I periodically check out the results when he does a dump.
He chews a lot of twigs and branches, it worries me.
But they seem to pass, just little bits of wood, in a cluster within his turds.
Dumb dog eats everything he can get his mouth around and teeth into.
On blue rubber toy, hollow, about 8" in diameter, gradually dissapeared.
Found a bunch of those blue rubber bits in his dog shit, when I raked the stuff aside.
Danged dog, eats like a horse then grazes the yard like a cow or goat.