Do you have any of these pesky hard to kill vines in your area? trumpet creeper. Mine are wisteria, autumn clematis, ivy --so far even sheet mulching for 2 seasons has not killed the ivy infestation, and the wisteria will tunnel under the sheet mulch and come up at the first opportunity--very persistent. I learned early on Round Up will not work on them, and now I am determined not to have it on my property--I don't want my dogs exposed to it. Maybe season 3 will kill the vines.
And I have a thing about pigs, having been chased when I was little by a giant pig named "Elmer".