NEWS Industrial waste and side streams can be transformed into more sustainable, premium aquafeed, says Australian expert

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By: Aqua Farma 2024

MicroBioGen, an Australian industrial biotechnology company and provider of “Yeast Innovation as a Service”, will be presenting on opportunities for producing sustainable, alternative aquafeed using yeast technology, at this week’s international aquaculture conference, Aqua Farm 2024.

MicroBioGen CEO Geoff Bell discussed how the company’s innovative yeast platform technology, based on improving the industrial capabilities of the yeast Saccharomyces cerevisiae, can be leveraged to transform industrial waste and side streams into valuable single cell protein (SCP), optimized as a fishmeal replacement. Geoff presented on day one of the event in the Innovative Alternative Proteins session and join the subsequent panel discussion.

After its inaugural success last year, Aqua Farm brings together aquaculture industry professionals, leading academics, scientists, farmers and policy makers from around the world for a three-day conference in Australia. It provides a platform to discuss concerns facing aquaculture, facilitate collaboration, and confer the latest findings, trends and technologies across the industry. This year’s event was held on 15-17 May in Surfers Paradise, Queensland.

As the global demand for protein continues to rise, so does the demand for fish. With wild fish stocks declining, aquaculture is expanding to fill the gap. Current aquafeeds rely heavily on fishmeal as the main protein component. However, fishmeal as an ingredient for aquafeed is unsustainable, and there is a need for more environmentally friendly protein substitutes that have comparable nutritional value.

“MicroBioGen’s innovative non-GM yeast technology offers a groundbreaking solution in transforming large-scale industrial waste and side streams into sustainable, high-quality protein. This technology harnesses waste products such as glycerol, organic acids, and residual sugars from ethanol and biodiesel production, as well as lactose from dairy processing, to produce bioavailable protein for fish and animal feeds, thereby promoting environmental sustainability and economic efficiency in aquaculture.”

In developing a protein rich SCP alternative to fishmeal that can be produced from abundant waste products, MicroBioGen’s breakthrough provides a cost-effective, scalable solution to fortify aquafeeds with sustainably sourced, high-quality protein. Additional benefits include a balanced amino acid profile and higher levels of natural, beneficial enzymes that aid in the absorption of nutrients.

Geoff Bell, CEO and co-founder at MicroBioGen, says: “For nearly two decades, MicroBioGen has developed yeast technology for industrial purposes aimed at improving our partners and their customers’ process efficiency, economics and sustainability. Here, we enable the transformation of what was once low- and negative-value waste into a high-quality protein that can serve as a fishmeal replacement. In short, we help global industries make more with less, in a more efficient and sustainable way. We are excited to be developing opportunities for alternative fish feed and leveraging the same industry-leading ‘Yeast Innovation as a Service’ that we deliver to our global partners in various industries. Our technology has already been deployed in other industries such as biofuels. We look forward to working with new partners to create a cost-effective, high-margin protein ingredient for aquafeed that can be produced at scale.”

About MicroBioGen

MicroBioGen is an Australian based biotechnology company with global success in improving the industrial capabilities of Saccharomyces cerevisiae. This yeast is the world’s most widely used microorganism, underpinning around US$2 trillion in products, from biofuels and pharmaceuticals to mycoproteins for food and feed.

With a proprietary platform technology and library of elite yeast genetics, developed over 20 years, MicroBioGen delivers “Yeast Innovation as a Service” to industry leaders globally.

Demonstrated through MicroBioGen’s biofuels partnership with Novonesis and co-developing the Innova® yeast series which delivers unparalleled industrial performance, MicroBioGen is the collaborator of choice for yeast biotechnology, with opportunities in existing and emerging industries, ranging from optimizing yeast for baking, sustainable feed and energy to food applications. For more information, visit

For more information, images or interview, please contact: Macrina Lim, FTI Consulting | | +61 430 547 751​

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