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btw, have you ever seen pigs free range using an electric fence ? the perimeter of say an acre or 5 or w/e has a single "hot" fence as the perimeter, but the "trick" is that the outside of the fence is tractor tilled once a wk or so depending on the weather. Even full grown hogs won't cross over to the tilled areas as they receive a shock if they try. I have seen this many times, it really does work. Be a little tuff for you however, seeing how your in the woods and not out on a flat farm ... My point actually was that piglets learn from mom n dad not to go into the 'tilled' areas. pigs are smarter than people want to believe !!!!

"Bam, bam, bam bam, One side Bacon, one side Ham" lol
"Thems not pets, son, thems food" lol