Bad food makes smelly poop; also wet cat food. When my ferret was a baby, the woman at the pet store said to give him 8 in 1 Ultimate and high quality canned kitten food. When I stopped the kitten food, there was a lot less poop and it smelled less. Also I heard of a friend of a friend who was always complaining about their ferret smelling bad, poop and body, and I saw that they were feeding him really crappy food. Now I feed Rocky Totally Ferret and his poop doesn't smell at all, nor does he smell, except for sometimes a bit like flowers--a nice smell! Sharon [Posted in FML issue 3816]