Hi Gr8mums
Definitely too risky to take the old one away during the night. It’s just possible there could be a nursing mother in there, and even if not, the hog may object and just leave. But if a nursing mother is disturbed when she has very young ones, it is likely she will desert them or worse.
You could try putting the other box nearby and hope the hog moves in, but there is no guarantee with hogs. Try putting a small amount of bedding inside to give them the idea and a fresh supply outside.
Good luck.
