Overcoming the fetal bovine serum barrier in cell-based meat production

Until now, lab-grown meat startups have faced a key barrier that's something of deal-breaker for the industry: the food for the cells comes from slaughtered cows. Called fetal bovine serum, or simply "serum," the liquid remains the standard means of coaxing animal cells to proliferate.

The founders of a new Dutch startup called Meatable think they've found a way around the serum problem.

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