FBS is the growing medium. The cell lines (the stuff that becomes meat) is reproduced, so very few cells need to be taken from animals. For growing chicken meat for example, the cells can be taken from their eggs, a live donor (well, chickens can't consent so I guess not a donor), or a corpse. Also, it turns out there are techniques that use alternative media, so idk give it a decade.
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FBS is the growing medium. The cell lines (the stuff that becomes meat) is reproduced, so very few cells need to be taken from animals. For growing chicken meat for example, the cells can be taken from their eggs, a live donor (well, chickens can't consent so I guess not a donor), or a corpse. Also, it turns out there are techniques that use alternative media, so idk give it a decade.