When large round hay bales came along, those of us who had cut our agricultural teeth on stacking small square bales thought we’d never need to put hay bales in a stifling hot barn again.

30 October 2020, Lower Saxony, Ronnenberg: Bales of straw, decorated with faces, lie at the edge of a field. Photo: Moritz Frankenberg/dpa (Photo by Moritz Frankenberg/picture alliance via Getty ...

As snow falls and winter descends, a lot of agricultural work is slowing down. But for farmers with livestock, they’ve got to make sure their animals have enough to eat through the long cold months.