>>Can anyone suggest a way to obtain live stocks...
>
>Find a local rural county auction. You'll find horses, cows, sheep, goats, donkeys, chickens, and more... :-)

I recall seeing (ages ago) an advert for a tractor-feed printer (i.e. dot-matrix) with single sheep feed option, and (what I presume to be 100% biodegradable) Lettuce Office Suite.