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Out of the Cradle

Pigs, sheep, goats, and cattle constituted the package of domesticated animals that spread throughout the Near East, and later to Central and South Asia, Europe, and Africa. But domestic pig husbandry spread more slowly, often appearing centuries or even millennia after the domestication of ruminants. Environmental and cultural factors were likely responsible for this slow spread. During the Late Neolithic, people innovated agriculture and livestock-keeping strategies. These included intensive forms of pig husbandry, perhaps in order to supply pork for feasts. In addition, by the Chalcolithic period, people intensified ruminant management in order to maximize the exploitation of secondary products. This led to the “secondary products revolution.” As a result, while the other barnyard animals became increasingly tied to wealth in the Chalcolithic and Bronze Age—cattle for their ability to provide traction power, sheep and goats for their wool/hair—pigs were excluded from this development.