Comment: That is the C4L approach and I can tell you it works.

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In reply to comment: Keep voting them all out (see in situ)

That is the C4L approach and I can tell you it works.

If the pig performs correctly, you leave them alone.

If the pig does not perform to spec, you replace them with a new pig.

Simple as that.

When the pigs understand they receive punishment for non-performance, they will perform and not until then.

They are lower order animals and only understand training at that level.