> it's not their meat that matters but rather the quality of the stem cells they produce. Note that we are talking about the growth medium here, which is used

> it's not their meat that matters but rather the quality of the stem cells they produce. Note that we are talking about the growth medium here, which is used to grow the stem cells into the final product. So it should be the quality—or much rather the quantity—of the extracted serum from the animal (specifically the animal’s fetus or womb).