Feeding Empires: Preservation and Trade at Sea

Long ocean voyages, whether for exploration, trade, or colonization, created an acute practical problem largely invisible in accounts that focus on the spices, crops, and commodities being exchanged: how to feed crews for months at sea without modern refrigeration. Ships of the Age of Sail relied on a narrow range of preserved foods chosen for their ability to withstand humid, cramped storage conditions over long voyages, prioritizing dried and salted foods that resisted spoilage and pests over fresh provisions, which spoiled within days and could rarely be resupplied at open sea. This constraint shaped naval and merchant shipping logistics as thoroughly as winds and currents did, requiring provisioning strategies planned meticulously in advance, calculated caloric rationing over the projected length of a voyage, and periodic stops at ports or islands to take on fresh water, produce, and livestock whenever a route allowed it.