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Table 1 Ingredients and proximate composition of HI larvae meal and experimental diets

From: Evaluation of the suitability of a partially defatted black soldier fly (Hermetia illucens L.) larvae meal as ingredient for rainbow trout (Oncorhynchus mykiss Walbaum) diets

Items HI larvae meal HI0 HI25 HI50
Ingredients, g/kg
 FM (Chile, super prime)a - 600 450 300
 HI larvae mealb   0 200 400
 Wheat meal - 40 40 40
 Wheat bran - 90 60 30
 Fish oil - 90 70 50
 Starch gelatinized, D500 - 150 150 150
 Mineral mixturec - 15 15 15
 Vitamin mixtured - 15 15 15
Proximate compositione
 DM, g/100 g 94.18 96.07 94.93 95.63
 CP, g/100 g DM 55.34 45.20 44.86 45.00
 EE, g/100 g DM 17.97 15.86 15.74 15.81
 Ash, g/100 g DM 7.12 11.40 11.43 10.11
 Chitin, g/100 g DM 5.00 - 1.05 2.09
 NFE, g/100 g DMf 14.57 27.54 26.92 26.99
 Gross energy, MJ/kg DMg 24.37 21.71 22.35 22.60
  1. Abbreviations: HI Hermetia illucens, FM fish meal, DM dry matter, CP crude protein, EE ether extract, NFE Nitrogen Free Extracts
  2. aFish meal was purchased from Corpesca S.A. (Santiago, Chile). Proximate composition (% as-fed basis): 90.4 DM; 66.7 CP; 8.3 EE; 14.9 Ash
  3. b Hermetia illucens larvae meal purchased from Hermetia Deutschland GmbH & Co. KG (Baruth/Mark, Germany)
  4. cMineral mixture (g or mg/kg diet): bicalcium phosphate 500 g, calcium carbonate 215 g, sodium salt 40 g, potassium chloride 90 g, magnesium chloride 124 g, magnesium carbonate 124 g, iron sulfate 20 g, zinc sulfate 4 g, copper sulfate 3 g, potassium iodide 4 mg, cobalt sulfate 20 mg, manganese sulfate 3 g, sodium fluoride 1 g (Granda Zootecnici, Cuneo, Italy)
  5. dVitamin mixture (IU or mg/kg diet): DL-αtocopherolacetate, 60 IU; sodium menadione bisulfate, 5 mg; retinylacetate, 15,000 IU; DL-cholecalciferol, 3000 IU; thiamin, 15 mg; riboflavin, 30 mg; pyridoxine, 15 mg; Vitamin B12, 0.05 mg; nicotinic acid, 175 mg; folic acid, 500 mg; inositol, 1000 mg; biotin, 2.5 mg; calcium panthotenate, 50 mg; choline chloride, 2000 mg (Granda Zootecnici, Cuneo, Italy)
  6. eValues are reported as mean of duplicate analyses
  7. fCalculated as 100 − (CP + EE + Ash + Chitin)
  8. gDetermined by calorimetric bomb