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Table 3 Analysed nutrient and fatty acid composition of experimental diets

From: Suitability of Hermetia illucens larvae meal and fat in broiler diets: effects on animal performance, apparent ileal digestibility, gut histology, and microbial metabolites

Items Starter period (d 1–14) Grower period (d 15–28) Finisher period (d 29–35)
S + 0 L S + 50 L S + 100 L L + 0 L L + 50 L L + 100 L S + 0 L S + 50 L S + 100 L L + 0 L L + 50 L L + 100 L S + 0 L S + 50 L S + 100 L L + 0 L L + 50 L L + 100 L
Analysed nutrient composition, % DM
 Dry matter, % FM 90.0 89.9 89.7 90.2 89.8 90.2 89.3 89.4 89.0 89.5 89.4 89.6 89.4 89.3 89.0 89.0 89.6 89.7
 Crude protein 26.9 26.7 26.5 28.1 27.9 27.3 26.1 25.3 25.4 25.6 25.7 25.2 22.9 22.8 23.8 23.1 23.0 24.7
 Ether extract1 5.9 5.7 5.9 5.8 5.8 5.9 8.1 8.0 7.6 6.7 6.9 6.8 9.7 9.4 9.2 9.6 9.1 9.6
 Ash 7.0 6.7 7.1 6.9 6.6 6.8 6.3 6.5 6.5 6.3 6.3 6.2 6.3 5.9 6.0 6.0 6.0 6.4
 Sugar 4.9 4.9 5.0 4.2 4.2 4.3 4.7 4.6 4.6 3.9 4.1 4.0 4.2 4.2 4.3 3.1 3.7 3.8
 Starch 44.0 45.6 44.1 45.3 45.4 43.9 44.0 44.8 43.6 46.3 46.5 46.0 45.7 46.0 46.6 46.8 47.3 45.8
 Calcium 1.16 0.92 0.98 0.85 0.85 0.92 0.79 0.84 0.91 0.91 0.86 0.85 0.86 0.76 0.81 0.80 0.78 0.88
 Phosphorous 0.72 0.71 0.73 0.76 0.77 0.76 0.63 0.67 0.69 0.68 0.68 0.66 0.55 0.61 0.63 0.65 0.61 0.65
 Sodium 0.23 0.23 0.20 0.20 0.18 0.20 0.20 0.20 0.18 0.19 0.18 0.16 0.19 0.17 0.17 0.17 0.16 0.19
 Lysine 1.68 1.70 1.63 1.62 1.77 1.70 1.65 1.57 1.61 1.50 1.51 1.47 1.26 1.24 1.29 1.32 1.17 1.32
 Methionine 0.74 0.74 0.77 0.75 0.80 0.81 0.66 0.66 0.60 0.56 0.52 0.49 0.56 0.56 0.59 0.65 0.55 0.57
 AMEN, MJ/kg2 12.8 12.9 12.7 13.0 12.9 12.8 13.2 13.2 12.8 13.0 13.1 12.9 13.5 13.4 13.5 13.6 13.5 13.7
Fatty acid composition, % of total FAME
 C12:0 (Lauric acid) 0.0 7.3 14.9 3.9 10.4 15.5 0.9 12.1 23.4 3.6 11.6 19.3 0.9 14.6 29.6 2.5 15.8 30.7
 C14:0 (Myristic acid) 3.70 1.42 2.82 0.84 2.04 3.06 2.16 2.39 4.41 0.71 2.30 3.74 1.53 2.76 5.57 0.59 3.02 5.73
 C16:0 (Palmitic acid) 12.7 13.6 13.7 13.6 13.9 14.0 12.5 13.3 13.6 13.3 13.6 13.8 12.2 12.9 13.4 12.6 13.0 13.3
 C18:0 (Stearic acid) 2.85 2.64 2.53 2.97 2.84 2.57 3.10 2.65 2.38 3.00 2.70 2.39 3.17 2.79 2.15 3.22 2.74 2.20
 Total SFA 19.2 25.9 34.0 21.3 29.2 35.1 19.0 30.4 44.3 20.6 30.2 39.2 18.6 33.6 51.1 19.6 35.1 52.9
 C16:1 1.31 2.67 2.21 1.71 1.62 1.48 1.39 1.90 1.58 1.72 1.51 1.06 1.02 1.22 1.96 0.90 1.25 1.90
 C18:1 n-9 t (Elaidic acid) 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
 C18:1 n-9 (Oleic acid) 22.1 20.4 18.0 21.9 20.2 18.9 22.6 19.7 16.4 22.6 20.2 18.3 23.1 19.5 14.9 23.1 19.3 14.8
 Total MUFA 23.4 23.3 20.7 24.0 21.9 21.0 24.0 21.6 18.3 24.4 21.7 19.4 24.2 20.7 16.9 24.2 26.7 16.8
 C18:2 n-6 (Linoleic acid) 52.5 47.3 41.4 50.4 45.1 40.4 52.1 44.0 34.4 50.7 44.3 38.3 52.2 42.0 29.1 51.4 40.7 28.2
 C18:3 n-3 (α-Linolenic acid) 3.94 3.38 2.91 3.62 3.05 2.59 4.33 3.31 2.33 3.74 3.07 2.41 4.37 3.30 1.95 4.21 3.13 1.74
 Total PUFA 57.4 51.6 45.3 54.8 49.0 43.9 57.0 48.0 37.5 55.1 48.1 41.4 57.2 45.7 31.6 56.2 44.3 30.4
 UFA/SFA 4.2 3.0 1.9 3.7 2.4 1.9 4.3 2.3 1.3 3.9 2.3 1.5 4.4 2.0 0.9 4.1 1.8 0.9
  1. S + 0 L, SBM + 0 HI larvae fat; S + 50 L, SBM + 50% HI larvae fat; S + 100 L, SBM+ 100% HI larvae fat; L + 0 L, HI larvae meal+ 0 HI larvae fat; L + 50 L, HI larvae meal+ 50% HI larvae fat; L + 100 L, HI larvae meal+ 100% HI larvae fat FAME, fatty acid methyl esters; SFA Saturated fatty acids, MUFA Monounsaturated fatty acids, PUFA Polyunsaturated fatty acids, UFA Unsaturated fatty acids; 1with acid hydrolysis, 2 Calculated according to Kong and Adeola [31]