acidsaddressingbeefbeyondbioavailabilitybuildcalfcalvescarbohydratescattlecowcowsdairydcaddetectingdietsdifferentfeedfreefunctionalguthealthheatileitisimmuneimpactimproveimprovingintegritykeyleakylivestockmanagingmanymaximizemilkmineralmineralsnormalnutritionorganicpathogensperformancepigpigspoultryprepartumprobioticsproductionprogramreceivingrefinedrfcrumensolutionssourcestartingstressstressedsustainabilityswinesystemtipstodaytracetransitionusingwelfare