Nutrient-packed fish feed ingredient in the works

Liza Mayer
August 02, 2018
By
A mush of food waste is fed to BSF larvae. The insects are given a variety of food, under controlled conditions, to see how these affect growth rates and nutritional profiles
A mush of food waste is fed to BSF larvae. The insects are given a variety of food, under controlled conditions, to see how these affect growth rates and nutritional profiles University of Cambridge
A startup is developing fish feed ingredients derived from black soldier fly (BSF) that will not only provide fish with sustenance but also boost their health and overall wellbeing.

Entomics Biosystems Ltd of Cambridgeshire, England says merely drying insects (in this case BSF) and milling them into powder misses many of their potential nutritional, health and wellbeing benefits. A proprietary bioprocessing technique that Entomics developed, which it calls "metamorphosis," boosts the nutritional and functional benefits of such insect-derived feeds.

"There are several benefits to this process," explains Miha Pipan, Chief Scientific Officer and company co-founder, in an article published in the University of Cambridge website. Benefits range "from affecting the gut's microbiome and trying to preserve a healthier bacterial community there, to training immune systems to make livestock more resistant to disease challenges and at the same time reduce the need for veterinary medicines, antibiotics and vaccines.”

“We are currently focusing our efforts on developing functional insect meals for Atlantic salmon (Salmo salar), in particular in our meals' ability to stimulate salmonid immune system strengthening and overall wellbeing,” said the Entomics team, whose members are University of Cambridge graduates.

They are currently working with partners including the University of Stirling to validate and test their products in the field.

Entomics CEO and co-founder Matt McLaren noted how the world is looking for more sustainable sources of feed. “I think increasingly there's a recognition that it's not just about basic nutrition, but it's about overall health," he says.

"We're trying to take a promising, sustainable ingredient of the future – these insect-derived feeds – and trying to add a bit of biotechnology or science focus to it, to really enhance what the effect is in the end application and reduce reliance on traditional antibiotics and veterinary medicines."

There are several efforts currently looking into developing fish feed out of BSF because fish feed derived from fishmeal is deemed unsustainable.

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