Siverson, A.V.Corrigan, M.E.Higgins, James J.Blasi, Dale A.Oleen, Brandon E.2012-04-032012-04-032012-04-03http://hdl.handle.net/2097/13559Lightweight stocker calves experience variable degrees of physiological stress resulting from weaning, transport, food and water deprivation, diet changes, inclement weather, and infectious diseases. Consequently, preconditioning and specialized nutrition that include direct-fed microbials may become more common in the beef industry as a means of controlling disease and minimizing the effects of stress.BeefProTernative stress formulaGrowth performanceHealth performanceMicrobialsConference paper