feed intake (g/kg ABW/d) 33.34 ± 1.46 30.40 ± 1.63 31.55 ± 1.41 30.60 ± 1.12 31.50 ± 0.94
FCR 1.95 ± 0.04a 1.75 ± 0.05b 1.83 ± 0.04ab 1.79 ± 0.04ab 1.82 ± 0.04ab
SR (%) 93.0 ± 2.6 96.0 ± 0.9 96.0 ± 0.9 93.8 ± 0.8 97.0 ± 1.1
  1. Values are the means of four replicate groups of 50 measurements each, presented as mean ± SEM. Lines with different superscript letters differ significantly according to Tukey’s multiple comparison test (P < 0.05). Abbreviations: FM5 5% fish meal diet, FM20 20% fish meal diet; TH tilapia hydrolysate diet, SH shrimp hydrolysate diet, MH mixed hydrolysate diet, BW body weight, SGR specific growth rate, ABW average body weight, FCR feed conversion ratio, SR survival rate