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Alternative protein production for animal feed: Musca domestica productivity on poultry litter and nutritional quality of processed larval meals

Fitches, E.C.; Dickinson, M.; De Marzo, D.; Wakefield, M.E.; Charlton, A.C.; Hall, H.

Authors

M. Dickinson

D. De Marzo

M.E. Wakefield

A.C. Charlton

H. Hall



Abstract

The productivity of Musca domestica larvae reared on poultry litter and the nutritional parameters of insect meal as an animal feed ingredient have been evaluated. In laboratory bioassays, a seeding density of 0.32 g eggs/kg wet weight litter produced maximal yields of >50 g of naturally egressing larvae/kg substrate. Substrate composition and moisture content were critical determinants for insect development and generally litter wetted to water holding capacity (approx. 23% dry weight) was optimal for larval production. Four different processing methods were evaluated, but had no significant effects upon the nutritional quality of insect meals and all were effective in reducing microbial (Enterobacteriacae) populations to levels considered acceptable by feed regulations. Processed samples contained an average of 59.9% protein and 24.2% fat. Differences in levels of fatty acids, particularly palmitic, linoleic and α-linolenic were observed in larvae reared on different substrates. By contrast, highly similar amino acid profiles were derived from larvae reared on different substrates. With well-balanced amino acid profiles, superior to soymeal and more comparable to fishmeal, M. domestica larval meals have considerable potential for use as a protein-rich animal feed.

Citation

Fitches, E., Dickinson, M., De Marzo, D., Wakefield, M., Charlton, A., & Hall, H. (2018). Alternative protein production for animal feed: Musca domestica productivity on poultry litter and nutritional quality of processed larval meals. Journal of Insects as Food and Feed, 5(2), 77-88. https://doi.org/10.3920/jiff2017.0061

Journal Article Type Article
Online Publication Date Sep 21, 2018
Publication Date Sep 30, 2018
Deposit Date Apr 30, 2019
Publicly Available Date Mar 29, 2024
Journal Journal of Insects as Food and Feed
Publisher Wageningen Academic Publishers
Peer Reviewed Peer Reviewed
Volume 5
Issue 2
Pages 77-88
DOI https://doi.org/10.3920/jiff2017.0061