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Title	*Utility of by-products of black soldier fly larvae (Hermetia illucens) production as feed ingredients for Pacific Whiteleg shrimp (Litopenaeus vannamei)*
ID_Doc	25592
Authors	Fricke, E; Saborowski, R; Slater, MJ
Title	*Utility of by-products of black soldier fly larvae (Hermetia illucens) production as feed ingredients for Pacific Whiteleg shrimp (Litopenaeus vannamei)*
Year	2024
Published	Journal Of The World Aquaculture Society, 55, 4
Abstract	Projected growth in insect production as alternative feedstuffs will yield novel by-products that are potentially valuable for aquafeed applications. We analyzed the nutrient composition of three by-products occurring from black soldier fly larvae production (exuvia, cocoon, imago) and the bioavailability of key nutrients for Pacific Whiteleg shrimp (Litopenaeus vannamei). Protein accounted for 317 g kg(-1) in exuviae, 433 g kg(-1) in cocoons, and up to 521 g kg(-1) in adult flies (imagines). Considerable amounts of essential amino acids were detected in imago meal, which significantly matched the ideal dietary amino acid composition for penaeid shrimp (r(2) = 0.66, p = 0.0076). Exuviae and cocoons contained moderate amounts of lipids (64-140 g kg(-1)), while imagines comprised 356 g kg(-1) total lipid. Saturated fatty acids predominated in all insect materials (47%-83% of total fatty acids). Chitin concentration was highest in cocoons and exuviae (154 and 139 g kg(-1)) and low in imagines (51 g kg(-1)). A feeding trial with shrimp, L vannamei, revealed apparent digestibility coefficients of 20%-59% for protein, 24%-54% for energy, 25%-49% for carbon, and 27%-68% for copper. Defatting of imago meal increased the digestibility of protein, energy, and carbon by 77%, 64%, and 61%, respectively. Defatted imago meal can serve as a protein supplement for shrimp diets.
PDF	https://onlinelibrary.wiley.com/doi/pdfdirect/10.1111/jwas.13070

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