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Almond by-product composition impacts the rearing of black soldier fly larvae and quality of the spent substrate as a soil amendment
Open accessAbstract
BACKGROUND: Insect biomass is a sustainable alternative to traditional animal feeds, particularly when insects are produced on low‐value high‐volume agricultural by‐products. Seven samples of almond by‐product (hulls and shells) were obtained from processors in California and investigated for larvae production. Experiments were completed with and without larvae and spent substrate samples were assessed for their potential as soil amendments based on standard compost quality indicators. RESULTS: On average, specific larvae growth and average larval harvest weight were 158% and 109% higher, respectively, when larvae were reared on Monterey and pollinator hulls compared to nonpareil hulls and mixed shells. Larvae methionine and cystine contents were highest when larvae were reared on Monterey hulls and mixed shells, respectively. Available phytonutrients in spent substrate were affected by feedstock sample and larvae rearing. Spent nonpareil substrate without larvae had the highest NH 4‐N levels and spent pollinator substrate incubated without larvae had the highest PO 4‐P levels. Spent mixed shell substrate had the lowest availability of phytonutrients. CONCLUSION: The findings demonstrate that by‐product composition has a significant impact on larvae growth and the properties of the spent substrate, and that spent substrate from larvae rearing requires further stabilization before application as a soil amendment. © 2020 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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“The results from this study have shown that high protein and calcium in food waste composition will cause a good effect in the BSFL frass composition.”
From Potential Applications of Frass Derived from Black Soldier Fly Larvae Treatment of Food Waste: A Review (2022) · cites this paper as [50]
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“The lowest starch composition in food waste, however, has resulted in the highest ammonium and lowest phosphorus content in BSFL frass.”
From Potential Applications of Frass Derived from Black Soldier Fly Larvae Treatment of Food Waste: A Review (2022) · cites this paper as [50]
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“Sugar, however, may be attributed to the amount of potassium in the BSFL frass.”
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Cited by
Sorted by citations
Basri, N. E. A., Azman, N. A., Ahmad, I. K., Suja, F., Jalil, N. A. A., & Amrul, N. F. (2022) · Foods · doi:10.3390/foods11172664 · Cited by 119
Metadata
- Authors
- Palma, L., Fernández‐Bayo, J., Putri, F., & VanderGheynst, J. S.
- Affiliations
- Department of Biological and Agricultural Engineering University of California Davis CA USA
- University of California, Davis (US)
- University of Massachusetts Dartmouth (US)
- Corresponding author
- VanderGheynst, Jean S
- Venue
- Journal of the Science of Food and Agriculture
- Publisher
- Wiley
- Published
- 2020-06-03
- Volume
- 100
- Issue
- 12
- Pages
- 4618-4626
- ISSN
- 0022-5142 (ISSN-L)
- 1097-0010
- PMC
- PMC7496255
- OpenAlex
- W3027172978
- Cited by
- 39
- References
- 0
- Citations by year
- 2026: 7 · 2025: 5 · 2024: 8 · 2023: 4 · 2022: 9 · 2021: 6
- FWCI
- 3.33
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of the Science of Food and Agriculture (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Institutional Repository of the University of Granada (University of Granada) (submittedVersion, cc-by-nc-nd)
- eScholarship (California Digital Library) (submittedVersion)
- eScholarship (California Digital Library) (submittedVersion, cc-by-nc-nd)
- Funders
- Almond Board of California (project 17‐VandergheynstJ‐COC‐01)
- Division of Chemical, Bioengineering, Environmental, and Transport Systems (1438694)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect Utilization and Effects
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Insect Pest Control Strategies
- Life Sciences › Agricultural and Biological Sciences › Insect Science › Forensic Entomology and Diptera Studies
- Keywords
- Hermetia illucens, almond by-products, almond hulls, almond shell, soil amendment, insect feed, amino acid composition, methionine, cystine, phytochemicals, ammonia nitrogen, phosphate, substrate stabilization, alternative animal feed
- MeSH terms
- Prunus dulcis, Animals, Animal Feed, Diptera, Larva, Seeds, Soil, Waste Products
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- Palma, L., Fernández‐Bayo, J., Putri, F., & VanderGheynst, J. S. (2020). Almond by-product composition impacts the rearing of black soldier fly larvae and quality of the spent substrate as a soil amendment. Journal of the Science of Food and Agriculture. https://doi.org/10.1002/jsfa.10522
