Evaluating the Efficiency of Black Soldier Fly (Hermetia illucens) Larvae in Converting Mackerel Head Waste into Valuable Resources

Tirtawijaya, Gabriel and Lee, Jin-Hwa and Bashir, Khawaja Muhammad Imran and Lee, Hae-Jeung and Choi, Jae-Suk (2024) Evaluating the Efficiency of Black Soldier Fly (Hermetia illucens) Larvae in Converting Mackerel Head Waste into Valuable Resources. Animals, 14 (9). p. 1332. ISSN 2076-2615

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Abstract

The seafood processing industry generates significant waste, including mackerel heads (MH), constituting 20–32% of total waste. This study explored the potential of utilizing MH as a feed source for black soldier fly larvae (BSF larvae). BSF larvae are known for their ability to efficiently convert organic materials into nutrient-rich biomass. Five concentrations of MH (0, 10, 20, 30, 40, and 50% in chicken feed) were fed to BSF larvae for eight days. After harvesting, their growth, MH conversion efficiency, nutritional content, and heavy metals reduction potential were measured. BSF larvae showed optimal growth when fed with a feed containing 20% MH, resulting in a 14.36-fold increase in weight compared to the control group, as determined by the Fisher’s Least Significant Difference Test. BSF larvae maintained a survival rate of 99.33%. With the lowest feed conversion ratio (FCR) of 2.09 at 20% MH, feed efficiency was improved by up to 65.15%, and feed reduction up to 73.53%. MH enhanced lipid and protein content in BSF larvae. Furthermore, BSF larvae in this study showed higher polyunsaturated fatty acids (PUFA), including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), as well as other amino acids which are required for breeding animals. The current study highlights the potential of MH as a feed source for BSF larvae, improving nutritional biomass. It also suggests BSF larvae as an eco-friendly option for handling seafood processing waste and as an alternative feed source for animals.

Item Type:	Article
Uncontrolled Keywords:	alternative feed; black soldier fly larvae; biomass conversion; insect farming; waste management; waste-to-biomass
Subjects:	Q Science > Q Science (General) S Agriculture > S Agriculture (General) S Agriculture > SF Animal culture S Agriculture > SH Aquaculture. Fisheries. Angling
Divisions:	Faculty of Technobiology > Department of Biology
Depositing User:	GABRIEL TIRTAWIJAYA
Date Deposited:	02 May 2024 05:13
Last Modified:	02 May 2024 05:13
URI:	http://repository.ubaya.ac.id/id/eprint/46301

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