What agricultural boundary device was pioneered in the 1930s by Bill Gallagher in the Waikato?

Answer and explanation

Correct answer: B. The electric pulse livestock fence

  1. Step 1: Gallagher built an electric pulse device to stop his horse Joe scratching against his car. Step 2. He commercialized the invention into Gallagher Group in Hamilton, pioneering high-power electric fencing systems worldwide. Answer: The electric pulse livestock fence. Why not the others: Electric fencing revolutionized rotational pasture management across global livestock farming.

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