A cost effective alternative to Fetal Bovine Serum (FBS). Allkali Scientific CellPro™ US Newborn Bovine Calf Serum (BCS) is defined, irradiated, heat inactivated serum of US origin that is filtered through three sequential 0.1μm pore size-rated filters. U.S. origin is collected by venipuncture from formula-fed veal calves, which produce exceptionally high levels of transferrin. Age of animal at time of collection approximately 16-24 weeks. Before dispensing, each lot of serum is pooled using true pool technology to ensure uniformity and consistency between bottles. Storage: -20℃. Virus screened, mycoplasma tested. Virus panel testing according to 9 CFR 113.53. Low in antibodies and high in growth factors.