Where it even says specifically the reason behind so much subsidization: to feed livestock. To give an idea of how ridiculous your idea of debate is, look at the link you posted for the price of soy meal:
"Brief Description:
Soybean meal is good feed for animals .Our soymeal is produced by expelling whole organic soybeans without additives, chemic ..."
ORGANIC soybeans! You need to have a "time-out" in the corner for that one.
And unless your family's "cattle ranch up north" is part of the factory farming Beef industry that you yourself are referencing, it is highly irrelevant.