Can snails make dogs sick? Dosia has this new obsession with hunting snails when I water the garden. He'll seek them out then he'll chew off their shells. He doesn't eat them but he chews on them till they look like a pile of snot and his mouth gets all foamy like he's got rabies. I'm not really sure why he hates them so much but he makes it a point to chew up every one he sees.