To avoid the possibility of introducing infectious bovine viruses into alpacas you should only use vaccines containing inactivated virus and avoid vaccines containing modified-live/attenuated virus.
(vaccines; containing; modified-live/attenuated virus) (you; should only use; vaccines containing inactivated virus) (you; avoid; vaccines containing modified-live/attenuated virus)
vaccines you you
containing should only use avoid
modified-live/attenuated virus
vaccines containing inactivated virus
vaccines containing modified-live/attenuated virus