They don't. Pigs are actually very clean animals, and they are very fastidious with their hygiene- honest! Piggie poop on the other hand... (well, hopefully not on your hands) just like ALL faeces, smells like sh... uhm, yeah, smells bad. read more
Pigs don't smell bad. They are often kept confined to small pens, where, inevitably, waste begins to build up. But give them enough space, and they are quite clean animals that don't smell at all. read more