Cellsinculturerequireasourceofnutrition,typicallyprovidedbycellculturemedia.Themajorityofthesemediarequiretheadditionofanimalserumforcellstoobtainthepropernutrientstogrowadequately.Serumisanimportantsourceofproteins,lipids,vitamins,aminoacids,salts,minerals,attachmentfactors,growthfactors,hormones,andothercomponentsessentialforcellgrowth.
DonorBovineSerumiscollectedfromhealthy,liveanimalsgreater12monthsofageorolder. Thedonorcattlearecarefullyselectedandmaintainedinclosedherdsensuringcompletecontroloftheircare,dietandhealth.Beforeacceptanceintothesegregatedherd,all cattlemusttestSERO-negativetoInfectiousBovineRhinotracheitis(IBR)andBovineViralDiarrhea(BVD).Theanimals areusedexclusivelyfortheproductionofdonorbovineproductssuchasbovineserumandarenotmedicatedorfedsub-therapeuticlevelsofantibiotics.