ISSUE FOCUS 48 FEED & ADDITIVE MAGAZINE August 2024 production with significantly enhanced functionality, offering a sustainable alternative to protein-rich feed ingredients such as fish meal. To validate results from their Australian laboratories (Figure 1), MicroBioGen is seeking partners for animal feed trials, with an initial focus on aquafeeds. QUALITY AND TASTE: SUCCESSFULLY SUBSTITUTING FISH MEAL One of the main challenges in finding an alternative protein source for aquafeed is matching - or surpassing - the nutritional quality of fish meal which contains around 65% protein and a balanced Figure 1. MicroBioGen has developed the world’s first natural single cell protein with significant additional functionality that could replace current, less sustainable fish meal in aqua feeds. The company is seeking partners for animal feed trials to validate results from their Australian laboratories. Photo: MicroBioGen Head of Research, Dr Philip Bell, holding up a flask of live yeast. Yeast can be incorporated into animal feed live as a probiotic or as inactive (dead) yeast. MicroBioGen SCP (mg/100g) RDA* (mg) *RDA = Recommended Daily Allowance for an individual with a Body Weight of 65 kg Lysine Leucine Phenylalanine & Tyrosine Threonine Valine Isoleucine Cysteine & Methionine Histidine Tryptophan Figure 2. MicroBioGen SCP is a complete protein with a balanced amino acid profile. This makes it ideal for use in human food and animal feed applications. The Essential Amino Acid Composition of MicroBioGen-developed yeast single cell protein (SCP) closely resembles the Recommended Daily Allowance (RDA) of Essential Amino Acids for humans. Data (adjusted) from: Bell, P.J.L.; Paras, F.E.; Mandarakas, S.; Arcenal, P.; Robinson-Cast, S.; Grobler, A.S.; Attfield, P.V. An Electro–Microbial Process to Uncouple Food Production from Photosynthesis for Application in Space Exploration. Life 2022, 12, 1002. https://doi.org/10.3390/life12071002.
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