I will be weaning off about 12 young birds today into their own section thing is I have a pair of old birds in there that have been sitting just over a week I had no where else to put them,they are both Fed.winners that is why I paired them together so I dont want anything going wrong,as I always vaccinate the young birds when I wean them I,m not sure weather or not to do the old pair as well.They had their annual jab back in November,should I vaccinate them again with the young birds or would they be o.k to leave,as I,m thinking I might have problems with the young birds that hopefully will hatch.