Vaccine production process

A process for producing a veterinary vaccine comprising maintaining a viable culture of baby hamster kidney cells in a glutamine-free, serum-free, heat-stable medium, formulated to meet the nutritional requirements of baby hamster kidney cells and containing only chemically definable ingredients such as amino acids, salts, vitamins and carbon sources, inoculating said culture with a foot-and-mouth disease virus, cultivating said virus in the cell culture, and recovering a harvest of virus therefrom.

A process for producing a foot-and-mouth disease vaccine comprising maintaining a viable culture of baby hamster kidney cells in a glutamine-free, serum-free, heat-stable medium, inoculating said culture with a foot-and-mouth disease virus, cultivating said virus in the cell culture, and recovering the harvest of virus therefrom, the aforesaid heat-stable medium comprising the following components in substantially the amounts specified per liter of medium:

• 400 mg L-Alanine, 100 mg L-Arginine, HCl, 300 mg L-Asparagine, 75 mg L-Cysteine, HCl, 150 mg L-Glutamic Acid, 60 mg L-Histidine, HCl, 150 mg L-Isoleucine, 300 mg L-Leucine, 300 mg L-Lysine, 60 mg L-Methionine, 120 mg L-Phenylalanine, 300 mg L-Proline, 300 mg L-Serine, 135 mg L-Theronine, 60 mg L-Tryptophan, 120 mg L-Tyrosine, 150 mg L-Valine, 3000 mg Glucose, 110 mg Sodium pyruvate, 7400 mg NaCl, 400 mg KCl, 265 mg Cacl.sub.2.sup.. 2H.sub.2 O, 3 mg Ferric ammonium citrate, 275 mg MgCl.sub.2.sup.. 6H.sub. 2 O, 300 mg NaH.sub.2 PO.sub.4.sup.. H.sub.2 O, 0.3 mg ZnSO.sub.4.sup.. 7H.sub.2 O, 10 mg Phenol red, 500 mg Methylcellulose, 15 cps, 1000 mg NaHCO.sub.3, 1 mg D-Biotin, 50 mg Choline.sup.. Cl, 1 mg Folic acid, 1 mg Niacinamide, 2 mg Calcium pantothenate, 1 mg Pyridoxal.sup.. HCl, 1 mg Thiamine.sup.. HCl, 1 mg i-Inositol, 0.1 mg Riboflavin, 0.002 mg B.sub.12.