My tribe has a larger 'wandering room' upstairs where we have multiple dung beetles and snails. They tend to naturally group up in the middle of the room so they're easy to manage. Just watch out, they can escape through an open door or glitch through the ceiling to the level below. You also can't pick them up when you have a shoulder pet on.
Get yourselves a Phiomia as well! Feed it stimberries and you'll have plenty of medium feces to throw in the dung beetle. Fill it up, and come back and watch more fertilizer than you can imagine. I'll never use compost bins again!