The motto of the European Serum Products Association (ESPA) — “Serum Saves Lives” — reaffirms the essential role that animal serum plays in cell-culture–based research and applications to protect the health of both human and animal populations. Animal serum, especially fetal bovine serum (FBS), needs to be available in abundant supply and at affordable prices to medical and veterinary facilities all over the world. With one billion cattle globally, the supply of FBS should be plentiful, but not all countries…