Here in the western U.S., the first machine producing round bales of hay (and probably straw) was manufactured by Allis-Chalmers in the early 1950's. It produced small bales that were still handled by men. It wasn't very efficient since each time a bale was produced, the machine had to come to a stop while the baler continued to process the individual bale and tie it with twine. Additionally, in severe winters, bales of hay were often air dropped to cattle that couldn't be gotten in due to the snow depth. Older, rectangular bales burst on striking the ground and could foraged by the cattle. It was found that the round bales would not break open due to their compactness. On a neighbors ranch, he did find that an efficient way to feed livestock in the winter was to unload the round bales on a hill side, cut the twine and unroll them down the hill. Large, round bales have almost completely eliminated the small rectangle bales now, as Q's article relates...