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. 2019 Dec 23;14(12):e0222780. doi: 10.1371/journal.pone.0222780

Table 3. Growth and biometry of the juvenile pearl gentian grouper fed with diets containing various concentrations of FM replaced with SPC.

Items Diets
SPC0 SPC15 SPC 30 SPC45 SPC60 SPC75
Wi (g) 7.97 ± 0.00 7.98 ± 0.04 8.04 ± 0.03 8.01 ± 0.01 8.02 ± 0.01 8.01 ± 0.01
Wf (g) 41.29 ± 0.66b 46.12 ± 0.78a 39.34 ± 0.54c 34.23 ± 0.89d 26.14 ± 0.95e 19.53 ± 0.32f
BWG (g) 33.32 ± 0.60b 38.14 ± 0.90 a 31.30 ± 0.60c 26.22 ± 0.98 d 18.12 ± 0.95e 11.52 ± 0. 32f
WGR (%) 3.76 ± 0.13b 4.53 ± 0.33a 3.62 ± 0.12b 3.05 ± 0.29c 1.88 ± 0.17d 1.04 ± 0.06e
SGR (% d−1) 3.42 ± 0.02b 3.72 ± 0.09a 3.24 ± 0.06c 2.76 ± 0.12d 1.92 ± 0.13e 0.78 ± 0.07f
PER 1.69 ± 0.07c 2.32 ± 0.15a 2.21 ± 0.09ab 2.04 ± 0.17b 1.62 ± 0.14c 1.11 ± 0.07d
DFI (% d−1) 3.98 ± 0.11a 3.07 ± 0.13bc 2.95 ± 0.08c 3.07 ± 0.15bc 3.05 ± 0.12bc 3.09 ± 0.07bc
FCR 1.27 ± 0.05b 0.93 ± 0.06a 0.96 ± 0.04a 1.07 ± 0.09a 1.32 ± 0.12b 1.96 ± 0.13c
Survival % 91.11 ± 1.92bc 95.55 ± 3.85ab 94.44 ± 1.93ab 96.67 ± 3.34a 88.89 ± 1.93cd 85.56 ± 1.93d
Biometric indices
CF (g cm−3) 1.73 ± 0.13a 1.65 ± 0.14ab 1.61 ± 0.19ab 1.61 ± 0.14ab 1.56 ± 0.15b 1.41 ± 0.20c
HSI (%) 2.97 ± 0.38a 2.47 ± 0.58ab 2.17 ± 0.56b 2.58 ± 0.54ab 2.46 ± 0.61ab 2.12 ± 0.61b
IPR (%) 1.41 ± 0.41b 1.68 ± 0.59ab 2.03 ± 0.58a 1.78 ± 0.33ab 1.69 ± 0.52ab 0.93 ± 0.57c

Values (mean ± SD, n = 3) within the same row with different letters are significantly different (P < 0.05). Absence of letters indicates no significant difference between treatments. Wi: initial weight; Wf: final weight of fish; BWG: average body weight gain; WGR: Weight gain ratio; SGR: specific growth rate, survival; PER: protein efficiency ratio; DFI: Daily feed intake; FCR: feed conversion ratio; SR: survival rate; CF: Condition factor; HIS: hepatosomatic index; IPR: intraperitoneal ratio.