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 2

Chemical analysis of the experimental diets.

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

Proximate composition (%, dry matter basis)
Crude protein50.8150.4750.3450.1550.7451.3850.82
Total lipid11.8512.2911.9312.7412.7112.6612.30
Ash11.1010.7811.4111.5011.5411.3711.82
Gross energy (KJ g−1)119.7519.9219.6319.8419.9119.9519.76

Amino acid profiles (AA g 100 g−1 diet, dry matter basis)
Arginine2.812.942.863.022.933.173.01
Histidine1.421.231.351.361.471.541.39
Isoleucine2.262.242.042.382.182.272.47
Leucine3.973.743.943.643.843.453.85
Lysine3.913.813.613.753.663.893.59
Methionine1.771.601.541.391.591.541.24
Phenylalanine2.012.072.172.102.212.182.18
Threonine2.182.262.262.112.112.012.29
Valine2.552.762.662.522.622.462.36
IDAA222.8622.6422.4222.2722.6122.5022.37

Calculated using combustion values for protein, lipid, and carbohydrate of 23.6, 39.5, and 17.2 kJ g−1, respectively. Carbohydrate was calculated by the difference: 100 − (protein + lipid + ash + moisture).
2IDAA: total indispensable amino acid contents.