every day, you put a fence down one side of the place where they are used to coming. when they get used to the fence, they begin to eat the corn again and you put up another side of the fence”. “they get used to that and start to eat again.
you continue until you have all four sides of the fence up with a gate in the last side”. “the pigs, which are used to the free corn, start to come through the gate to eat that free corn again. you then slam the gate on them and catch the whole herd”.
the young man then told the professor that is 