Fetal bovine serum and virus, endotoxin, haemoglobin, IgG and total protein assays. Ethical questions have been raised regarding the blood collection process due to the potential suffering caused to the fetus. Although anoxia or active slaughter could be used to induce unconsciousness or death prior to serum harvesting, exposure of live unborn calves to oxygen can cause them to gain awareness before being killed, resulting in active debate about the ethics of harvesting serum. Fetal bovine serum is commercially available from many manufacturers, and because cells grown in vitro are highly sensitive, customers usually test specific batches to check for suitability for their
Blood, Sweat & Tools strong job they did. The winner of the public vote is then announced as the Red Team, who take home the $50,000 grand prize. Blood, Sweat & Tools Blood, Sweat & Tools is a Canadian television series broadcast on Discovery Channel. The series is hosted by Helder Brum, Rob Koci and Hillary Manion, who also act as the challenge judges and expert advisers to the contestants. The series is the successor of "Canada's Worst Handyman", and has a broadly similar format, but with an emphasis on rewarding competent handiwork rather than finding the nation's worst handyman. The couples are divided