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this post was submitted on 21 Jun 2023
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Technology
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As someone who works in a dairy manufacturing facility, you really aren't making sense.
You're describing fairly straightforward industrial processes.
There is bacterial growth in every single food manufacturing facility in the world. It's unavoidable.
That's why there is constant, and I mean constant cleaning. Stainless steel or silicon are used for any surfaces that the product touches, there is a TON of QA testing done specifically for allergens and bacteria. All factories are held to regulatory standards, I can't imagine this operation would be any less safe and compliant.
How much does it cost to maintain such a factory compared to how much does it cost to keep livestock for the same amount of produce?
I didn't say it's not possible to culture it, I'm saying it's more expensive and less sustainable. The food industry is huge, current livestock production is already among the largest CO2 producers. So if we want to replace them we should choose an option that is cheaper and produces less waste, not more. Otherwise the costs of food as well as the CO2 levels are gonna skyrocket.
It's hard to compare with current bioreactors because for making it our primary meat source you'd need a scale that hasn't existed ever before in the pharmaceutical industry. The cell density needs to be relatively low, so you need huge tanks for tiny amounts. Also.. meat cultures are particularly sensitive to both bacterial AND viral infections. Meat production is slow and the smallest contamination at the start can very easily make the end result not up to standards.
Quoting from this article.
This is referencing a very in-depth paper by PhD, PE, Chemical Engineer David Humbird.