Conversion of Mixtures of Soybean Curd Residue and Kitchen Waste by Black Soldier Fly Larvae ( L.).

Insects

College of Food Science and Light Industry, Nanjing Tech University, No. 30 Puzhu Road South, Nanjing 211800, China.

Published: December 2021

The production of insect biomass from organic waste is a major challenge in terms of reducing the environmental impacts of waste and maintaining feed and food security. The feasibility of the co-conversion of soybean curd residue (SCR) and kitchen waste (KW) to breed black soldier fly (BSF, ) larvae was evaluated so as to enhance biomass conversion efficiency and supply animal feed and allow it to be used in biodiesel production. Co-digestion was found to significantly increase larval yield, bioconversion rate, and bioaccumulation of lipid. Partial least squares regression showed that the conversion of 30% SCR with 70% KW is an appropriate proportion. The appropriate performance parameters of BSF were: survival rate (98.75%), prepupal rate (88.61%), larval biomass (30.32 g fresh and 11.38 g dry mass), bioconversion rate (18.45%), efficiency conversion of ingested food (ECI) (28.30%), and FCR (2.51). Our results show that conversion of mixtures (e.g., SCR with KW) by BSF larvae (BSFL) could play an important role in various organic materials management.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8779397PMC
http://dx.doi.org/10.3390/insects13010023DOI Listing

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