After you'd dealt with spraying those pesky weeds, obviously the rabbit population were next on the farm back in the late 50's. It would appear as difficult to hit anything from the air with a shotgun as it would be to make a commercial success out of the star of this early film clip. Particularly like some of the 'a la mode' moustaches on display!
Click on the photo below after it opens to play the film.
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British Pathe; NEW JET HELICOPTER"