University of Miami Researchers Tested Sargassum Feed
Researchers are using fly larvae to convert beach-covering seaweed into livestock feed to help mitigate the region's buildup.
Updated on Oct. 11, 2026 in Organic Food
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Would you support using fly larvae to convert local seaweed waste into fertilizer and animal feed?
University of Miami researchers have begun testing whether black soldier fly larvae can effectively convert sargassum seaweed into viable livestock and fish feed. This project aims to address the significant accumulation of seaweed on Florida beaches that costs Miami-Dade County millions annually to clear.
Why it matters
Managing sargassum is a growing priority for the local community, as the seaweed buildup creates significant economic and logistical burdens. Finding a way to repurpose this biomass could offset cleanup costs while creating a sustainable cycle for agricultural feed.
University of Miami researchers are evaluating a system where larvae mature in nine to 14 days by consuming sargassum mixed with food waste. The study aims to demonstrate that this biomass can be processed into safe insect meal, though the project remains in the early developmental phase.
The players
University of Miami
A research institution currently developing biotechnology to convert sargassum seaweed into agricultural products.
Julio Camperio
The lead researcher overseeing the pilot project focused on repurposing seaweed biomass for livestock and fish feed.
Association of American Feed Control Officials
The regulatory body that approved the use of black soldier fly meal for livestock in 2025.
The details
To overcome the high salinity of sargassum, researchers mix the seaweed with fish factory and farm scraps. The black soldier fly larvae consume this organic material, converting it into nutrient-rich biomass that is then dried and ground into a powder. While the resulting insect meal holds promise for animal feed, the process must still resolve concerns regarding the arsenic and heavy metals inherently present in the raw seaweed.
Timeline
• 2009-2011: Prevailing winds shifted, expanding the range of sargassum.
• 2022: University of Miami tested the safety of sargassum compost in Hallandale.
• 2025: The economic toll of sargassum in southeast Florida exceeded $2.5 billion.
• April 2026: Researchers announced findings regarding the Sargassum Belt.
• Next two years: Julio Camperio leads the ongoing pilot research project.
Health Landscape
The study aligns with the broader push toward sustainable, circular agricultural practices that utilize insect-based proteins. This work builds upon the 2025 regulatory approval of black soldier fly meal to create a new, functional use for persistent coastal waste.
While this research focuses on animal feed, the project highlights the importance of monitoring heavy metal concentrations in our local food chain. Residents interested in how coastal environmental health impacts regional food safety should discuss these developments with a nutritionist or food scientist.
The takeaway
The transformation of seaweed into feed could eventually mitigate the millions of dollars spent on beach maintenance while supporting sustainable farming. Keep an eye on future updates as researchers refine the methods for extracting heavy metals from these seaweed-based agricultural products.
What happens next
In the coming year, researchers plan to finalize recipes for the larvae and develop methods to address arsenic content. The following year will see the development of mobile breeding labs and mini fly farms to begin local implementation.
Further reading
Learn more about sustainable cultivation and production methods in our Organic Food section.
Source note: This article includes information reported by WUSF.
Live Poll
Would you support using fly larvae to convert local seaweed waste into fertilizer and animal feed?
