The Soya Bean thing is quite a problem.
Up until recently all pig food contained at least 15% genetically modified Soya - yes - even the ORGANIC FARM Pig food.
We used to point this out to customers in the market when they asked if we feed organic pellets to our pigs - cause it didn't make any difference - there was no such thing as Organic Pork if they were fed pelleted food.
When the food scare hit Ireland in December
( The Irish Government went on TV at 9.30 on a Saturday night to announce that all pork and bacon products had to be thrown away from your freezer and fridge).when they found out the pellets contained engine or cooking oil

I stuck my neck out and said that our meat was safe!

(I think if you google tullywood farm the statement still comes up).
I hadn't fed any pelleted pig food for months and could prove that to the officials over the next 3 days by showing feed receipts back to August.
We received
"Bord Bia" (another Irish Government office) status within four days and gave us rolls of stickers to use, then they released our meat that was in the abattoir that was being made into Ham, back on the market.

Our abattoir had to throw out over 22,000 euros worth of pigs and meat, because others on bigger farms could not prove their feed as easily, and it was weeks before their meat got clearance. It was a horrible time for pig farmers, and abattoirs.
If you find a supplier of unmodified soya bean seeds, let me know.
Julie