Female GHogs are still nursing here in Pa.. Most of the young are too young to make it on their own via grazing.
If the den hole is around a residence, the homeowners will most likely see the young come out and walk around the den area if they don't get nursed in 24 - 48 hrs.
The juvenile hogs nurse frequently, and if they are very young, they won't last long without the female if that is the case.2-3 days.
4-5 pups are an average litter size in these parts. Sounds like the pup you saw is still about nursing size.
The juvenile hogs nurse frequently so if they don't feed, they won't last long without the female. .2-3 days is about it.
The male ghog is not allowed in the nursing den during the rearing period.
If trapping a residential area conibears are never used by our company for any reason. If a family unit is determined, we wait until all the juveniles are leaving the den also before trapping.
Then we will set multiple cages to catch them all usually in a few days. This time of year, we sex all animals captured to determine if they are females and lactating.
There are several considerations to be determined and discussed with the property owner as to what their wishes may be.
Sometimes releases are needed to do a more complete job or to be humane regarding other non-target catches.