Page 8 - Think Grain Think Feed - April 2024

www.benisonmedia.com R&D Think Grain Think Feed - Volume 10 | Issue 6 | April 2024 growth. championing intensive showed more consistent and www.benisonmedia.com

Think Grain Think Feed - Volume 10 | Issue 6 | April 2024

less variable growth than the
aquaculture production with
Wastewaters from the food-
innovation and technology.
traditional diet group.
processing industry are free
of pathogens and other
contaminants, make them
fish feed for Asian seabass
at the School of Civil and
suitable for growing Replacing half of the usual NTU Professor Stefan Wuertz
Environmental Engineering
To demonstrate their
microbes. Normally after approach, the team added and SCELSE's Deputy Centre
processing the wastewater is soybean processing Director said, "The findings
discharged and flows into a wastewater from a food suggest that diets including
wastewater reclamation processing company in single cell protein may help
plant. Its nutrients are not Singapore into fish grow more uniformly,
recovered, resulting in a lost bioreactors—a controlled and exploring how this diet
opportunity to maximize environment for biological affects fish on a deeper level
resource use. and chemical reactions—to could be interesting for
Co-lead author of the study, cultivate single cell protein. future research.
Dr. Ezequiel Santillan, senior The laboratory-scale More importantly, our study
research fellow at SCELSE, bioreactors were operated in has successfully
said, "Our study represents a repeated cycles of controlled demonstrated the potential
significant step forward in nutrient and low air supply for converting soybean
sustainable aquaculture (micro-aerobic conditions) processing wastewater into a
practices. By harnessing for over four months at 30°C. valuable resource for
microbial communities from These conditions suggest aquaculture feed,
soybean processing that the team's method can contributing to the transition
wastewater, we have be easily reproduced at to a circular bioeconomy."
demonstrated the feasibility ambient temperatures in Co-principal investigator of
of producing single cell tropical regions like the study, Dr. Diana Chan,
protein as a viable alternative Singapore, further reducing Head, Aquaculture
Aquaculture Innovations: Substituting protein replacement in fish the environmental footprint Innovation Centre at
feed, reducing the reliance
of fishmeal production.
Temasek Polytechnic said,
on fishmeal and contributing After producing their single "The results of our fish
Fishmeal with Microbial Protein from to the sustainability of the cell protein, the research feeding performance trials
aquaculture industry."
are promising for the
team fed two groups of
Soybean Processing Wastewater The joint research team said young Asian seabass over 24 aquaculture industry,
that their waste-to-resource
offering an alternative
days. One group received a
approach tackles food conventional fishmeal diet, protein source to meet the
Scientists from Nanyang published in the journal rely heavily on feed made security and waste reduction, while the other group was increasing need to replace
Technological University, Scientific Reports. from wild-caught fish, known supporting the development fed a diet of half regular fishmeal which has become
Singapore (NTU Singapore) The use of a cultivated as fishmeal, which is not of a circular economy with fishmeal and half single cell very costly and
and Temasek Polytechnic protein is new to aquaculture sustainable and contributes zero waste as outlined in the protein. Both diets provided unsustainable in supply."
have successfully replaced production, say the scientists to overfishing of the seas. United Nations Paris the same amount of For their next steps, the
half of the fishmeal protein from the Singapore Centre Single cell protein, a Agreement. nutritional content for the research team will conduct
in the diets of farmed Asian for Environmental Life sustainable alternative, can The study is also aligned with young fish. trials over longer growth
seabass with a "single cell Sciences Engineering be cultivated from food AIC's focus on enhancing At the end of the experiment, periods with higher fishmeal
protein" cultivated from (SCELSE) leading NTU's processing wastewater. In food security and resilience. the growth of both groups replacement levels.
microbes in soybean efforts in the study, and particular, the wastewater With the aquaculture was evaluated, and Researchers will also expand
processing wastewater, Temasek Polytechnic's from soybean processing industry aiming to meet 30% researchers found that the the study to include
paving the way for more Aquaculture Innovation contains organisms with of Singapore's total fish had grown the same additional aquaculture
sustainable fish farming Centre (AIC). probiotic potential that are nutritional needs by 2030, amount. Interestingly, the species and different types of
practices. The findings are Farmed aquaculture species essential for healthy fish AIC has been actively group of fish on the new diet food processing wastewater.
Source: phys.org
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