Dogs are weird

Poor dog. I can't even get over the cattle gates

Its actually really dangerous for a dog (or any animal that doesn't have long feet like a human). Thats why cattle won't even try to go over them, they know it wouldn't be too hard for a foot to slip in and break their leg. Especially with 4 legs since they can't really see their back legs as they walk (which is why this dog is just dragging his back legs, its actually fairly smart)