Actually, Monday this happened to me. I was FREAKING OUT. My great dane and goat went off together. We have tons of cornfields around here that go for miles and miles.
We thought nothing of it at first, thinking that they would be back by dark. Because the Dane likes to sleep in the woods and he's really hard to wake up. Well, night came and we started checking with neighbors (the one we didn't check with til the next day, of course) said that yes, he saw the dog and the goat around dusk at his pond.
He allowed us to go into his fields to look for them. So, mom and I went out all day yelling for these 2 and still nothing. My husband did too after he got home from work. Still no dogs. We got calls from 2 neighbors saying that their garbage was all over the place

.. I figured my dog would be hungry... I felt really bad.
I was starting to get really worried. Because brutus is such a huge dog, I didn't want people to be afraid of him. Plus they are scared to death of the road, so I knew at least what path they were on. We went out looking all night.
SO YESTERDAY actually...Day two, I wake up let our lab out ...still no brutus or goat.. catch a glance out of the corner of my eye.. and there were my pets!! They both came home on their own!! I was tickled pink!! I have never been so worried and so happy in all of my life to see them!!
Our dog has a roaming problem now since we got the goat...