Taking Juveniles to Shows

I am always excited to take new alpacas to spring shows. However, I personally continue to question the wisdom of taking youngsters under a year old. They always seem to come back with something I have to treat. It makes for a long road after the show. It sure is hard to wait until they are in the yearling class but in terms of developed immune systems, I think they have a better chance of return from the experience without incidence.