Blecha, FrankPollmann, D.S.Nichols, David A.2010-04-302010-04-302010-04-30http://hdl.handle.net/2097/3780Pigs weaned at 3 weeks of age and regrouped with unfamiliar individuals had a 4-fold increase in plasma cortisol when compared to pigs that remained in a litter group. However, cellular measures of immune function were not altered by regrouping.SwineWeaningImmunityConference paper