Is That Safe?

Ew. My son just ran in to let me know that the dog and my daughter just did the grossest thing. After hearing about it, I have to agree. They were all exploring the backyard and on the end of a stick was slug. My daughter gave it, clean end first, to my dog just to chew. But the dog went to the other side of the stick and 'sucked' up the slug. Blech!