Loose stool?

Hi guys! Writing about my chin chowder. For a few weeks now his cage has been developing a strong odor which I refer to as “petting zoo” odor & im not sure if he’s got a loose stool. His poop is getting on his hut and the fleece as if he’s stepping in it and tracking it. He’s mosaic so his fur stains easily and was never perfect as he was a rescue. But does he have diarrhea? I’ve never experienced this before. My other chin is in the level above him (they’re separated, not friends lol) and...

Loose stool?