Pigs were weaned at 4 wk of age and housed indoors within mechanically ventilated rooms operated in an “all in, all out” basis, with pigs from each weekly weaning housed in a separate room.
Pigs wereweaned at 4 wk of age and housed indoors withinmechanically ventilated rooms operated in an “all in,all out” basis, with pigs from each weekly weaninghoused in a separate room.