But I'm thinking of revising my standard answer. Not because I'm considering trying my hand at raising any of the common critter crops we have around here: cattle/donkeys/Alpaca/chickens/guinea fowl and turkeys but because we have two dogs who are confused about whether they are canines or bovines.
Colby, on the left, aka White Lightning; Stewart, aka, arribarriba! on the right
I mean, really, why use the Milk Bone money on legitimate doggie treats? I should just go buy them a box of school supplies and let them have at it. I bet they'd love erasers - the kind for pencils and the ones for chalkboards.
Our dearly departed German shepherd, Jena, did not do this. We found paper and plastic bags, roofing tiles, sheet metal, even a restaurant doormat in our yard following the May, 2012 tornado that devastated Joplin, and Jena didn't give the debris much more than a casual sniff. Colby and Stewart would have been head over tail ecstatic about suddenly having a cafeteria in their otherwise staid back yard.