Number 8 Bio uses precision fermentation to develop methane-reducing livestock feed.
Number 8 Bio uses synthetic biology and precision fermentation to develop livestock feed intended to reduce agricultural greenhouse gas emissions and methane. Founded in Sydney, Australia, the company was co-founded by Dr. Tom Williams and Dr. Alex Carpenter. In November 2025, it raised AUD 11 million in Series A funding led by Icehouse Ventures, with ONE Innovators and Main Sequence Ventures. The funds will support commercialization and regulatory approvals for expansion into New Zealand and Europe.
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