Apparently it was in the hog feed, and came from the same chinese source that the tainted pet food came from.
Okay, pork's off the menu for a while.
Listen up China; I only have so much patience. You can be communists, that's fine. Hell, you can even ignore our fork and spoon technologies in favor of the chop sticks. But now you're screwing with something near and dear to my heart; Bacon.