(Chapter 12 case; individual hog farmers owned and controlled debtor, an LLC; hog farmers filed bankruptcy on same day that LLC filed; 9,320 hogs sold by LLC to hog farmers over 10-month period; at time farmers filed bankruptcy, all hogs not yet paid for; at issue was 5,002 hogs that lender claimed were sold to farmers and not subject to statutory ag lien; court agreed on basis that affidavit supported sale along with invoices; lack of sufficient documentation of sale along with close relationship of parties not sufficient to negate purported sale).