Do NOT use treated seed to make sprouts or fodder to feed out to any animals. It is treated most likely with a fungicide. Not meant to be ingested by any animal or human.
No, that will not work b/c of the oil, and b/c of the cracked corn. Those items would make the grains prone to spoilage before they sprout. You may have to buy it on line if you can't find it locally. You could even buy something like this:
http://raganandmassey.com/brand/plotspike/
there...