I'm seeing an increase in discussion of precision fermentation as a disruptive alternative to current methods. I'm not 100% sure how the feedstock (or human health) issues will be resolved, but the premise looks interesting?
https://www.sciencedirect.com/science/article/abs/pii/S22147...
https://www.nature.com/articles/s41467-023-37891-1
https://www.embopress.org/doi/full/10.15252/embr.202152680
Tony Seba of RethinkX also talks about it as part of his disruptive technology scenarios. https://www.youtube.com/watch?v=r71yNnfY6ss