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

Figure 3

Immune parameters of amberjack juveniles fed diets containing increasing levels of SBM with or without the inclusion of HK-LP for 56 days. (a) Serum lysozyme activity (unit/mL, ); (b) serum bactericidal activity (10⁸ cfu/mL, ); (c) serum peroxidase activity (); (d) total serum protein (g/dL, ). Data represent means ± SE. Values with the same letter are not significantly different (). Means with different alphabet are significantly different (). Absence of letters indicates no significant difference between treatments.

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