Research Article

Effects of Partial Substitution of Fish Meal by Soybean Meal with or without Heat-Killed Lactobacillus plantarum (LP20) on Growth Performance, Digestibility, and Immune Response of Amberjack, Seriola dumerili Juveniles

Table 3

Growth parameters and nutrient utilization in amberjack fed test diets for 56 days*.

ParametersSoybean meal (SBM) replacement, % (HK-LP Prep., %)
SBM0SBM15SBM15(0.1)SBM30SBM30(0.1)SBM45 SBM45(0.1)

Fn wt1136.6 ± 2.8b136 ± 3.06b136.7 ± 2.78b136.9 ± 3.11b149.2 ± 2.36c101.7 ± 1.31a105.8 ± 1.29a
WG2445.1 ± 11.5b443.8 ± 11.94b446.4 ± 11.21b446.8 ± 12.72b494.1 ± 8.52c304.8 ± 5.78a320.95 ± 6.06a
SGR33.03 ± 0.04c3.02 ± 0.04c3.03 ± 0.04c3.04 ± 0.04c3.18 ± 0.03d2.49 ± 0.03a2.57 ± 0.02b
FI4120.62 ± 3.06b118.68 ± 3.19b120.63 ± 1.56b119.58 ± 2.39b130.27 ± 2.6c88.2 ± 4.24a90.33 ± 2.68a
FER50.93 ± 0.030.94 ± 0.040.93 ± 0.020.94 ± 0.020.95 ± 0.030.87 ± 0.030.89 ± 0.03
PER61.82 ± 0.061.86 ± 0.081.83 ± 0.051.85 ± 0.041.87 ± 0.061.7 ± 0.061.76 ± 0.05
PG7203.65 ± 1.88b204.38 ± 5.08b207.05 ± 3.69b200.92 ± 1.22b206.85 ± 2.01b179.9 ± 1.64a183.17 ± 0.2a
PR8124.76 ± 2.57b122.67 ± 6.1b126.49 ± 2.19b121.12 ± 3.55b137.17 ± 1.93c81.32 ± 3.26a84.07 ± 2.29a
Sur9100951001001009093.33

Values are means of triplicate groups ± S.E.M. Within a row, means with different letters are significantly different (); means with the same letters are not significantly different (). Absence of letters indicates no significant difference between treatments.
Average initial body weight; means ± S.E.M., 25.05 ± 0.1 g.
1Fn wt: final weight (g), 2WG: percent weight gain (%), 3SGR: specific growth rate (% day−1), 4FI: feed intake (g dry diet fish−1 56 days−1), 5FER: feed efficiency ratio, 6PER: protein efficiency ratio, 7PG: protein gain (g kg body weight gain−1), 8PR: protein retention (% of intake), and 9Sur: survival (%).