Why Foetal Calf Serum is preferred over Foetal Bovine Serum in in-vitro cultivation of HEK 293 cell lines?

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Microbiology /biotechnology professional

They are the same, practically speaking. FCS is older terminology and now it is well known as FBS. Hope this helps.
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Science Expert

Fetal Bovine Serum (FBS) is also referred as Foetal Calf Serum (FCS), is the growth supplement for cell culture system..
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Tutor Biology

Probably you are confused.
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Microbiology expert

Both serum will supply nutients to growth of cells.
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Civil Services Guru

Now answer it, as I have made certain amendments.
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Microbiologist with experience in Vaccines

Fetal bovine serum (FBS) / Fetal calf serum (FCS) is obtained from the blood of fetuses of healthy, pre-­partum bovine dams that have been deemed fit for human consumption through ante and/or post-­mortem veterinary inspection. It is collected in abattoirs inspected by the competent authority in the...
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Fetal bovine serum (FBS) / Fetal calf serum (FCS) is obtained from the blood of fetuses of healthy, pre-­partum bovine dams that have been deemed fit for human consumption through ante and/or post-­mortem veterinary inspection. It is collected in abattoirs inspected by the competent authority in the country of origin. Fetal blood is collected aseptically using cardiac puncture, thereby reducing the risk of microbial contamination and resultant endotoxins. Collection occurs in an area of the abattoir specifically set aside for this purpose to minimize the risk of contamination by other fluids. read less
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Am an excellent multilingual tutor specialised in Kannada

Foetal calf serum is derived from 3-10 day old calf. The calf can be of cow,buffalo. But bovine is a generic name and includes cow, buffalo, ox. Foetal calf serum does not have many growth factors which could support human cell lines. Whereas bovine have more growth factors,less serum toxicity also it...
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Foetal calf serum is derived from 3-10 day old calf. The calf can be of cow,buffalo. But bovine is a generic name and includes cow, buffalo, ox. Foetal calf serum does not have many growth factors which could support human cell lines. Whereas bovine have more growth factors,less serum toxicity also it is broader in usage. Mainly calf serum is preferred because it is cheaper and works for many cell types. FCS is used for large fermentation processes. For HEK 293 cell line FBS is the best suited. read less
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Pharmacologist

Bovine n calf are same....fcs in old terminology of fbs.
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