Fetal bovine serum the harvesting of blood from the bovine fetus after the fetus is removed from the slaughtered cow. The blood is collected aseptically into a sterile container or blood bag and then allowed to clot. The normal method of collection is cardiac puncture, wherein a needle is inserted into the heart. This minimizes "the danger of serum contamination with micro-organisms from the fetus itself, and the environment". It is then centrifuged to remove the fibrin clot and the remaining blood cells from the clear yellow (straw) colored serum. The serum is frozen prior to further processing that is necessary to make
Blood, Sweat & 3 Years Blood, Sweat & 3 Years Blood, Sweat & 3 Years is the fourth studio album by American electronic music group Cash Cash, released on June 24, 2016 by Big Beat Records and Atlantic Records. It is their first full-length album since signing to Big Beat, following the release of the "Overtime" and "Lightning" EPs. "Blood, Sweat & 3 Years" includes collaborations with singers Anjulie, Bebe Rexha, Chrish, Christina Perri, Dev, Jacquie Lee, Jenna Andrews, John Rzeznik from the Goo Goo Dolls, Julia Michaels, Michael Fitzpatrick of Fitz and The Tantrums, Neon Hitch, and Sofia Reyes; rappers B.o.B, Busta Rhymes, Nelly,