Here is one of Opal's sons heading into Laura's room.
We had brought the five boys indoors to castrate them so Opal wouldn't hear and also so Opal wouldn't (hopefully) be able to break through the walls and get us.
Last time, when we castrated her first litter, we had some reservations about the sturdiness of the horse trailer versus Opal's determination to rescue her little boys.
Fortunately for me, a good friend who's experienced in these matters came to do the deed. The little piggies are all doing fine after their operations.